Epson_WF-7620_WF-7610_WF-7110

SERVICE MANUAL

Color Inkjet Printer

Epson WF-7620 Series Epson WF-7610 Series Epson WF-7110 Series

CONFIDENTIAL SEMF13-003

Notice: 

  

All rights reserved. No part of this manual may be reproduced, stored in a retrie val system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise , without the prior written permission of SEIKO EPSON CORPORATION. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them. The contents of this manual are subject to change without notice. The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof.

EPSON is a registered trademark of SEIKO EPSON CORPORATION. Note :Other product names used herein herein are for identification identification purpose only and may be trademarks or registered registered trademarks of their respective owners. EPSON disclaims any and all rights in those marks.

Copyright © 2014

SEIKO EPSON CORPORATION CORPORATION Printer CS Quality Assurance Department

Confidential

Notice: 

  

All rights reserved. No part of this manual may be reproduced, stored in a retrie val system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise , without the prior written permission of SEIKO EPSON CORPORATION. All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would greatly appreciate being informed of them. The contents of this manual are subject to change without notice. The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof.

EPSON is a registered trademark of SEIKO EPSON CORPORATION. Note :Other product names used herein herein are for identification identification purpose only and may be trademarks or registered registered trademarks of their respective owners. EPSON disclaims any and all rights in those marks.

Copyright © 2014

SEIKO EPSON CORPORATION CORPORATION Printer CS Quality Assurance Department

Confidential

Safety Precautions All safety procedures described here shall be strictly adhered to by all parties servicing and maintaining this product.

DANGER Strictly observe the following cautions. Failure to comply could result in serious bodily injury or loss of life. 1. Always disconn disconnect ect the product product from the the power source source and peripher peripheral al devices devices when servicing servicing the product product or performing maintenance. 2. When performi performing ng works describe describedd in this manual, manual, do not connect connect to a power source source until instructed instructed to do so. so. Connecting to a power source causes high voltage in i n the power supply unit and some electronic components even if the product power switch is off. If you need to perform the work with the power cable connected to a power source, use extreme caution to avoid electrical shock.

WARNING Strictly observe the following cautions. Failure to comply may lead to personal injury or loss of life. 1. Always wear wear protective protective goggles goggles for disassemb disassembly ly and reassembly reassembly to protect protect your your eyes from from ink in working. working. If any ink gets in your eyes, wash your eyes with clean water and consult a doctor immediately. 2. When using using compressed compressed air products; products; such such as air duster, duster, for cleaning cleaning during during repair and mainten maintenance, ance, the use of such products containing flammable gas is prohibited.

PRECAUTIONS Strictly observe the following cautions. Failure to comply may lead to personal injury or damage of the product. 1. Repairs Repairs on Epson produc productt should should be performed performed only only by an Epson Epson certified certified repair repair technician technician.. 2. No work should should be performed performed on this produc productt by persons unfamili unfamiliar ar with basic safety safety knowledge knowledge require requiredd for electrician. 3. The power power rating of of this product product is indicated indicated on the serial serial number/r number/rating ating plate. plate. Never Never connect connect this product product to the power source whose voltages is different from the rated voltage. 4. Replace Replace malfunction malfunctioning ing component componentss only with those those components components provided provided or approved approved by Epson; Epson; introduction of second-source ICs or other non-approved components components may damage the t he product and void any applicable Epson warranty. 5. The capacitors capacitors on the the Main Board may be be electrically electrically charged charged right right after the power power turns turns off or after driving driving motors which generates counter electromotive force such as when rotating the PF Roller or when moving the CR Unit. There is a risk to damage the Main Board if the Head FFC is short-circuited with the capacitors on the Main Board electrically charged, therefore, after the power turns off or after motors are driven, leave the printer untouched for approximately 30 seconds to discharge discharge the capacitors before starting disassembly/ disassembly/ reassembly. 6. To prevent prevent the circuit circuit boards from from short-circu short-circuiting, iting, be careful careful about about the following following when handlin handlingg FFC or cables.  

When handling FFC, take care not to let the terminal section of FFC touch metal parts. When connecting cables/FFC to the connectors on circuit boards, connect them straight to the connectors to avoid slant insertion. Confidential

7. In order to protect protect sensitive sensitive microprocess microprocessors ors and circuitry, circuitry, use static static discharge discharge equipment, equipment, such as anti-static anti-static wrist straps, when accessing internal components. 8. Do not tilt this product product immediately immediately after after initial initial ink charge, charge, especially especially after performi performing ng the ink charge charge several times. Doing so may cause ink to leak from the product because it may take some time for the waste ink pads to completely absorb ink wasted due to the ink charge. 9. Never touch touch the ink or or wasted ink ink with bare hands. hands. If ink comes comes into contact contact with your your skin, skin, wash it off with with soap and water immediately. If you have a skin irritation, consult a doctor immediately. 10. When disassembling or assembling this product, make sure sure to wear gloves to avoid injuries from metal parts with sharp edges. 11. Use only recommended recommended tools for disassembling, assembling or adjusting adjusting the printer. 12. Observe Observe the specified torque torque when tightening tightening screws. 13. Be extremely careful not to scratch or contaminate the following parts.         

Nozzle plate of the printhead CR Scale PF Scale Coated surface of the PF Roller Gears Rollers LCD Scanner Sensor Exterior parts

14. Never use oil or grease other than those specified in this manual. Use of different different types of oil or grease may damage the component or give bad influence on the printer function. 15. Apply the specified amount of grease described in this manual. 16. Make the specified adjustments when you disassemble the printer. printer. 17. When cleaning this product, product, follow the procedure described in this manual. 18. When transporting this product after after filling the ink in the printhead, printhead, pack the printer without removing removing the ink cartridges in order to prevent the t he printhead from drying out. 19. Make sure to install install antivirus software in the the computers used for the service support support activities. 20. Keep the virus virus pattern file file of antivirus antivirus software up-to-date. up-to-date. 21. When disassembling/reassembling this product, product, if you find adhesive power power of the double-sided double-sided tape which secure the parts or FFC is not enough, replace the tape with new one and attach it correctly to the specified points where the parts or FFC should be secured. 22. Unless otherwise specified in this manual, the labels labels attached on the returned product should be transferred transferred to the corresponding attachment positions on the new one referring to the labels on the returned product.

Confidential

About This Manual This manual, consists of the following chapters, is intended for repair service personnel and includes information necessary for properly performing maintenance and servicing the product.

CHAPTER 1. TROUBLESHOOTING Describes the step-by-step procedures for the troubleshooting.

CHAPTER 2. DISASSEMBLY / REASSEMBLY Describes the disassembly/reassembly procedures for main parts/units of the product, and provides the standard operation time for servicing the product.

CHAPTER 3. ADJUSTMENT Describes the required adjustments for servicing the product.

CHAPTER 4. MAINTENANCE Describes maintenance items and procedures for servicing the product.

CHAPTER 5. APPENDIX Provides the following additional information for reference: • •

Connector Diagram Protection for Transportation

Symbols Used in this Manual Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action. Pay attention to all symbols when they are used, and always read explanation thoroughly and follow the instructions. Indicates an operating or maintenance procedure, practice or condition that, if not strictly observed, could result in serious injury or loss of life. Indicates an operating or maintenance procedure, practice, or condition that, if not strictly observed, could result in bodily injury, damage or malfunction of equipment. May indicate an operating or maintenance procedure, practice or condition that is necessary to accomplish a task efficiently. It may also provide additional information that is related to a specific subject, or comment on the results achieved through a previous action.

For Chapter 2 “Disassembly/Reassembly”, symbols other than indicated above are used to show additional information for disassembly/reassembly. For the details on those symbols, see "2.2 Disassembly/Reassembly Procedures (p28)".

Confidential

Revision Status Revision

Date of Issue

Description

A

July 26, 2013

First Release

B

April 21, 2014

Revise the contents  Chapter 1  Made change the description in "1.3 Fatal Error Code List (p15)"  "1.4 Status sheet (p20)" has been added.  Chapter 3  Made change the description in "3.2.2.2 Preparation (p65)"

Confidential

Epson WF-7620 / WF-7610 / WF-7110 Series

Revision B

Contents Chapter 1 Troubleshooting 1.1 Troubleshooting....................................................................................................................................................... 10 1.1.1 Troubleshooting Workflow ............................................................................................................................ 10 1.2 Power-On Sequence ................................................................................................................................................ 13 1.3 Fatal Error Code List............................................................................................................................................... 15 1.4 Status sheet .............................................................................................................................................................. 20 1.4.1 Start method of Inspection Mode ................................................................................................................... 20 1.4.2 Description of Status sheet (Non-disclosed information to user)................................................................... 21

Chapter 2 Disassembly/Reassembly 2.1 Overview ................................................................................................................................................................. 24 2.1.1 Tools ............................................................................................................................................................... 24 2.1.2 Jigs .................................................................................................................................................................. 24 2.1.3 Standard Operation Time for servicing the product ....................................................................................... 25 2.2 Disassembly/Reassembly Procedures ..................................................................................................................... 28 2.2.1 Functional differences between models and component parts ....................................................................... 28 2.2.2 Functional differences between models and component parts ....................................................................... 30 2.2.3 Disassembly Flowchart................................................................................................................................... 31 2.2.3.1 Housing Part (WF-7620/WF-7610 Series) ............................................................................................ 32 2.2.3.2 Housing Part (WF-7110 Series)............................................................................................................. 33 2.2.3.3 Printer Mechanism Part ......................................................................................................................... 34 2.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit........................................................................... 38 2.4 Routing FFCs/cables ............................................................................................................................................... 47

Chapter 3 Adjustment 3.1 Required Adjustments ............................................................................................................................................. 53 3.2 Details of Adjustments ............................................................................................................................................ 61 3.2.1 PF/CR Timing Belt Tension Measurement .................................................................................................... 61 3.2.1.1 PF Timing Belt Tension Measurement .................................................................................................. 62 3.2.1.2 CR Timing Belt Tension Check............................................................................................................. 63 3.2.2 PG Adjustment ............................................................................................................................................... 64 3.2.2.1 PG Adjustment procedure...................................................................................................................... 64 3.2.2.2 Preparation ............................................................................................................................................. 65 3.2.2.3 PG adjustment procedure....................................................................................................................... 68 3.2.2.4 Checking the Platen Gap........................................................................................................................ 70 3.2.3 Touch Panel Adjustment (WF-7620/7610 Series only) ................................................................................. 71

Chapter 4 Maintenance 4.1 Cleaning................................................................................................................................................................... 76 4.1.1 Cleaning the CR Unit ..................................................................................................................................... 76 4.1.2 Cleaning the Exterior Parts/inside of the printer ............................................................................................ 77 4.2 Lubrication .............................................................................................................................................................. 78 4.3 Lubrication Points and Instructions......................................................................................................................... 79 4.4 Firmware Update ..................................................................................................................................................... 82

Chapter 5 Appendix 5.1 Connector Diagram ................................................................................................................................................. 85

7 Confidential

5.2 Protection for Transportation 86 5.2.1 Securing the CR Unit 86

CHAPTER 1

TROUBLESHOOTING

Confidential

Revision B


1.1 Troubleshooting This section describes the troubleshooting workflow.

1.1.1 Troubleshooting Workflow The following page describes the troubleshooting workflow. Follow the flow when troubleshooting problems. 

This flowchart is compiled based on the following contents. • Our experience regarding the quality problem • ESK’s repair data • Printer Mechanism specification for WF-7620/WF-7610/WF-7110 Series



WF-7110 Series does not have the Scanner/ADF unit, so the troubleshooting for the Scanner/ADF unit is not applicable to this series.



If the reason for the return is evident, first check the phenomenon user claims recurs, then proceed to the troubleshooting.

Start What is returned reason? Turn on the printer

Printer failure only

ADF/Scanner unit failure Copy an image

Does printer turn on the power?

No

1 (p 11)

Yes

Is scanning operation finished without trouble?

No

5 (p 12)

Is Power-on sequence finished without error?

No

Yes

2 (p 11)

Yes

ADF failure?

No

Standby condition Yes Print check pattern

Is printing operation finished without error?

Copy an image by ADF

No

3

Is ADF operation finished without trouble?

(p 11)

Yes

Yes

Is printing operation finished without trouble? Yes

No

No

6 (p 12)

Finish*

4 (p 12)

*: In case of “Not Trouble Found”, check fatal error code.

