Samsung Laser Scx 4600 Scx 4623 Service Manual Free

Service Manual

Mono Laser MFP SCX-4600/SCX-4623 series SCX-4600/4623F /FN /FW

t c u d o r P f o e t o

1. Print / Copy Speed • 22 ppm in letter

2. Processor • Jupiter5 375 Mhz 3. Printer Language Emulations • SPL, PCL-5 (4623FW)

5. Interfaces • One USB port • One 10/100 Base TX network connector (4623FN) • One One 802.11b/g/n 802.11b/g/n wireless wireless module (4623FW) (4623FW) 6. Toner cartridge • Initial : 0.7K / 1K • Sales : 1.5K / 2.5K two types

C o nte nts

chapter 1 Precautions 1.1 Safety Warning ……………………………………………………

1-1

1.2 Caution for safety …………………………………………………

1-2

1.2.1 Toxic material …………………………………………………

1-2

1.2.2 Electric Shock and Fire Safety Precautions ……………… 1-2 1.2.3 Handling Precautions ………………………………………

1-3

1.2.4 Assembly / Disassembly Precautions ………………………

1-3

1.2.5 Disregarding this warning may cause bodily injury ……… 1-4 1.3 ESD Precautions …………………………………………………

1-5

chapter 2 Product Overview 2.1 Product Specications ……………………………………………

2-1

2.1.1 Product Overview ……………………………………………

2-1

2.1.2 Specications …………………………………………………

2-2

2.1.3 Model Mode l Comparison Table ……………………………………

2-9

2.2 System Overview …………………………………………………

2-10

2.2.1 Front View ……………………………………………………

2-10

2.2.2 Rear View ……………………………………………………

2-11

2.2.3 System Layout ………………………………………………

2-12

2.2.4 Engine H/W Specications …………………………………

2-19

2.2.5 Engine F/W Contol Algorithm ………………………………

2-28

2.2.6 S/W Descriptions ……………………………………………

2-30

chapter 3 Maintenance and Disassembly 3.1 Precautions when replacing parts ………………………………

3-1

3.1.1 Precautions when assembling and disassembling ……… 3-1 3.1.2 Preautions when handling PBA ……………………………

3-1

3.1.3 Releasing Plastic Latches …………………………………

3-1

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3.2 Screws used in the printer ………………………………………

3-2

3.3 Cover ………………………………………………………………

3-