Figure 1-1. Troubleshooting Workflow (1)

Troubleshooting

Troubleshooting Workflow

10 Confidential


4

Poor Printing

Poor printing quality Ink stain on paper Dot missing Paper eject without printing

[Presumable Cause]

• Driver / Panel mis-setting • Contamination of CR scale • Contamination of Printhead Cover • Printhead damage • Ink clogging of Printhead • Contamination on Cap Unit / Wiper of Ink system Assy • Ink system Assy damage • Float of Paper Guide Front Porous Pad • Narrow PG • PE Lever damage • PE Sensor damage • PW Sensor damage

[Major Troubleshooting]

• • • • • • • • • • • • • •

5

Problems related to print result or during printing(p 10)

[Phenomenon]

• • • •

Revision B

Driver / Panel re-setting CR Scale replacement Printhead cover cleaning Printhead cleaning Ink cartridge replacement Printhead replacement Rubber cleaning of Cap Unit of Ink system Assy Ink system Assy replacement Paper Guide Front Porous Pad re-installation PG readjustment Printer Mechanism replacement PE Lever replacement PE Sensor replacement PW Sensor replacement

Poor Paper Loading [Presumable Cause]

• • • • •

Use of 3rd party media Edge guide mis-setting Foreign material Part come-off Contamination of paper feed roller (Duplex Unit) • Cassette Assy damage • Pickup Roller deterioration, contamination • Contamination of PF roller


• Recommendation of EPSON media • Edge guide re-setting • Foreign material removal • Part re-installation • PF Roller replacement • Cassette Assy replacement • Pickup Roller replacement

Abnormal Noise [Presumable Cause]

• Foreign material • Insufficient grease • Gear damage


• Foreign material removal • Lubrication of grease • Gear replacement

Scanning cannot be performed successfully (p 10)

Scanner failure [Presumable Cause]

• Contamination of Scanner Glass • Contamination of Document Pad • CIS Unit bonding failure • CIS Unit damage • Scanner Motor damage


• • • • •

Scanner Glass cleaning Document Pad cleaning Document Pad replacement CIS Unit replacement Scanner Motor replacement

6

ADF does not operate normally (p 10)

ADF failure [Phenomenon]

• • • •

No paper feed Double feed Paper jam Paper skew

[Presumable Cause]

• • • • • • • • • •

Wear of Pickup Roller Wear of ADF Pad Assy Gear damage ADF Motor damage Contamination of Scanner Glass ADF Paper Support Assy damage Foreign material ADF Cover Assy damage Wear of EJ Roller ADF Sensors damage


• • • •

ADF Cover Assy replacement ADF Pad Assy replacement Scanner Glass cleaning ADF Paper Support Assy replacement • Foreign material removal • ADF Unit replacement


Appendix


12 Confidential


4

5

Problems related to print result or during printing(p 10)

Poor Printing

Poor Paper Loading

[Phenomenon]

• • • •

Revision B

[Presumable Cause]

Poor printing quality Ink stain on paper Dot missing Paper eject without printing

• • • • •

[Presumable Cause]

• Driver / Panel mis-setting • Contamination of CR scale • Contamination of Printhead Cover • Printhead damage • Ink clogging of Printhead • Contamination on Cap Unit / Wiper of Ink system Assy • Ink system Assy damage • Float of Paper Guide Front Porous Pad • Narrow PG • PE Lever damage • PE Sensor damage • PW Sensor damage

Use of 3rd party media Edge guide mis-setting Foreign material Part come-off Contamination of paper feed roller (Duplex Unit) • Cassette Assy damage • Pickup Roller deterioration, contamination • Contamination of PF roller

Abnormal Noise [Presumable Cause]

• Foreign material • Insufficient grease • Gear damage


• Foreign material removal • Lubrication of grease • Gear replacement


• Recommendation of EPSON media • Edge guide re-setting • Foreign material removal • Part re-installation • PF Roller replacement • Cassette Assy replacement • Pickup Roller replacement

Scanning cannot be performed successfully (p 10)

Scanner failure

• Contamination of Scanner Glass • Contamination of Document Pad • CIS Unit bonding failure • CIS Unit damage • Scanner Motor damage


Scanner Glass cleaning Document Pad cleaning Document Pad replacement CIS Unit replacement Scanner Motor replacement

• • • • • • •

[Phenomenon]

• • • •

No paper feed Double feed Paper jam Paper skew

[Presumable Cause]

• • • • • • • • • •

Wear of Pickup Roller Wear of ADF Pad Assy Gear damage ADF Motor damage Contamination of Scanner Glass ADF Paper Support Assy damage Foreign material ADF Cover Assy damage Wear of EJ Roller ADF Sensors damage


• • • •

ADF Cover Assy replacement ADF Pad Assy replacement Scanner Glass cleaning ADF Paper Support Assy replacement • Foreign material removal • ADF Unit replacement


• • • • • • •

ADF does not operate normally (p 10)

ADF failure

[Presumable Cause]

• • • • •

6

Driver / Panel re-setting CR Scale replacement Printhead cover cleaning Printhead cleaning Ink cartridge replacement Printhead replacement Rubber cleaning of Cap Unit of Ink system Assy Ink system Assy replacement Paper Guide Front Porous Pad re-installation PG readjustment Printer Mechanism replacement PE Lever replacement PE Sensor replacement PW Sensor replacement


Appendix


12 Confidential


Revision B

1.2 Power-On Sequence This section describes the power-on sequences for this product. The preconditions are as follows.  Normal power-on sequence (See Table 1-1.)    

Turning on the printer after turning it off without an error. Initial ink charge has finished and every cartridge has sufficient ink. No paper on the paper path. The Printhead is capped by the cap of the Ink System and the CR Lock is engaged normally. Table 1-1. Normal Power-on Sequence Operation*

1. Printhead initialization*3

CR Unit/PF Roller movement and position* 





 

1-1.Initializes the Printhead.  

2. Checking for waste ink overflow

 













3-2.The CR Unit moves to the 80-digit side up to its home position.







3-3.The PF Motor rotates clockwise, and releases the CR lock.







2-1.Checks the waste ink counter if the waste ink overflow is occurring. 3. Avoiding deadlock sequence *

3-1.The CR Unit moves to the 0-digit side slowly and confirms it touches the Right Frame.


Revision B

1.2 Power-On Sequence This section describes the power-on sequences for this product. The preconditions are as follows.  Normal power-on sequence (See Table 1-1.)    

Turning on the printer after turning it off without an error. Initial ink charge has finished and every cartridge has sufficient ink. No paper on the paper path. The Printhead is capped by the cap of the Ink System and the CR Lock is engaged normally. Table 1-1. Normal Power-on Sequence Operation*

1. Printhead initialization*3






 

1-1.Initializes the Printhead.  

2. Checking for waste ink overflow

 













3-2.The CR Unit moves to the 80-digit side up to its home position.







3-3.The PF Motor rotates clockwise, and releases the CR lock.































5-2.The PF Roller rotates counterclockwise quickly.







5-3.The CR Unit moves to ASF trigger ON => OFF positions.







5-4.The PF Motor rotates clockwise for approx. one second.







5-5.The PF Roller rotates clockwise for about one second.







5-6.The PE sensor detects if paper exists and the PF Motor rotates clockwise for approx. 0.5 second. *5







2-1.Checks the waste ink counter if the waste ink overflow is occurring. 3. Avoiding deadlock sequence *

3-1.The CR Unit moves to the 0-digit side slowly and confirms it touches the Right Frame.

4. Seeking the home position

4-1.The carriage moves to the 0-digit side slowly and confirms it touches the Right Frame. 4-2.By regarding the position where the CR Unit touches the Right Frame as the specified distance from the origin, the home position is determined. Thereafter, the position of the CR Unit is monitored based on the information provided by the CR Encoder. 4-3.The CR Unit slowly moves to its home position.

5. PF initialization

5-1.The CR Unit moves slowly about 3 cm to the 130-digit side.

Appendix

13 Confidential


Revision B

Table 1-1. Normal Power-on Sequence Operation* 6. Low temperature operation sequence*






















































6-1.The CR Unit returns its home position. 6-2.The CR Unit moves between around the switch lever and in front of the Left Frame two times.

7. PF measurement and PW sensor initialization

7-1. The CR Unit slightly moves to the 0-digit side. 7-2.The carriage moves to the VHCheck position (130-digit side) quickly and stops; meanwhile the voltage values detected by the PW sensor at the specified three points are recorded. At the same time, the PF Motor rotates clockwise and measures the load. 7-3.The CR Unit detects the voltage of the PW sensor at the carriage stop position (the black area at the Paper Guide Front). 7-4.The CR Unit returns near its home position. At the same time, the PF Motor rotates clockwise and measures the load.

8. Detecting ink cartridge and initializing ink system*7

8-1.The CR Unit slowly returns to its home position. 8-2.To check the operation of the PIS Sensor and to detect ink, the CR Unit moves back and forth between the CR Unit and near the APG Lever for two times.

9. CR lock setting

9-1.The CR Unit moves to its home position. 9-2.The PF Roller rotates counterclockwise to lock the CR Unit with the CR Lock.

Note *1: The rotation directions of the PF Motor are as follows. Clockwise: Paper is fed normally Counterclockwise: Paper is fed backward *2: The conditions of the CR lock are as follows. Red CR lock is set White CR lock is released *3: If it cannot be initialized, the fatal error occurs. *4: Confirm that the CR lock is not get stuck in the gap of the carriage or any other parts preventing the carriage from moving. *5: Eject paper if any. *6: Executed when the detected temperature is under 5 oC (41oF) by the thermistor on the Printhead. *7: The empty suction operation may occur depending on situations.

The power-on sequence shown in Table 1-1 is the sequence for when the previous power-off is complete normally as indicated in the conditions. If the previous power-off ends abnormally, operations including initialization of APG and such are performed in the following steps.

Appendix

1

Prior to Step 4-1

Initializes the APG Lever.

2

Prior to Step 4-2

The CR Unit evacuates to the 130-digit side once, and the PF Roller rotates clockwise once, then the cap unit of the Ink System is lowered, and then the CR Unit touches the Right Frame once again for confirmation.

3

Prior to Step 4-3

The CR Unit moves to its CR Lock Position (130-digit side), and the PF Roller rotates counterclockwise to engage the CR Lock. Then the CR Unit touches the CR Lock for confirmation.

4

Prior to Step 5-5

Initializes the APG unit (set to PG1 position).

5

Prior to Step 7-1

Measurement of the CR Motor

14 Confidential


Revision B

1.3 Fatal Error Code List This section describes the fatal error code and the possible cause for this product. Fatal errors related to the ADF/Scanner unit do not occur for WF-7110 Series because this model does not have ADF/Scanner unit.



Printer fatal error list Table 1-2. Fatal Error List (Printer) Error type

ADF/Scanner

Error code

Possible cause

0x01

ADF PID excess speed error

• ADF Encoder failure (contaminated/detached scale, Encoder Board failure) • Motor driver failure (Main Board failure)

0x02

ADF PID reverse error

• ADF Encoder failure (contaminated/detached scale, Encoder Board failure) • Paper jam

0x03

ADF PID lock error

0x04

ADF PID acceleration lock detection error

0x05

ADF PID excess load error

• ADF Encoder failure (contaminated/detached scale, Encoder Board failure) • ADF Motor failure • Paper jam • Cable disconnection

0X06

ADF PID DRIVING TIME ERROR

• Main Board failure

0x09

ADF BS+ excess speed error


0x0A

ADF BS+ reverse error


0x0B

ADF BS+ lock error

0x0D

ADF BS+ excess load error

0x0E

ADF BS+ driving time error


0x10

HP detection error

• CIS Unit failure • Scanner Housing failure • Main Board failure

Contact detection distance exceeded error

• • • • •

CIS Unit failure Scanner Housing failure (Including wrong attachment of the origin mark) Main Board failure Scanner FFC failure / Scanner FFC connection failure Scanner Motor failure / Scanner Motor connection failure

Opposite side contact detection distance exceeded error

• • • • •


0x13

Opposite side wrong contact detection distance error

• • • • •


0x14

Measurement failure error

• Scanner drive mechanism was overloaded.

0x11

0x12

Appendix

Error name

• ADF Encoder failure (contaminated/detached scale, Encoder Board failure) • ADF Motor failure • ADF drive overload (paper jam/foreign object) • Cable disconnection

15 Confidential


Revision B

Table 1-2. Fatal Error List (Printer) Error type

ADF/Scanner

Printer

Appendix

Error code

Error name

Possible cause

0x20

LED light error

• CIS Unit failure • Main Board failure

0x30

Option error


0x36

Paper jam error

• Paper jam • Foreign object

0x41

FB PID excess speed


0x42

FB PID reverse


0x43

FB PID lock

0x44

FB PID acceleration lock

0x45

FB PID excess load

0x46

FB PID driving time


0x49

FB BS+ excess speed


0x4A

FB BS+ reverse

• ADF Encoder failure (contaminated/detached scale, Encoder Board failure)

0x4B

FB BS+ lock

0x4D

FB BS+ excess load

0x4E

FB BS+ driving time

0x51

Automatic judgment fatal error 1

0x52


0x53


0x54


0x55


• ADF Encoder failure (contaminated/detached scale, Encoder Board failure) • ADF Motor failure • ADF drive mechanism overload (assembling failure, lubrication failure) • Cable disconnection

• ADF Encoder failure (contaminated/detached scale, Encoder Board failure) • ADF Motor failure • ADF drive mechanism overload (assembling failure, lubrication failure) • Cable disconnection • Main Board failure

---*

0x60

HP error

• Paper jam • Foreign object • Deformation of the Main Frame

0x63

Contact error at ink replacement timing (Power-off)

• Paper jam • Foreign object • Deformation of the Main Frame

0x67

APG target position acquisition error

• APG Motor failure • APG Sensor failure • Main Board failure

0x68

Contact error at valve initialization

0x69

Contact error at I/S clutch operation

0x6B

PF runaway error

0x7F

Inspection mode error

0x81

PIS environmental light error

• Ink system failure • Main Board failure • PF Encoder failure • Motor driver failure --- * • Ambient light

16 Confidential


Revision B


Printer

Error code

Possible cause

0x82

PIS constant reflection error

• PIS failure • Main Board failure • Ambient light

0x83

No reflected light error

• Fault Detection Plate failure • PIS failure (installation posture, contamination)

0x84

PIS abnormal misalignment error

0x85

PIS abnormal duty error

• PIS failure • Main Board failure

0x86

PIS Duty incalculable error


0x87

PIS Empty jig error

0x88

PIS Excessive Light error

• PIS failure • Main Board failure • Diffused light

0x89

PIS Insufficient Light error

• • • •

0x8D

Factor error other than printer device

This error occurs if the printer becomes a fatal error status due to a failure of parts other than the printer such as the scanner or ADF.

0x8E

Driver mismatch error

An unsupported driver was used.

0x8F

EEPROM verify error (by command)

0x93

PE Sensor error

• PE Sensor failure • Main Board failure

0x97

Head drive circuit VBS over-voltage error

• Head FFC failure • Main Board failure

0x9A

Circuit error (include blowout of a fuse)

0x9B

Transistor temperature error

0x9C

X-Hot detect error (pre printing)

0x9D

X-Hot detect error (after flushing)

0x9E

Head temperature error

0x9F

No print inspection mode error

---*

PIS failure (installation posture, contamination) Fault Detection Plate failure Main Board failure Ink cartridge failure

---*


• Printhead failure • Main Board failure --- *

Ink device error

• • • •

ADF PID excess load error

• ASF Encoder failure (contaminated/detached scale, Encoder Board failure) • ASF Motor failure • Pickup Roller (2nd cassette) drive mechanism overload (paper jam/ foreign object) • Cable disconnection

0xD2

ASF PID excess speed error

• ASF Encoder failure (contaminated/detached scale, Encoder Board failure) • Motor driver failure (Main Board failure)

0xD3

ADF PID reverse error

• ASF Encoder failure (contaminated/detached scale, Encoder Board failure) • Paper jam

ASF PID lock error


0xB00xCF

0xD1

0xD4

Appendix

Error name

Ink cartridge failure CSIC Terminal failure CR Contact Module failure Main Board failure

17 Confidential


Revision B


Error code

Error name

0xD6

ASF PID excess torque limitation error

Pickup Roller (2nd cassette) drive mechanism overload (paper jam/foreign object)

0xD8

ASF load position reverse error

• ASF Encoder failure (contaminated/detached scale, Encoder Board failure) • Paper jam

0xD9

ASF load position excess speed error

• ASF Encoder failure (contaminated/detached scale, Encoder Board failure) • Motor driver failure (Main Board failure)

0xDA

ASF load position excess load error


0xDE

ASF PID driving time error

0xDF

ASF load position driving time error

CR PID excess load error

CR Encoder failure (contaminated/detached scale, Encoder Board failure) CR Motor failure Carriage overload error (paper jam/foreign object) Cable disconnection

CR PID excess speed error

• • • •

CR Encoder failure (contaminated/detached scale, Encoder Board failure) Motor driver failure (Main Board failure) Tooth skip of the CR Timing Belt Improper tension of the CR Timing Belt

CR PID reverse error

• • • •

CR Encoder failure (contaminated/detached scale, Encoder Board failure) Tooth skip of the CR Timing Belt Improper tension of the CR Timing Belt Paper jam

CR PID lock error

• • • •


CR PID speed fall error

• • • • •

CR Encoder failure (contaminated/detached scale, Encoder Board failure) Motor driver failure (Main Board failure) Tooth skip of the CR Timing Belt Improper tension of the CR Timing Belt Paper jam

CR load position reverse error

• • • •

CR Encoder failure (contaminated/detached scale, Encoder Board failure) Tooth skip of the CR Timing Belt Improper tension of the CR Timing Belt Paper jam

CR load position excess speed error

• • • •

CR Encoder failure (contaminated/detached scale, Encoder Board failure) Motor driver failure (Main Board failure) Tooth skip of the CR Timing Belt Improper tension of the CR Timing Belt

0xEA

CR load position excess load error

• • • •


0xEB

APG driving time error


0xEC

APG excess speed error

• APG Sensor failure • APG Motor failure • Tooth skip of APG drive gear

0xE2

0xE3

0xE4

0xE5

0xE8

0xE9

Appendix

• Main Board failure • • • •

0xE1

Printer

Possible cause

18 Confidential


Revision B


Error code

0xEE

CR PID driving time error

0xEF

CR load position driving time error

PF PID excess load error

PF PID excess speed error

• • • •

PF Encoder failure (contaminated/detached scale, Encoder Board failure) Motor driver failure (Main Board failure) Tooth skip of the PF Timing Belt Improper tension of the PF Timing Belt

PF PID reverse error

• • • •

PF Encoder failure (contaminated/detached scale, Encoder Board failure) Tooth skip of the PF Timing Belt Improper tension of the PF Timing Belt Paper jam

0xF4

PF PID lock error

• • • •

PF Encoder failure (contaminated/detached scale, Encoder Board failure) PF Motor failure PF drive mechanism overload (paper jam/foreign object) Cable disconnection

0xF6

PF PID excess torque limitation error

0xF8

PF load position reverse error

• PF Encoder failure (contaminated/detached scale, Encoder Board failure) • Tooth skip of the PF Timing Belt • Improper tension of the PF Timing Belt

PF load position excess speed error

• • • •

PF Encoder failure (contaminated/detached scale, Encoder Board failure) Motor driver failure (Main Board failure) Tooth skip of the PF Timing Belt Improper tension of the PF Timing Belt

0xFA

PF load position excess load error

• • • •

PF Encoder failure (contaminated/detached scale, Encoder Board failure) PF Motor failure PF drive mechanism overload (paper jam/foreign object) Cable disconnection

0xFE

PF PID driving time error

0xFF

PF load position driving time error

0xF3

0xF9

Appendix

• Main Board failure PF Encoder failure (contaminated/detached scale, Encoder Board failure) PF Motor failure PF drive mechanism overload (paper jam/foreign object) Cable disconnection

0xF2

Note "*":

Possible cause

• • • •

0xF1

Printer

Error name

---*


Not occurs except in manufacturing process.

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Revision B

1.4 Status sheet This section describes the Status sheet for this product. 

This product can print the three kind of status sheet, and you can confirm the following information. • Configuration Status Sheet • Supply Status Sheet • Usage History Sheet



This product has Non-disclosed information to user. This information can be displayed on the Status sheet by starting the product with the Inspection Mode.

1.4.1 Start method of Inspection Mode 1. From a power off status, push the following button until the message is displayed on LCD. 

WF-7620/7610 series

Power on button



Home button

Stop button

* button

WF-7110 series

Power on button

Home button

Lower button

Stop button

2. Select the following items from the Inspection menu.  

WF-7620/7610 series : “7.Status Sheet Print Mode” WF-7110 series : “3. STSheet Mode” Run : Color / Select : [3][6] 1. Printer Inspection Mode 2. Special Inspection 3. FAX Inspection 4. Touch Screen Inspection 5. Development Inspection 6. FAX Development inspection 7. Status Sheet Print Mode 8. Normal Mode

[WF-7620/7610 series]

Inspection Mode 3. STSheet Mode

[WF-7110 series]

3. The product starts as usual. 4. Print the Status sheets. Appendix

Start method of Inspection Mode

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Revision B

1.4.2 Description of Status sheet (Non-disclosed information to user) 

Supply Status sheet

Table 1-3. Supply Status sheet (Non-disclosed information to user) Item

Content

Item

Content

Consumable information

Ink residual quantity

Residual quantity in formation of the Ink Cartridge. (each color)

Consumable information

Maintenance Box residual quantity

Appendix

Residual quantity information of the Maintenance Box

Description of Status sheet (Non-disclosed information to user)

21 Confidential

Epson WF-7620 / WF-7610 / WF-7110 Series 

Revision B

Usage History Sheet

Table 1-4. Usage History Sheet Item

Content

Item

Content

Number of Sheets Loaded

Cassette 1

Number of sheets loaded from 1st cassette

Cassette 2

Number of loaded from 2nd cassette

Paper feed slot

Number of sheet loaded from paper feed slot. Number of sheets scanned from ADF Unit.

Scanner Glass

Number of sheets scanned from Scanner Glass.

Number of replacement of Ink Cartridge

Maintenance Box

Number of replacement of Maintenance Box

Number of sheets scanned

ADF Number of Replacement

Ink Cartridge

Appendix

Description of Status sheet (Non-disclosed information to user)

22 Confidential

CHAPTER 2

DISASSEMBLY/REASSEMBLY

Confidential

Epson WF-7620/7610/7110 Series

Revision B

2.1 Overview This chapter describes procedures for disassembling the main parts/units of WF-7620/7610/7110 Series. Unless otherwise specified, disassembled parts/units can be reassembled by reversing the disassembly procedure. See the cautions or tips for disassembly/reassembly described in "2.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit (p38)" . Read the " Safety Precautions (p3)" before disassembling and reassembling. When you have to remove units or parts that are not described in this chapter, see the exploded diagrams of SPI (Service Parts Information).

2.1.1 Tools Use only specified tools to avoid damaging the printer. Name

Availability

EPSON Part Code

(+) Phillips screwdriver #1

O

1080530

(+) Phillips screwdriver #2

O

---

Flathead screwdriver

O

---

Flathead Precision screwdriver #1

O

---

Tweezers

O

---

Longnose pliers

O

---

Nippers

O

---

Q’ty

EPSON Part Code

Thickness gauge (1.6mm)

1

Commercially available


1



1



1



1


Teflon tape (thickness: 0.08 mm)

1


Note 1: Some of the tools listed above are commercially available. 2: EPSON provides the tools listed with EPSON part code.

2.1.2 Jigs Name

Disassembly/Reassembly

Overview

24 Confidential

Epson WF-7620/7610/7110 WF-7620/7610/7110 Series

Revision B

2.1.3 Standard Operation Time for servicing the product The following are the standard operation time for servicing the product. Those are based on the MTTR result measured using a prototype of WF-7620 Series that has the most functions among these product series. For WF7610 Series and WR-7110 Series the standard operation time differs slightly due to the differences in structure, however, perform servicing referring to this operation standard time. The underlined parts/units are supplied as After Service Parts. Table 2-1. 2-1. Standard Standard Operation Operation Time for servicing servicing the product product Time Parts/Unit Replacement

Adjustment/ Inspection

Total

USB Cover

0:44

---

0:44

Lower Case

1:14

---

1:14

Pickup Holder 1st

0:23

-- -

0:23

Pickup Roller 1st

0:53

---

0:53

Pickup Holder 2nd

0:10

-- -

0:10

Pickup Roller 2nd

0:23

---

0:23

Decoration Plate

0:45

-- -

0:45

Panel Unit

1:50

0:26

2:16

Speaker Cover

2:12

---

2:12

Speaker

2:12

---

2:12

Duplex Unit Cover Assy

0:50

4:43

5:33

MSF Unit

0:11

4:43

4:54

MSF Stopper Belt

0:37

---

0:37

Assist Roller Holder Assy

0:14

4:43

4:57

Paper Stopper Assy 2nd

0:50

-- -

0:50

ADF Pad Assy

0:19

---

0:19

Document Pad

0:14

---

0:14

MSF Cover

0:06

---

0:06

ADF Cover Assy

0:31

---

0:31

LD Shaft

0:42

---

0:42

ADF LD Assy

1:14

---

1:14

ADF/Scanner Unit

9:28

---

9:28

ADF Unit

14:42

0:46

15:28

ADF Decoration Plate Front

14:55

---

14:55

ADF Decoration Plate Rear

14:52

---

14:52

ADF Cover Right

15:03

---

15:03

ADF Cover Front

17:48

---

17:48

ADF Cover Rear

16:52

---

16:52

ADF Paper Support Cover

17:13

---

17:13

Paper Support Encoder Sensor

17:45

---

17:45

ADF Paper Support Assy

19:00

---

19:00

ADF Motor Unit

23:59

0:46

24:45

ADF Frame Base

23:59

---

23:59

14:42

0:58

15:40

17:42

---

17:42

Scanner Unit Scanner Housing Upper Assy

Disassembly/Reassembly Disassembly/Reas sembly

Overview

25 Confidential


Revision B

Table 2-1. 2-1. Standard Standard Operation Operation Time for servicing servicing the product product Time Parts/Unit Replacement


Total

Scanner FFC Cover

18:43

-- -

18:43

Scanner Motor Assy

19:18

0:58

20:16

CIS Module

18:46

---

18:46

Hinge Left

9:52

---

9:52

Hinge Right

9:52

-- -

9:52

Housing Upper Assy

12:02

---

12:02

Duplex Unit Cover Open Sensor

12:26

---

12:26

Housing Upper

12:50

---

12:50

Housing Front Assy

14:43

---

14:43

Cover Open Sensor

15:05

---

15:05

Housing Front

15:27

---

15:27

21:27

---

21:27

Cable Support Plate

21:59

-- -

21:59

Wireless LAN Module

22:15

---

22:15

Shield Plate Upper (w/Wireless LAN Module)

22:30

-- -

22:30

Main Board (read OK)

24:01

2:25

26:26

Main Board (read NG)

24:01

17:32

41:33

Shield Plate Lower (w/Cable Support Plate)

24:01

---

24:01

Stacker Assy

14:50

---

14:50

FAX Unit

15:21

---

15:21

FAX Shield Plate /FAX Connector Cover

16:08

---

16:08

FAX Board

16:08

---

16:08

Head FFC Cover

15:07

---

15:07

Holder Board Assy

15:36

---

15:36

CSIC Terminal

15:45

---

15:45

CR Contact Module

16:13

-- -

16:13

Holder Board

16:13

---

16:13

Printhead Cover

15:45

---

15:45

Printhead

17:37

23:44

41:21

Tube Clamp

14:58

---

14:58

Ink system Assy

16:09

---

16:09

Gear Cover

16:33

-- -

16:33

Pickup Assy 1st

17:56

---

17:56

Cover Cartridge

14:50

---

14:50

Guide IC

15:08

---

15:08

Power Supply Unit

16:00

3:26

19:26

Relay Board FFC Guide

15:27

---

15:27

Holder Cam Assy

16:04

---

16:04

Waste Ink Tray Cover

16:05

-- -

16:05

Relay Board Assy

16:47

---

16:47

Relay Board CSIC Terminal

17:10

---

17:10

Relay Board

17:03

-- -

17:03

Main Board Unit


Overview

26 Confidential


Revision B

Table 2-1. 2-1. Standard Standard Operation Operation Time for servicing servicing the product product Time Parts/Unit Replacement

Relay Board Holder


Total

17:26

-- -

17:26

Waste Ink Tray Holder

17:31

---

17:31

APG Unit Support Plate

15:11

---

15:11

APG Driven Shaft

19:23

---

19:23

Paper Guide Upper Assy

21:22

8:15

29:37

CR Scale

15:37

---

15:37

CR Driven Pulley Assy

16:31

1:00

17:31

APG Driven Shaft Support Plate

16:32

---

16:32

PE Sensor

23:53

-- -

23:53

CR Guide Frame Assy (w/CR Unit)

27:41

16:24

44:05

Front Frame

29:03

7:45

36:48

PG Adjustment Cam Right

28:13

5:40

33:53

CR Scale Support Plate

28:09

---

28:09

PG Adjustment Cam Left

28:43

5:40

34:23

Star Wheel Assy

30:45

1:37

32:22

Frame Base 2nd Assy

40:07

4:02

44:09

ASF Motor Assy

41:21

0:35

41:56

Spur Gear 16

41:25

---

41:25

Pickup Assy 2nd

43:09

-- -

43:09

Paper Stopper Assy 1st

40:57

---

40:57

One Way Clutch Gear

33:21

---

33:21

Main Board Unit

41:18

19:37

60:55

PF Motor

42:15

0:26

42:41

CR Motor

41:53

0:41

42:34

PE Lever

45:59

0:38

46:37

Paper Guide Middle

46:16

---

46:16

PE Sensor

46:31

0:38

47:09

Paper Guide Lower Porous Pad

41:23

0:13

41:36

APG Unit

42:04

---

42:04


Overview

27 Confidential


Revision B

2.2 Disassembly/Reassembly Procedures 2.2.1 Functional differences between models and component parts In "2.2.3 Disassembly Flowchart (p31)" , the procedures are indicated on the premise that some parts/units are removed in advance. Make sure to remove the following parts/units before starting disassembly. 

Cassette Assy 1st / 2nd

Cassette Assy 1st

Cassette Assy 2nd

Figure 2-1. Removing Removing the Casset Cassette te Assy 1st/2nd 1st/2nd 

Duplex Unit

Duplex Unit

Figure 2-2. Removing Removing the the Duplex Duplex Unit


Disassembly/Reassembly Disassembly/Reas sembly Procedures

28 Confidential

Epson WF-7620/7610/7110 Series 

Revision B

Maintenance Box

Maintenance Box

Figure 2-3. Removing the Maintenance Box


Disassembly/Reassembly Procedures

29 Confidential


Revision B

2.2.2 Functional differences between models and component parts WF-7620/7610/7110 Series described in this manual have differences in their structure because the same printer mechanism is used for some of them and the composition of housings or functions differs. The functions and differences according to the models are as follows. Table 2-2. Function List According to Models Multifunction Printer

Item

Single function Printer

WF-7620 Series

WF-7610 Series

WF-7110 Series

Compatible

O

O

---

Non-compatible

---

---

O

Electrostatic Pad type

O

O

---

LED & Button type

---

---

O

Second cassette (Frame Base 2nd)

O

---

O

FAX

O

O

---

Wireless LAN

O

O

O

ADF/Scanner Panel

Disassembly Flowchart Start Position

p 32

p 33

Table 2-3. Components According to Functions Item

Specification

ADF/Scanner

The following units and parts are not mounted on the models without the ADF/Scanner. • ADF Unit • Scanner Unit

Panel Unit

With Panel Unit, the shape, components and disassembly order in the disassembly procedures differ depending on the specification of the panel.

Second cassette (Frame Base 2nd)



The following units and parts are not mounted on the models without the second cassette.

• Frame Base 2nd Assy 

With Multifunction Printer, the disassembly procedures differ depending on whether or not having the Second cassette.

• Paper Stopper Assy 1st • Pickup Assy 1st • Lower Case FAX

The FAX Unit is not mounted on the model without the FAX.

Therefore, parts and units are colored and classified into 2 types in the flowchart given in this section. After checking the functions and differences in the components shown above, see the disassembly procedures. Common parts/units in Multifunction Printer or Single function Printer

Black

Model-specific parts/units

Red



30 Confidential


Revision B

2.2.3 Disassembly Flowchart This section describes procedures for disassembling the parts/units in a flowchart format. For some parts/units, detailed procedures or precautions are provided (accordingly indicated by icons and cell's color). Refer to the explanations in the example chart below and perform an appropriate disassembling and assembling procedure. (See "2.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit (p38)" .) For routing cables, see "2.4 Routing FFCs/cables (p47)". The example below shows how to see the charts on the following pages. The name enclosed in gray indicate a part/unit that must be removed on the way to the target parts. Shows necessary procedures before removing the following parts.*

Paper Guide Upper Assy (p29)

 CR Timing Belt  FFC/Cable * 1

Shows the procedure number on the “FFC/ cable list”.

Main Frame Unit

--Black letters indicate a part/unit not supplied as an ASP.

1

--(p 21)

(p 27)

(p 22)

(p 43)

Reference page

Description

White-letter Black-letter


Reference

Part/unit supplied as an ASP

---

Part/unit not supplied as an ASP

---

Indicates a practice or condition that could result in injury or loss of life if not strictly observed.

Indicates the reference page in blue-letter

Indicates a practice or condition that could result in damage to, or destruction of equipment if not strictly observed.


Indicates the parts that are inevitably broken in the disassembling procedure, and should be replaced with a new one for reassembly.

Icon

Shows the screw types and the specified torque in the “Screw type/torque list”.

The boxes with only part names indicates the removal of such parts. If the names of FFCs or cables are shown, disconnect the FFCs or cables from their connectors.

Item

Parts/unit name

4

S2

Shows removal/installation as a unit/assy. is available.

Note "*":

White letters indicate a part/unit supplied as an ASP.

USB Cover

---

Indicates necessary check items in the disassembling/ assembling procedure.


Indicates supplementary explanation for disassembly is given.


Indicates particular tasks to keep quality of the units are required.


Indicates particular routing of cables is required.


Indicates particular adjustment(s) is/are required.

Chapter 3 " Adjustment (p52)"

Indicates lubrication is required.

Chapter 4 " Maintenance (p75)"

Indicates the number of screws securing the parts/units.

---

Indicates the points secured with other than a screw such as a hook, rib, dowel or the like.

---


31 Confidential


Revision B

2.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit

ADF Decoration Plate Front/Rear (WF-7620/7610 Series)

ADF Unit/Scanner Unit (WF-7620/7610 Series)


ADF Decoration Plate Front Check point

ADF hinge

ADF Unit



Scanner Unit

ADF hinge spacer

Bottom of ADF/Scanner Unit Hook Rib

Check point

ADF hinge

Hook Rib

When removing the ADF Decoration Plate Front/Rear, release the hooks and ribs beforehand.

ADF LD Assy (WF-7620/7610 Series) LD Shaft

Shaft of ADF LD Assy

Inside of ADF Cover Assy (WF-7620/7610 Series) Left

Right

Cover Lock Release Middle Link

Hook

ADF hinge spacers

Cover Lock Release Link

LD Shaft edge

ADF hinge spacer

Lock Release Shaft

Lock Release Shaft

ADF LD Assy ADF LD Assy

ADF hinges

The ADF hinge spacers are inserted to the hooks on the ADF hinges to prevent the ADF Unit from disengaging from the Scanner Unit by the shocks caused when the ADF Unit is opened or closed. When the ADF hinge spacers are set in their regular positions, th e hooks on the ADF hinges cannot be released; however, by turning the ADF/Scanner Unit upside down, the ADF hinge spacers move from the regular positions, and then the hooks on the ADF hinges can be released. When removing the ADF Unit/Scanner Unit, place it wit h its bottom up and release the hooks (x3) shown above in advance. When installing the ADF Unit/Scanner Unit, make sure that the ADF hinge spacers (x2) are inserted at the hooks (x2) on the ADF hinges.


Extension Spring 0.99

 

ADF Cover Assy

Attach the extension spring 0.99 as shown above. After installing the ADF LD Assy to the ADF Cover Assy, install the LD shaft while aligning the shape of its end with that of the shaft of the ADF LD Assy.

Detailed Disassembly/Reassembly Procedure for each Part/Unit

Cover Lock Release Rear Link

If the Cover Lock Release Link, the Cover Lock Release Middle Link or the Cover Lock Release Rear Link comes off when removing the ADF LD Assy, attach it back as shown above.

38 Confidential


Revision B

2.3 Detailed Disassembly/Reassembly Procedure for each Part/Unit

ADF Decoration Plate Front/Rear (WF-7620/7610 Series)

ADF Unit/Scanner Unit (WF-7620/7610 Series)


ADF Decoration Plate Front Check point

ADF hinge

ADF Unit



Scanner Unit

ADF hinge spacer

Bottom of ADF/Scanner Unit Hook Rib

Check point

ADF hinge

Hook Rib

When removing the ADF Decoration Plate Front/Rear, release the hooks and ribs beforehand.

ADF LD Assy (WF-7620/7610 Series) LD Shaft

Inside of ADF Cover Assy (WF-7620/7610 Series) Left

Shaft of ADF LD Assy

Right

Cover Lock Release Middle Link

Hook

ADF hinge spacers

Cover Lock Release Link

LD Shaft edge

ADF hinge spacer

Lock Release Shaft

Lock Release Shaft

ADF LD Assy ADF LD Assy

ADF hinges

The ADF hinge spacers are inserted to the hooks on the ADF hinges to prevent the ADF Unit from disengaging from the Scanner Unit by the shocks caused when the ADF Unit is opened or closed. When the ADF hinge spacers are set in their regular positions, th e hooks on the ADF hinges cannot be released; however, by turning the ADF/Scanner Unit upside down, the ADF hinge spacers move from the regular positions, and then the hooks on the ADF hinges can be released. When removing the ADF Unit/Scanner Unit, place it wit h its bottom up and release the hooks (x3) shown above in advance.



When installing the ADF Unit/Scanner Unit, make sure that the ADF hinge spacers (x2) are inserted at the hooks (x2) on the ADF hinges.


Extension Spring 0.99



ADF Cover Assy

Cover Lock Release Rear Link

Attach the extension spring 0.99 as shown above. After installing the ADF LD Assy to the ADF Cover Assy, install the LD shaft while aligning the shape of its end with that of the shaft of the ADF LD Assy.

If the Cover Lock Release Link, the Cover Lock Release Middle Link or the Cover Lock Release Rear Link comes off when removing the ADF LD Assy, attach it back as shown above.


38 Confidential


Revision B

ADF Unit (WF-7620/7610 Series) (1)


ADF Cover Assy

ADF Pad Assy

ADF Unit

ADF Cover Right Bottom

AD F C ove r R igh t

ADF Cover Assy

A DF U ni t

Hook Dowel

ADF Cover Right

ADF Cover Front

Rear of ADF Cover Right

Front

Center hook

5

1 Hook Dowel

ADF Cover Rear

ADF Cover Rear Center hook Front

At Dowel 1 Bottom

2

Rear of ADF Cover Front 4

10

3

2

3 4

5 6 9

8

7

Release the hooks (x9) and the dowel in the order shown above, then remove the ADF Cover Rear.

The figures above indicate the hooks and dowels that secure the parts and units.


Release the hooks (x5) in the order shown above, then remove the ADF Cover Front.



39 Confidential


Revision B



ADF Cover Assy

ADF Pad Assy

ADF Unit

ADF Cover Right Bottom

AD F C ove r R igh t

ADF Cover Assy

A DF U ni t

Hook Dowel

ADF Cover Right

ADF Cover Front

Rear of ADF Cover Right

Front

Center hook

5

1 Hook Dowel

ADF Cover Rear

ADF Cover Rear Center hook Front

At Dowel 1 Bottom

2

Rear of ADF Cover Front 4

10

3

2

3 4

5 6 9

8

7

Release the hooks (x9) and the dowel in the order shown above, then remove the ADF Cover Rear.



Release the hooks (x5) in the order shown above, then remove the ADF Cover Front.



39 Confidential


Revision B

Main Board Unit

Ink system Assy Waste Ink Tube

Upper

Rear

Tube Clamp

Main Board Unit Tube Clamp Waste Ink Tray Cover

WF-7620/7610 Series only

Maintenance Box Waste Ink Joint

Waste Ink Tube Rib

FAX Unit Ink system Assy

C.B.S-TITE SCREW 3x6 F/ZN-3C (8±1 kgf ·cm) C.B.P-TITE SCREW 3x10 F/ZN-3C (6±1 kgf ·cm) C.B.P-TITE SCREW 3x10 F/ZN-3C (8±1 kgf ·cm) Dowel

The screws that secure the Main Board Unit are shown above. Frame Base 1st Assy

Tighten the screws in the order indicated in the figure above.

Pickup Assy 1st/2nd Pickup Assy 1st (Common to all)

Pickup Assy 2nd (WF-7620/7110 Series)

Spur Gear 32

Upper

Upper

Spur Gear 16

Hole

Bottom

Waste Ink Tray Cover Bottom Cap Slider

Pickup Assy 1st Hook

Pickup Assy 2nd

The location where the Pickup Escape Lever interferes.

Frame Base 1st Assy


Ink system Assy

Pickup Escape Lever

Pickup Driven Shaft

C.B.P-TITE SCREW 3x10 F/ZN-3C (6±1 kgf ·cm)

Pickup Driven Shaft

Pickup Escape Lever C.B.P-TITE SCREW 3x10 F/ZN-3C (6±1 kgf ·cm)

When removing the Pickup Assy 1st / 2nd , follow the procedure below. 1. Release the Pickup Assy 1st / 2nd from the Pickup Escape Lever. 2. Remove the screws (x1 each) that secure the Pickup Assy 1st / 2nd. 3. Pickup Assy 1st: Release the hook of the Spur Gear 32 and remove the Spur Gear 32 from the Pickup Driven Shaft, and then pull out the shaft from the hole of the Frame Base Assy, and remove the Pickup Assy 1st. 4. Pickup Assy 2nd: Remove the Pickup Driven Shaft from the Spur Gear 16, and remove the Pickup Assy 2nd from the 2nd Bin Base Assy.


Slide the Cap Slider in the direction of the arrow, then secure the Ink System with a screw.


When connecting the Waste Ink Tube to the Maintenance Box Waste Ink Joint , connect it until the edge of the tube touches the root on t he joint to prevent waste ink from leaking. When installing the Ink System Assy, follow the procedure below. 1. Route the Waste Ink Tube under the Main Frame. 2. Aligning the dowels (x3) on the Ink System Assy with the holes (x3) on the Frame Base 1st Assy. 3. Secure the Ink System Assy with screws (x2). 4. Connect the joint section of the Waste Ink Tube with the joint of the Maintenance Box Waste Ink Joint, then secure them with the Tube Clamp. 5. Route the Waste Ink Tube through the ribs (x2) on the Frame Base.


42 Confidential


Revision B

Main Board Unit

Ink system Assy Waste Ink Tube

Upper

Rear

Tube Clamp

Main Board Unit Tube Clamp Waste Ink Tray Cover

WF-7620/7610 Series only

Maintenance Box Waste Ink Joint

Waste Ink Tube Rib

FAX Unit Ink system Assy

C.B.S-TITE SCREW 3x6 F/ZN-3C (8±1 kgf ·cm) C.B.P-TITE SCREW 3x10 F/ZN-3C (6±1 kgf ·cm) C.B.P-TITE SCREW 3x10 F/ZN-3C (8±1 kgf ·cm) Dowel

The screws that secure the Main Board Unit are shown above. Frame Base 1st Assy

Tighten the screws in the order indicated in the figure above.

Pickup Assy 1st/2nd Pickup Assy 1st (Common to all)

Pickup Assy 2nd (WF-7620/7110 Series)

Spur Gear 32

Upper

Upper

Spur Gear 16

Hole

Bottom

Waste Ink Tray Cover Bottom Cap Slider

Pickup Assy 1st Hook

Pickup Assy 2nd


Frame Base 1st Assy


Ink system Assy

Pickup Escape Lever

Pickup Driven Shaft


Pickup Driven Shaft

Pickup Escape Lever C.B.P-TITE SCREW 3x10 F/ZN-3C (6±1 kgf ·cm)

When removing the Pickup Assy 1st / 2nd , follow the procedure below. 1. Release the Pickup Assy 1st / 2nd from the Pickup Escape Lever. 2. Remove the screws (x1 each) that secure the Pickup Assy 1st / 2nd. 3. Pickup Assy 1st: Release the hook of the Spur Gear 32 and remove the Spur Gear 32 from the Pickup Driven Shaft, and then pull out the shaft from the hole of the Frame Base Assy, and remove the Pickup Assy 1st. 4. Pickup Assy 2nd: Remove the Pickup Driven Shaft from the Spur Gear 16, and remove the Pickup Assy 2nd from the 2nd Bin Base Assy.


Slide the Cap Slider in the direction of the arrow, then secure the Ink System with a screw.


When connecting the Waste Ink Tube to the Maintenance Box Waste Ink Joint , connect it until the edge of the tube touches the root on t he joint to prevent waste ink from leaking. When installing the Ink System Assy, follow the procedure below. 1. Route the Waste Ink Tube under the Main Frame. 2. Aligning the dowels (x3) on the Ink System Assy with the holes (x3) on the Frame Base 1st Assy. 3. Secure the Ink System Assy with screws (x2). 4. Connect the joint section of the Waste Ink Tube with the joint of the Maintenance Box Waste Ink Joint, then secure them with the Tube Clamp. 5. Route the Waste Ink Tube through the ribs (x2) on the Frame Base.


42 Confidential


Revision B

Panel Unit (WF-7110 Series) Rear

Housing Upper Assy Panel Unit

C.B.P-TITE SCREW 3x10 F/ZN-3C (6±1 kgf ·cm) Rear of Panel Unit Hook A Hook B Dowel and Hole

Bottom

Remove the Panel Unit as follows. 1. Remove the screws (x3) that secure the Panel Unit. 2. Disengage the holes (x3) on the Panel Unit from the dowels (x3) on the Housing Upper Assy. 3. Press the hook A on the rear of the Panel Unit in the direction of the arrow to release the hook. 4.

Release the hook B (x6) on the bottom of the Panel Unit, and disconnect the Panel FFC from the connector on the Panel Unit, then remove the Panel Unit.



46 Confidential


Revision B

Panel Unit (WF-7110 Series) Rear

Housing Upper Assy Panel Unit

C.B.P-TITE SCREW 3x10 F/ZN-3C (6±1 kgf ·cm) Rear of Panel Unit Hook A Hook B Dowel and Hole

Bottom

Remove the Panel Unit as follows. 1. Remove the screws (x3) that secure the Panel Unit. 2. Disengage the holes (x3) on the Panel Unit from the dowels (x3) on the Housing Upper Assy. 3. Press the hook A on the rear of the Panel Unit in the direction of the arrow to release the hook. 4.

Release the hook B (x6) on the bottom of the Panel Unit, and disconnect the Panel FFC from the connector on the Panel Unit, then remove the Panel Unit.



46 Confidential


Revision B

Head FFC

Frame Base 2nd Assy (WF-7620/WF-7110 Series) Front

Fold rib inward into hole on Front Frame.

Top of Frame Base 2nd Assy: Before ASF Motor Assy is installed

Ferrite core

Fig. 1 Frame Base 2nd Assy Paper Stopper sensor cable

Front Frame FFC Holder

Hole of Frame Base 2nd Assy

Head FFC

Grounding Wire B

ASF Encoder FFC Frame Base 2nd Assy Paper Stopper sensor cable FFC Holder ASF Motor cable Grounding Wire A

Top of Frame Base 2nd Assy: Aft er ASF Motor Assy is installed Fig. 2 Hook Rib Double-sided tape

  

Rib Hook Groove Double-sided tape

Ferrite core ASF Encoder FFC

ASF Motor Assy

C.B.S-TITE SCREW 3x6 F/ZN-3C (6±1 kgf ·cm) Fig. 3

Route the FFC through the ho oks (x4) on the Front Frame. Insert the ferrite core into the positi on shown above and secure it with double-sided t ape. Attach the FFC Holder and secure the FFC with the holder.

PIS FFC

Grounding Wire B

• Frame Base 2nd Assy Paper Stopper sensor cable •ASF Motor cable •Grounding Wire B

PF Motor Grounding Wire A

Hole of Frame Base 2nd Assy PF Motor cable

PF Motor

ASF Motor Cable

PIS FFC Fig. 4 ASF Encoder FFC

Frame Base 1st

Acetate Tape Frame Base 1st

Rib

Route the FFC through the ribs (x4) on the Frame Base 1st and secure it to the position shown above with acetate tape.


Ferrite core

Rib

Insert the ferrite core into the position shown above, and route the PF Motor cable through the ribs (x7) on the Frame Base 1st.

Route the cables to the Frame Base 2nd Assy as shown below. 1. Pull out the Frame Base 2nd Assy Paper Stopper sensorcable and gr ounding wire A from the hole o n the Frame Base 2nd Assy, and route the cables through the ribs and hooks on the Frame Base 2nd Assy.(See Fig. 1.) 2. Install the ASF Motor Assy and wrap the ASF Motor cable around the hook on the Frame Base 2nd Assy once, then insert the ferrite core into the position shown above. (See Fig. 2.) 3. Secure the grounding wire A to the ASF Motor Assy with the screw, and route the grounding wire B through the ribs and hooks on the Frame Base 2nd Assy. (See Fig. 2.) 4. Secure the ASF Encoder FFC to the position shown above with double-sided tape.(See Fig. 2.) 5. Route the Frame Base 2nd Assy Paper Stopper sensor cable, ASF Motor cable and grounding wire B through the grooves (x3) and hole on the Frame Base 2nd Assy. (See Fig. 3.) 6. Route the ASF Encoder FFC through the ribs (x3) and the groove on the Frame Base 2nd Assy, and secure it to the position shown above with double-sided tape. (See Fig. 4.)

Routing FFCs/cables

50 Confidential


Revision B

Head FFC

Frame Base 2nd Assy (WF-7620/WF-7110 Series) Front

Fold rib inward into hole on Front Frame.

Top of Frame Base 2nd Assy: Before ASF Motor Assy is installed

Ferrite core

Fig. 1 Frame Base 2nd Assy Paper Stopper sensor cable

Front Frame FFC Holder

Hole of Frame Base 2nd Assy

Head FFC

Grounding Wire B

ASF Encoder FFC Frame Base 2nd Assy Paper Stopper sensor cable FFC Holder ASF Motor cable Grounding Wire A

Top of Frame Base 2nd Assy: Aft er ASF Motor Assy is installed Fig. 2 Hook Rib Double-sided tape

  

Rib Hook Groove Double-sided tape

Ferrite core ASF Motor Assy

ASF Encoder FFC

C.B.S-TITE SCREW 3x6 F/ZN-3C (6±1 kgf ·cm) Fig. 3

Route the FFC through the ho oks (x4) on the Front Frame. Insert the ferrite core into the positi on shown above and secure it with double-sided t ape. Attach the FFC Holder and secure the FFC with the holder.

Grounding Wire B

PIS FFC

• Frame Base 2nd Assy Paper Stopper sensor cable •ASF Motor cable •Grounding Wire B

PF Motor Grounding Wire A

Hole of Frame Base 2nd Assy PF Motor cable

PF Motor

ASF Motor Cable

PIS FFC Fig. 4 ASF Encoder FFC

Frame Base 1st

Acetate Tape Frame Base 1st

Ferrite core

Rib

Rib

Route the FFC through the ribs (x4) on the Frame Base 1st and secure it to the position shown above with acetate tape.

Insert the ferrite core into the position shown above, and route the PF Motor cable through the ribs (x7) on the Frame Base 1st.


Route the cables to the Frame Base 2nd Assy as shown below. 1. Pull out the Frame Base 2nd Assy Paper Stopper sensorcable and gr ounding wire A from the hole o n the Frame Base 2nd Assy, and route the cables through the ribs and hooks on the Frame Base 2nd Assy.(See Fig. 1.) 2. Install the ASF Motor Assy and wrap the ASF Motor cable around the hook on the Frame Base 2nd Assy once, then insert the ferrite core into the position shown above. (See Fig. 2.) 3. Secure the grounding wire A to the ASF Motor Assy with the screw, and route the grounding wire B through the ribs and hooks on the Frame Base 2nd Assy. (See Fig. 2.) 4. Secure the ASF Encoder FFC to the position shown above with double-sided tape.(See Fig. 2.) 5. Route the Frame Base 2nd Assy Paper Stopper sensor cable, ASF Motor cable and grounding wire B through the grooves (x3) and hole on the Frame Base 2nd Assy. (See Fig. 3.) 6. Route the ASF Encoder FFC through the ribs (x3) and the groove on the Frame Base 2nd Assy, and secure it to the position shown above with double-sided tape. (See Fig. 4.)

Routing FFCs/cables

50 Confidential


Revision B

PE Sensor

CR Motor

Main Frame Unit's bottom

PE Sensor

130-digit side

Frame Base 1st

Scanner Housing Upper Assy (WF-7110 Series)

0-digit side

Cover Open Sensor cable

PE Sensor cable Hole Ferrite core Holder Ferrite core Rib

Panel FFC

Doublesided tape

Ferrite core Main Frame Unit PE Sensor Cable

Ferrite core Holder

Housing Upper Assy CR Motor cable

Route the PE Sensor cable as follows. 1. Route through the hooks (x3) on the Main Frame Unit. 2. Route through the hooks (x2) and dowel on the Frame Base 1st, and install the Main Frame Unit to the Frame Base 1st.(p 45)


Ferrite core

CR Motor

Hook Dowel

Hook  

Insert the ferrite core into the positi on shown above. Route the CR Motor cable through the hooks (x8) shown above.

Routing FFCs/cables

  

Pull out the Cover Open Sensor cable from the hole on the Housing Upper Assy, and route it through the rib. Thread the Panel FFC through the ferrite core holder and ferrite cores (x2) when routing the FFC. Secure the ferrite core to the position shown above with double-sided tape.

51 Confidential


Revision B

PE Sensor

CR Motor

Main Frame Unit's bottom

PE Sensor

130-digit side

Frame Base 1st

Scanner Housing Upper Assy (WF-7110 Series)

0-digit side

Cover Open Sensor cable

PE Sensor cable Hole Ferrite core Holder Ferrite core Rib

Panel FFC

Doublesided tape

Ferrite core Main Frame Unit PE Sensor Cable

Ferrite core Holder

Housing Upper Assy CR Motor cable

Route the PE Sensor cable as follows. 1. Route through the hooks (x3) on the Main Frame Unit. 2. Route through the hooks (x2) and dowel on the Frame Base 1st, and install the Main Frame Unit to the Frame Base 1st.(p 45)


Ferrite core

CR Motor

Hook Dowel

Hook  

Insert the ferrite core into the positi on shown above. Route the CR Motor cable through the hooks (x8) shown above.

Routing FFCs/cables

  

Pull out the Cover Open Sensor cable from the hole on the Housing Upper Assy, and route it through the rib. Thread the Panel FFC through the ferrite core holder and ferrite cores (x2) when routing the FFC. Secure the ferrite core to the position shown above with double-sided tape.

51 Confidential

CHAPTER 3

ADJUSTMENT

CHAPTER 3

ADJUSTMENT

Confidential


Revision B

3.1 Required Adjustments The table from the following page lists the required adjustments depending upon the parts being repaired or replaced. Find the part(s) you removed or replaced, and check which adjustment(s) must be carried out. 

After all required adjustments are completed, use the “Final check pattern print” function to print all adjustment patterns for final check. If you find a problem with the printout patterns, carry out the adjustment again.



When replacing the Main Board and the Printer Mechanism at the same time, the adjustment should be made after performing the initial setting.



The table items and marks used in the “Required Adjustment List” provided on the following pages have the following meanings. • “---” indicates that the adjustment is not required. • The “Mechanism Adjustment” should be performed just after reinstalling or reassembling the part or unit. • The “Adjustments using the Adjustment Program” need to be performed after reassembling the printer completely.



Adjustment

If you have removed or replaced multiple parts, make sure to check the required adjustments for the all parts. And when multiple adjustments must be carried out, be sure to carry out them in the order given in the “Priority” row.

Required Adjustments

53 Confidential


Revision B

Table 3-1. Required Adjustment List (Mechanism adjustment) Adjustment Type Priority

Adjustment Item

Cassette Assy 2nd Duplex Unit Cover Assy Duplex Unit

Panel Unit

ADF Unit

e m a N t r a P

ADF Motor Unit

Scanner Unit

Scanner Motor Assy

Main Board Unit

4

PG Adjustment

Checking the Platen Gap

CR/PF Timing Belt Tension Measurement

Touch Panel Adjustment

Check if the tension of the CR/PF Timing Belt is within the standard.

This adjustment is made to adjust the relative positions between the Touch Panel detection points and displaying positions on the Control Panel.

Checks if the PG is within the standard.

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

O

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

---

---

---

O

Remove

---

---

---

---

Replace

---

---

---

---

---

---

---

O

Remove

---

---

---

---

Replace

---

---

---

---

---

---

---

---

O

---

---

---

Thickness gauges

Thickness gauges

Sonic tension gauge

---

(EEPROM Read OK)

(EEPROM Read OK)

Replace (EEPROM Read NG)

Printout pattern

3

---

(EEPROM Read NG)

PS Unit

2

Remove

Replace

Main Board

1

Adjusts the PG to within the standard.

Purpose

Cassette Assy 1st

Mechanism adjustment

How to judge Adjustment program Tool

Adjustment


54 Confidential


Revision B

Table 3-1. Required Adjustment List (Mechanism adjustment) Adjustment Type Priority

1

2

3

4

Adjustment Item

PG Adjustment

Checking the Platen Gap

CR/PF Timing Belt Tension Measurement

Touch Panel Adjustment

Check if the tension of the CR/PF Timing Belt is within the standard.

This adjustment is made to adjust the relative positions between the Touch Panel detection points and displaying positions on the Control Panel.

Adjusts the PG to within the standard.

Purpose

Checks if the PG is within the standard.

Remove

---

O

---

---

Replace

O

O

---

---

Remove

---

---

O

---

Replace

---

---

O

---

Paper Guide Upper Assy

Remove

---

---

---

---

Replace

---

---

---

---

CR Guide Frame Assy (w/CR Unit)

Remove

O

O

O

---

Replace

O

O

O

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

O

O

---

Replace

O

O

O

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

Remove

---

---

---

---

Replace

---

---

---

---

---

---

---

---

O

---

---

---

Thickness gauges

Thickness gauges

Sonic tension gauge

---

Print head

CR Driven Pulley Assy

Front Frame

Star Wheel Assy

e m a N t r a P

Mechanism adjustment

Frame Base 2nd Assy

Main Frame Unit

PF Motor

CR Motor

PE Lever Assy

PE Sensor Paper Guide Lower Porous Pad APG Unit Printout pattern How to judge Adjustment program Tool

Adjustment


55 Confidential


Revision B Table 3-3. Required Adjustment List 2 (Adjustment using the Adjustment Program)

Adjustment Type

Adjustment using the Adjustment Program

Priority

13

14

15

16

17

18

19

20

21

Adjustment Item

Paper skew adjustment

PF / EJ deterioration offset

PW Detector light quantity adjustment

CR motor heat protection control

PF motor heat protection control

ASF motor heat protection control*1

Scanner motor heat protection control*2

ADF motor heat protection control*2

PIS board check

To align print start position at 0- To reset the counter or set it to To correct the light quantity digit side with that at 80-digit its maximum according to the variations depending on the side in bidirectional band replaced parts factor such as sensor printing, timing of firing ink characteristics or installation droplet is adjusted through posture software control

Purpose

Cassette Assy 1st Cassette Assy 2nd Duplex Unit Cover Assy Duplex Unit Panel Unit ADF Unit

e m a N t r a P

ADF Motor Unit Scanner Unit Scanner Motor Assy

Remove Replace Remove Replace Remove Replace Remove Replace Remove Replace Remove Replace Remove Replace Remove Replace Remove Replace Remove

To measure and correct the electrical variation of each motor and the power supply board. (For Scanner motor and ADF motor, re-measurement preparation)

To check the light correction value (Duty) to check the time to replace the PIS

---------------------------------------

---------------------------------------

---------------------------------------

---------------------------------------

---------------------------------------

---------------------------------------

------------------------------O --O ---

----------------------O --O -----------

---------------------------------------

---

---

---

---

---

---

---

---

O

Replace Main Board Unit

(EEPROM Read OK)


O

O

O

O

O

O

O

O

O

Remove

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

O

O

O

O

O

O

O

O

O

O

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

O ---

O ---

O ---

O ---

O ---

O ---

O ---

O ---

Replace Main Board

(EEPROM Read OK)


Printout pattern NG

How to judge

Adjustment program Tool

OK NG

Examine the printout pattern and enter the number of the one with the least gap and overlap between the two different colored lines.

O ---

Note "*1": WF-7620/7110 Series only "*2": WF-7620/7610 Series only

Adjustment


59 Confidential


Revision B Table 3-3. Required Adjustment List 2 (Adjustment using the Adjustment Program)

Adjustment Type

Adjustment using the Adjustment Program

Priority

13

14

15

16

17

18

19

20

21

Adjustment Item

Paper skew adjustment

PF / EJ deterioration offset

PW Detector light quantity adjustment

CR motor heat protection control

PF motor heat protection control

ASF motor heat protection control*1

Scanner motor heat protection control*2

ADF motor heat protection control*2

PIS board check

To align print start position at 0- To reset the counter or set it to To correct the light quantity digit side with that at 80-digit its maximum according to the variations depending on the side in bidirectional band replaced parts factor such as sensor printing, timing of firing ink characteristics or installation droplet is adjusted through posture software control

Purpose

Cassette Assy 1st Cassette Assy 2nd Duplex Unit Cover Assy Duplex Unit Panel Unit ADF Unit

e m a N t r a P

ADF Motor Unit Scanner Unit Scanner Motor Assy

Remove Replace Remove Replace Remove Replace Remove Replace Remove Replace Remove Replace Remove Replace Remove Replace Remove Replace Remove

To measure and correct the electrical variation of each motor and the power supply board. (For Scanner motor and ADF motor, re-measurement preparation)

To check the light correction value (Duty) to check the time to replace the PIS

---------------------------------------

---------------------------------------

---------------------------------------

---------------------------------------

---------------------------------------

---------------------------------------

------------------------------O --O ---

----------------------O --O -----------

---------------------------------------

---

---

---

---

---

---

---

---

O

Replace Main Board Unit

(EEPROM Read OK)


O

O

O

O

O

O

O

O

O

Remove

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

O

O

O

O

O

O

O

O

O

O

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

---

O ---

O ---

O ---

O ---

O ---

O ---

O ---

O ---

Replace Main Board

(EEPROM Read OK)


Printout pattern NG

How to judge

Adjustment program Tool

OK NG

Examine the printout pattern and enter the number of the one with the least gap and overlap between the two different colored lines.

O ---

Note "*1": WF-7620/7110 Series only "*2": WF-7620/7610 Series only

Adjustment


59 Confidential


Revision B

3.2 Details of Adjustments This section provides adjustment procedures for which explanation in details is necessary. See "3.1 Required Adjustments (p53)" for the adjustments not explained here.

3.2.1 PF/CR Timing Belt Tension Measurement This section describes PF/CR Timing Belt tension measurement. 

Tools  



Sonic tension gauge Plastic tweezers

Adjustment procedure When PF/CR Timing Belt tension measurement, make sure of the following. 

Bring the microphone of the sonic tension gauge within 5 mm from the PF Timing Belt but do not let it touch the belt.



Flip the PF Timing Belt as weak as the sonic tension gauge can measure it.



Be careful not to damage the PF Timing belt when flipping it with the plastic tweezers.


Revision B

3.2 Details of Adjustments This section provides adjustment procedures for which explanation in details is necessary. See "3.1 Required Adjustments (p53)" for the adjustments not explained here.

3.2.1 PF/CR Timing Belt Tension Measurement This section describes PF/CR Timing Belt tension measurement. 

Tools  



Sonic tension gauge Plastic tweezers

Adjustment procedure When PF/CR Timing Belt tension measurement, make sure of the following.

Adjustment



Bring the microphone of the sonic tension gauge within 5 mm from the PF Timing Belt but do not let it touch the belt.



Flip the PF Timing Belt as weak as the sonic tension gauge can measure it.



Be careful not to damage the PF Timing belt when flipping it with the plastic tweezers.

Details of Adjustments

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3.2.1.1 PF Timing Belt Tension Measurement





If you have correctly reassembled the Printer Mechanism, the tension of the PF Timing Belt falls within the expected range.If the result of measurement of the PF Timing Belt tension explained in this section is out of standard, readjust the tension as instructed below.



The standard tension range of the PF Timing Belt: 15 ± 2 N

Measurement procedure

1. Set the following parameters to the sonic tension meter:   

Weight: Width: Span:

1.09 g/m 3 mm 73 mm

2. Bring the microphone of the sonic tension meter close to the position shown in Figure 3-1. 3. Press the “MEASURE” button of the sonic tension meter and flip the upper of the PF Timing Belt with plastic tweezers and measure the tension of the belt.  

Within the standard range: go to Step 4. Out of the standard range: perform the " PF Timing Belt Tension Adjustment (p62)".

4. Rotate the PF Roller Pulley one turn, and measure the tension at the measurement point shown in Figure 3-1.  


5. Rotate the PF Roller Pulley one turn, and measure the tension at the measurement point shown in Figure 3-1.  


6. PF Timing Belt tension measurement is complete. Left side

Measurement position

How to adjust PF Belt Tension Tension: lower

Tension: higher

PF Motor Plate

Within 5 mm

PF Timing Belt

Adjust the tension as shown above if it is out of standard.

Figure 3-1. PF Timing Belt Tension Measurement / Adjustment 

PF Timing Belt Tension Adjustment

1. Loosen the screws (x2) of the PF Motor Plate, and adjust the position referring to Figure 3-1. 2. Tighten the screws of the PF Motor Plate, and measure the tension again. 3. Repeat Step 1 and 2 until the value falls within the standard. 4. Go back to the previous step in the measurement procedure. Adjustment


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3.2.1.2 CR Timing Belt Tension Check 

This printer is designed so that the each tension of the CR Timing Belt fall within the expected range if you correctly reassemble the unit. However, deformation of any related part(s) can cause improper tension of the belt. In such case, replace the unit with a new/ refurbished one.



The standard tension range of the CR Timing Belt: 13 ± 2 N

1. Move the CR Unit back and forth between the 0-digit side and 130-digit side three times. 2. Move the CR Unit to the position on the left of the Ink System on the 0-digit side shown in Figure 3-2. 3. Set the following parameters to the sonic tension gauge:   

Weight: Width: Span:

9.9 g/m 3.25 mm 460 mm

4. Bring the microphone of the sonic tension meter close to the position shown in Figure 3-2. 5. Press the “MEASURE” button of the sonic tension meter and flip the upper of the CR Timing Belt with plastic tweezers and measure the tension of the belt.  

Within the standard range: CR Timing Belt tension measurement is complete. Out of the standard range: go to Step 6.

6. Measure the belt tension twice in the same way as described in Step 5.  

Within the standard range two times in a row CR Timing Belt tension check is complete. Either of the results is out of the standard range Any of the related parts may be deformed. Replace the Printer Mechanism, and then perform the CR Timing Belt tension Check again. CR Timing Belt

Measurement position

CR Unit

Within 5 mm

Figure 3-2. CR Timing Belt Tension Check

Adjustment


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3.2.2 PG Adjustment This section describes the procedure for the platen gap (PG) adjustment. 

The standard range of the PG is as follows: • Standard 0-digit side / 130-digit side: Center of the printer:





1.7 ± 0.1 mm 1.7 ± 0.2 mm

This adjustment should be carried out with the mechanism in the minimum PG position (PG1) before installing the CR Scale.

Tools   

Thickness gauge for PG adjustment 1.6 mm Thickness gauge for checking the Platen Gap 1.52 mm, 1.72 mm, 1.42 mm, 1.82 mm Teflon tape Commercial item (thickness: 0.08 mm)

3.2.2.1 PG Adjustment procedure START

" Preparation (p65)"

" Adjustment of the 0-digit side (p68)"



" Checking the Platen Gap (p70)"

No Is PG within standard?

Yes

PG adjustment is finished.

Figure 3-3. PG Adjustment Flow

Adjustment


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3.2.2.2 Preparation

This section describes how and what to prepare for the preparation before starting the PG adjustment. 

Modification of the thickness gauges 

The Printhead of this printer has an integral structure of the Printhead Cover and Printhead nozzle surface. Therefore, if the thickness gauge touches the nozzle surface in the same way as performed in the traditional procedure, the nozzle surface may be damaged. When performing the PG Adjustment or checking the platen gap, make sure to apply Teflon tape (thickness: 0.08 mm) on all the thickness gauges used for the adjustment or check in advance.



Use commercially available Teflon tape of 0.08 mm in thickness.



When applying Teflon tape on the thickness gauges, make sure no bubbles or foreign material remain under the tape.

[Foreign material]

[Bubbles] 

Application procedure of Teflon tape 1. Clean the surfaces of the thickness gauge using alcohol, and make sure no dirt or contamination remains on the surfaces. 2. Apply Teflon tape on the thickness gauge as shown below. Teflon tape

Thickness gauge

Figure 3-4. Modification of Thickness Gauge (1)

Adjustment


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3. Fold the excess portions of Teflon tape along the edges of the thickness gauge, and trim the portions at about the center in the thickness direction of the sides. thicknessgauge

Before trimming

Teflon tape

Thickness gauge After trimming Fold the tape at the edges and trim it at the center in the thickness direction.

Thickness gauge

Teflon tape

Figure 3-5. Modification of thickness gauge (2) When the Teflon tape is trimmed, the Teflon tape can be easily cut ut by guiding the gauge of half thickness.



Make sure to wear the heavy glove to prevent the cut the hand when the Teflon tape is cut.

4. Make sure any tears or burrs on the applied Teflon tape, then the modification of thickness gauges is complete.

Adjustment


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Revision B

APG Position Check Make sure the APG position is in the [PG1] position. 

How to check If it is in the [PG1] position, the lever of the APG transmission slider on the rear of the CR Unit cannot be seen. (See Figure 3-6.) Rear of CR Unit

Rear of CR Unit

OK

NG CR Unit CR Unit

Lever of APG transmission slider

Figure 3-6. APG Position Check

If the lever is in the NG condition shown in Figure 3-6, set it in the [PG1] position as follows. 1. Move the Carriage Assy to the center of the printer. 2. Rotate the gear on the APG Unit shown in Figure 3-7 in the direction of the arrow until the APG Lever comes out from the hole on the Main Frame. 3. Move the CR Unit to the 130-digit side until it touches the APG Lever. 4. Check the APG transmission slider is in the “OK” status shown in Figure 3-6. OK

APG Lever

NG

Gear of APG unit CR Guide Frame

Figure 3-7. APG Lever 

Confirmation of the PG adjustment cam positions Make sure the center of the notches on the PG adjustment cam on both sides of the printer is set to the rib of the frame. PG adj. cam R (0-digit side)

PG adj. cam L (130-digit side)

To PG: Max.

To + PG: Min.

Rib

To + PG: Min.

To PG: Max.

Rib

Figure 3-8. PG Adjustment Cams

Adjustment


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3.2.2.3 PG adjustment procedure When performing the PG adjustment, make sure of the following. 

Perform the PG adjustment with the new cartridges installed on the CR Unit before installing the CR Scale.



Move the CR Unit by pulling the top pf the CR timing belt.



Be careful not to damage the nozzle surface of the Printhead with the thickness gauge.



When make the Printhead touch the thickness gauge, be careful not to let the Printhead run onto the gauge.

Adjustment of the 0-digit side

1. Loosen the screws (x4) on the CR Guide Frame and the screws (x2) on the PG adjustment cams (L/R) on both sides of the printer. (See " CR Guide Frame Assy (w/CR Unit) (p44)" , Figure 3-9.) 2. Move the CR Unit in the middle of the printer, then place the 1.6 mm thickness gauge with Teflon tape applied at the position A shown in Figure 3-9. Center

130-digit side

0-digit side

A

B

C

Thickness gauge

Figure 3-9. Placement of the Thickness Gauge

3. Move the CR Unit to the thickness gauge and check if the CR Unit touches the gauge. If it touches the gauge, adjust the PG as follows. If not, go to the next step. 1. Bring the CR Unit back to the middle of the printer, and increment the PG adjustment cam on the 0-digit side by one notch. (See Figure 3-8.) 2. Move the CR Unit to the thickness gauge and check if the CR Unit touches the gauge. • When the CR Unit does not touch the thickness gauge Tighten the screw on the PG adjustment cam on the 0-digit side and go to " Adjustment of the 130-digit side (p69)". • When the CR Unit touches the thickness gauge Go back to Step 3-1 and try again.

4. Adjust the PG as follows. 1. Bring the CR Unit back to the middle of the printer, and increment the PG adjustment cam on the 0-digit side by one notch. (See Figure 3-8.) 2. Move the CR Unit to the thickness gauge and check if the CR Unit touches the gauge. • When the CR Unit touches the thickness gauge Increment the PG adjustment cam on the 0-digit side by one notch, then tighten the screw on the PG adjustment cam to secure it and go to" Adjustment of the 130-digit side (p69)". • When the CR Unit does not touch the thickness gauge Go back to Step 4-1 and try again.

Adjustment


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Adjustment of the 130-digit side

1. Move the CR Unit in the middle of the printer, then place the 1.6 mm thickness gauge with Teflon tape applied at the position B shown in Figure 3-9. 2. Move the CR Unit to the thickness gauge and check if the CR Unit touches the gauge. 3. If the CR Unit touches the gauge, adjust the PG as follows. If not, go to the next step. 1. Bring the CR Unit back to the middle of the printer, and increment the PG adjustment cam on the 130-digit side by one notch. (See Figure 3-8.) 2. Move the CR Unit to the thickness gauge and check if the CR Unit touches the gauge. •

•

When the CR Unit does not touch the thickness gauge Tighten the screw on the PG adjustment cam on the 130-digit side. Then confirm the PG on the 0-digit side is appropriate by performing " Adjustment of the 0-digit side (p68)" again, then go to "3.2.2.4 Checking the Platen Gap (p70)". When the CR Unit touches the thickness gauge Go back to Step 3-1 and try again.

4. If the CR Unit does not touch the thickness gauge, adjust the PG as follows. 1. Bring the CR Unit back to the middle of the printer, and increment the PG adjustment cam on the 130-digit side by one notch. (See Figure 3-8.) 2. Move the CR Unit to the thickness gauge and check if the CR Unit touches the gauge. •

•

Adjustment

When the CR Unit touches the thickness gauge Increment the PG adjustment cam on the 130-digit side by one notch and tighten the screw on the PG adjustment cam to secure it. Then confirm the PG on the 0-digit side is appropriate by performing " Adjustment of the 0-digit side (p68)" again, then go to "3.2.2.4 Checking the Platen Gap (p70)". When the CR Unit does not touch the thickness gauge Go back to Step 4-1 and try again.


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3.2.2.4 Checking the Platen Gap

Check the platen gap at the three points; on the 0-digit side, on the 130- digit side, and in the middle. The thickness gauges to be used differ according to the points to be checked. Therefore, use an appropriate thickness gauge in the order of checks referring to the table below. Table 3-4. Thickness gauges to be used and where to check Order

Where to check

1

0-digit side: Position A shown in Figure 3-9.

2

130-digit side: Position B shown in Figure 3-9.

3

In the middle: Position B shown in Figure 3-9.

Thickness gauge 1

Thickness gauge 2

1.52 mm

1.72 mm

1.42 mm

1.82 mm

Remarks

Actual thickness after Teflon tape is applied is the values on the left plus 0.08 mm in thickness.

1. Place the thickness gauge 1 on the positions shown in Table 3-4. 2. Move the CR Unit to the thickness gauge and check if the CR Unit touches the gauge. 



When the CR Unit touches the thickness gauge Bring the CR Unit back to the middle of the printer, and start from Step 1 of "3.2.2.3 PG adjustment procedure (p68)" again. When the CR Unit does not touch the thickness gauge Bring the CR Unit back to the middle of the printer and remove the thickness gauge, then go to Step 3.

3. Place the thickness gauge 2 on the positions shown in Table 3-4. 4. Move the CR Unit to the thickness gauge and check if the CR Unit touches the gauge.  

When the CR Unit touches the thickness gauge Bring the CR Unit back to the middle of the printer and remove the thickness gauge, then go to Step 5. When the CR Unit does not touch the thickness gauge Bring the CR Unit back to the middle of the printer, and start from Step 1 again.

5. When checking the PG at three points is complete, tighten the screws (x5) on the CR Guide Frame and the screw on the CR Scale Holder and CR Spacer to secure them. (See " CR Guide Frame Assy (w/CR Unit) (p44)".) 6. Remove all ink cartridges, then checking the platen gap is complete.

Adjustment


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3.2.3 Touch Panel Adjustment (WF-7620/7610 Series only) This section describes the Touch Panel adjustment 

Purpose To adjust the origin of the Touch Panel.



Tools Touch pen (without a sharp end such as a plastic stick) During in the Touch Panel Adjustment mode, operations such as menu selection can be done by pressing the following buttons on the panel. [3] [6] Moves up menu selection. Moves down menu selection.

Power

[Color] Enter

Figure 3-10. Panel Operation in Touch Panel Adjustment Mode 

Adjustment procedure

1. Start the printer in the Touch Panel Adjustment mode by turning it on with the [HOME] button (1), [*] (2), [Stop] (3), and [Power] button (4) on the panel simultaneously. 1

2

4

3

Figure 3-11. Touch Panel Adjustment (1)

2. On the displayed menu screen, select “4. Touch Screen Inspection” and press the [Color] button. Run:Color / Select:[3][6] 1.Mechanism Inspection 2.Special Inspection 3.FAX Inspection 4.Touch Screen Inspection 5.Development Mod e 6.FAX Development Mode 7.Nomal Mod e


Adjustment


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3. On the displayed menu screen, select “1. Touch Screen Calibration” and press the [Color] button. Run:Color / Select:[3][6] 1.Touch Screen Calibration 2.Touch PNL Measurement Mode


4. Press “Push this Area. [OK]” to display the adjustment screen. To abort the adjustment, press “Push this Area. [Cancel]”. Touch Panel to coordinate them.

Push this Area. [OK]

Push this Area. [Cancel]


5. Press “+” displayed on the four corners in order using the touch pen. << Please Touch


Adjustment


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6. When performing the adjustment again, press “Push this Area. [Cancel]” and start from Step 4 again. To save the adjustment result, press “Push this Area. [Save]”. Calibration Check

Push this Area. [Save]

Push this Area. [Cancel]


7. Press the areas within the red boxes (x5) using the Touch Pen. Touch Red Area


8. When “Complete!” appears on the LCD, press the [Color] button to finish the adjustment. Complete ! Push [Color] Button.


Adjustment


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9. If “Retry Check” appears on the LCD, press “Push this Area. [OK]” to start from Step 7 again. Retry Check

Push this Area. [OK]

3-19. Touch Panel Adjustment (9)

Adjustment


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CHAPTER 4

MAINTENANCE

Confidential

Epson WF-7620/7610/7110 series

Revision B

4.1 Cleaning 4.1.1 Cleaning the CR Unit In this product, ink may be attached on the CR Unit by structure of Printhead and CR Unit. So, head short circuit may arise due to ink attachment on the terminal of the head FFC when replacing the printhead.



This cleaning should be carried out only when replacing the printhead.



When installing the Printhead, make sure the Head FFC is not contaminated with ink beforehand.

Tool 





Cotton swab or soft dry dust-free cloth

Cleaning procedure

1. After pulling out the head FFC while holding the printhead from the carriage, confirm the ink attachment on the CR Unit.

2. If ink attached on the CR Unit, wipe it off with a cotton swab (or a soft dry dust-free cloth).

Maintenance

Cleaning

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4.1.2 Cleaning the Exterior Parts/inside of the printer This section describes how to clean the sections other than the carriage. 

Instructions for cleaning 

 



Exterior parts such as housing Wipe dirt off with a soft clean cloth moistened with water. For glossy or transparent parts, use of unwoven cloth is recommended to avoid scratching those parts. Inside of the printer Remove paper dust with a vacuum cleaner. Rubber or plastic rollers such as an Pickup Roller used to feed paper If paper dust adhered to the rollers decreases the frictional force of the rollers and the rollers cannot properly feed paper, wipe off the paper dust with a soft cloth moistened with diluted alc ohol.

Instructions for cleaning ink stains Wipe the stains off with a cloth wrung out of diluted alcohol. 

Do not use alcohol for cleaning the transparent parts. Doing so may cause them to get cloudy.  When wiping paper dust off the Pickup Roller/Middle Roller, be careful not to rub against the surface asperity.  To minimize the effect on the parts, use diluted alcohol such as 70% diluted ether.  After using alcohol for cleaning, make sure to wipe the part off with a soft dry dust-free cloth to remove alcohol traces fully.

Maintenance

Cleaning

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4.2 Lubrication The type and amount of the grease used to lubricate the printer parts are determined based on the results of the internal evaluations. Therefore, refer to "4.3 Lubrication Points and Instructions (p79)" for the repairing procedures below, and apply the specified type and amount of the grease to the specified part of the printer mechanism.  Grease



Type

Name

EPSON Part Code

Supplier

Grease

G-26

1080614

EPSON

Grease

G-45

1033657

EPSON

Grease

G-71

1480682

EPSON

Grease

G-72

1409258

EPSON

Grease

G-74

1409257

EPSON

Tools Name

Availability

EPSON Part Code

Injector

O*

---

Brush

O*

---

Flux dispenser

O*

1049533

Note *: Use tools whose specifications are specified in.

Maintenance

Lubrication

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EJ Roller

PF Roller

1. Contact point between the PF Roller Grounding Spring and EJ Roller 2. Contact point between the PF Roller and EJ Roller Grounding Spring

None ---

Paper Guide Middle

Paper Guide Middle

PF Roller

Contact points (x4) between the PF Roller and Paper Guide Middle G-71

PF Roller

φ 1 mm x 4 mm x 4 points

G-71

Apply with injector.

φ 1 mm x 1 mm Apply with injector.

Application Point

Application Point

Application Point

Figure 4-5. Lubrication of the PF Roller Grounding Spring / EJ Roller Grounding Spring

Cap Slider

Supplied as the Ink system Assy Lubricated


Contact surface of the Cap Slider (x4)

1. Grooves (x2) on the Valve Cam 2. Contact surfaces (x2) between the Ink System Assy and Valve Cam

Valve Cam

G-74 1 mm x 15 mm Cap Slider

1. Application Point 2. Application Point

Figure 4-7. Lubrication of the Ink system Assy (1)

Maintenance

Cam Slider

Supplied as the Ink system Assy Lubricated Shaft of the Gear Cover Gear Cover

G-71

G-71

Appropriate amount

1 mm x 1 mm

Apply with injector and spread all over the shaft.

 Apply with injector.

1. Appropriate amount (3mm x 15 mm) 2.Appropriate amount (2mm x 65mm)  Apply with Flux Dispenser.  Keep lubricant within the application area shown in the figure.  Stir G-74 before use.


Supplied as the Ink system Assy Lubricated Hooks (x4) on the Cam Slider

G-74

 Apply with brush.  Stir G-74 before use.

Application Point

Figure 4-6. Lubrication of the PF Roller

Application Point Application Point


Lubrication Points and Instructions


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Revision B None ---

EJ Roller

PF Roller

None ---

Paper Guide Middle

1. Contact point between the PF Roller Grounding Spring and EJ Roller 2. Contact point between the PF Roller and EJ Roller Grounding Spring

Paper Guide Middle

PF Roller

Contact points (x4) between the PF Roller and Paper Guide Middle G-71

PF Roller

φ 1 mm x 4 mm x 4 points

G-71

Apply with injector.

φ 1 mm x 1 mm Apply with injector.

Application Point

Application Point

Application Point

Figure 4-5. Lubrication of the PF Roller Grounding Spring / EJ Roller Grounding Spring

Cap Slider



Contact surface of the Cap Slider (x4)

1. Grooves (x2) on the Valve Cam 2. Contact surfaces (x2) between the Ink System Assy and Valve Cam

Valve Cam

G-74 1 mm x 15 mm

1. Application Point 2. Application Point

Application Point


Cam Slider

Maintenance


Hooks (x4) on the Cam Slider

Shaft of the Gear Cover Gear Cover

G-71 Appropriate amount

1 mm x 1 mm

Apply with injector and spread all over the shaft.

 Apply with injector.

1. Appropriate amount (3mm x 15 mm) 2.Appropriate amount (2mm x 65mm)  Apply with Flux Dispenser.  Keep lubricant within the application area shown in the figure.  Stir G-74 before use.



G-71

G-74

 Apply with brush.  Stir G-74 before use.

Cap Slider

Figure 4-6. Lubrication of the PF Roller





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CR Unit

Revision B None ---

CR Guide Frame

CR Guide Frame

②

2 to 3 times

③

① ④

1. 2. 3. 4. 5. Contact surface (x5) between the CR Guide Frame and the CR Unit 5. Contact surface (x1) between the Front Frame and the CR Unit

Front Front Side

Contact points (x4) between the Main Frame and D/E Lever

CR Unit

Cutout

 Apply with injector.  Lubricate on the inside of the cutout and on the printer's front side of the Main Frame.

3. 4. φ 1 mm x 0.4g / 460mm

Front Frame

5. φ 1 mm x 0.8g / 460mm  1. 5. Apply with injector on the entire route once.  Apply with injector.  After application, move the CR Unit to both ends two to three times to spread the grease.

⑤

Pickup Assy

Bearings for the Pickup Roller on the Pickup Assy G-74

Appropriate amount (10 mm) x 4 points

1. φ 1 mm x 1.2g / 460mm 2. φ 1 mm x 0.6g / 460mm

Front Frame

Pickup Assy 1st: None Pickup Assy 2nd: Supplied as the Frame Base 2nd Assy Lubricated

G-71

G-71 Application Point

None ---

Main Frame

Application Point

Appropriate amount (6 mm x inner circumferences of bearings)

Application Point

 Apply with Flux Dispenser.  Stir G-74 before use.  Spread all over the inner circumference for lubrication


Figure 4-12. Lubrication of the Main Frame

Figure 4-11. Lubrication of the CR Guide Frame / Front Frame

Figure 4-13. Lubrication of the Pickup Assy 1st / Pickup Assy 2nd

Supplied as the Duplex Unit Assy Lubricated 1. Bearings (x4) of the intermediate rollers 2. Shafts (x2) to set gears 3. Gear Shaft (x2) G-71

3 mm wide

1. φ 1 mm x half of the circumference (0.052g) 2. φ 1 mm x 10mm (0.014g) 3. φ 1 mm x circumference (0.38g)  Apply with injector.

1. Application Point 2. Application Point 3. Application Point

Figure 4-14. Lubrication of the Duplex Unit

Maintenance


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CR Unit

Revision B None ---

CR Guide Frame

CR Guide Frame

②

2 to 3 times

③

① ④

1. 2. 3. 4. 5. Contact surface (x5) between the CR Guide Frame and the CR Unit 5. Contact surface (x1) between the Front Frame and the CR Unit

Front Front Side

Contact points (x4) between the Main Frame and D/E Lever

CR Unit

 Apply with injector.  Lubricate on the inside of the cutout and on the printer's front side of the Main Frame.

3. 4. φ 1 mm x 0.4g / 460mm

Front Frame

5. φ 1 mm x 0.8g / 460mm  1. 5. Apply with injector on the entire route once.  Apply with injector.  After application, move the CR Unit to both ends two to three times to spread the grease.

⑤

Pickup Assy

Bearings for the Pickup Roller on the Pickup Assy G-74

Appropriate amount (10 mm) x 4 points

1. φ 1 mm x 1.2g / 460mm 2. φ 1 mm x 0.6g / 460mm

Front Frame

Pickup Assy 1st: None Pickup Assy 2nd: Supplied as the Frame Base 2nd Assy Lubricated

G-71

Cutout

G-71 Application Point

None ---

Main Frame

Application Point

Appropriate amount (6 mm x inner circumferences of bearings)

Application Point

 Apply with Flux Dispenser.  Stir G-74 before use.  Spread all over the inner circumference for lubrication


Figure 4-12. Lubrication of the Main Frame

Figure 4-11. Lubrication of the CR Guide Frame / Front Frame

Figure 4-13. Lubrication of the Pickup Assy 1st / Pickup Assy 2nd

Supplied as the Duplex Unit Assy Lubricated 1. Bearings (x4) of the intermediate rollers 2. Shafts (x2) to set gears 3. Gear Shaft (x2) G-71

3 mm wide

1. φ 1 mm x half of the circumference (0.052g) 2. φ 1 mm x 10mm (0.014g) 3. φ 1 mm x circumference (0.38g)  Apply with injector.

1. Application Point 2. Application Point 3. Application Point

Figure 4-14. Lubrication of the Duplex Unit

Maintenance


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4.4 Firmware Update This section describes how to update the firmware of the printer. 

The start-up method of the firmware update mode differs depending on the panel type mounted on the printer, so refer to the appropriate start-up method.



If any error occurs during a firmware update and all LEDs light, disconnect the power cable and update it again.

Firmware update procedure 

Case of WF-7620/WF-7610 series

1. From a Power-off status, push “Power on button” while pushing “Home button”, “No.1 button” and “Stop button” (Until a message is displayed on the LCD)

Power on button

Home button

No.1 button

The following message is displayed on the LCD and all LEDs light.

Stop button


Revision B

4.4 Firmware Update This section describes how to update the firmware of the printer. 

The start-up method of the firmware update mode differs depending on the panel type mounted on the printer, so refer to the appropriate start-up method.



If any error occurs during a firmware update and all LEDs light, disconnect the power cable and update it again.

Firmware update procedure 

Case of WF-7620/WF-7610 series

1. From a Power-off status, push “Power on button” while pushing “Home button”, “No.1 button” and “Stop button” (Until a message is displayed on the LCD)

Power on button

Home button

No.1 button

Stop button


EPSON PRINTER ROM

Program Update Mode

IPLx

2. Start the exclusive firmware update program and select the latest firmware data to rewrite it. 3. After the firmware update is completed and the following message is displayed and also all LEDs light, push “No.0 button” to turn off the printer.

Program Update Mode FINISHED ROM1 FIXSUM xxxx ROM1 VERSION xxxx ROM2 FIXSUM xxxx ROM2 VERSION xx.xx.xxx ROM3 FIXSUM xxxx ROM3 VERSION xxxxx


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Revision B

Case of WF-7110 series

1. From a power-off status, push “Power on button” while pushing “Paper setup button”, “Left button” and “Stop button”. (Until a message is displayed on the LCD)

Power on button

Paper setup button

Left button

Stop button


EPSON ROM : IPLF Program Update

2. Start the exclusive firmware update program and select the latest firmware data to rewrite it. 3. After the firmware update is completed and the following message is displayed, push “OK button” to turn off the printer.

SUM xxxx/xxxx VER ASxxxx/xx.xx


83 Confidential

CHAPTER 5

APPENDIX

Confidential


Revision B

5.1 Connector Diagram Cable connections of this printer are shown below. Panel Unit

CR Unit CSIC B

Panel Board

Relay Board CN2

M

Y

C

CR Contact Module

Printhead

CN2

CR Encoder Board

CN1

CN21

PW Sensor

CN1

CN44

FAX Board

CN20

CN41

CN42

CN43

CN5 CN53

Cover Open Sensor

CR Motor

CN30

APG Sensor

CN59

PE Sensor

CN52

CN4

SD card

Duplex Unit Cover Open Sensor

CN60

CN2

USB cable

PF Encoder Sensor

CN51

PF Motor

CN31 CN34

APG Motor

CN35

ASF Motor

CN54

ASF Encoder Sensor

CN57

Frame Base 2nd Assy Paper Stopper sensor

CN56

ASF PE Sensor

CN55

Paper Stopper Sensor

CN45

PIS Sensor

ADF Unit ADF Encoder Sensor

CN73

ADF plunger

CN77

ADF PE Sensor

CN71

Paper Support Encoder Sensor

CN76

ADF Motor

CN33

ADF Document Sensor

CN72

Main Board

Scanner Unit Scanner Open Sensor

CN74

Scanner Motor

CN32 CN501

CIS Module

CN9

CN70

J220

PS Board

Wireless LAN Module AC in

Figure 5-1. Connector Diagram

Appendix

Connector Diagram

85 Confidential

Epson_WF-7620_WF-7610_WF-7110

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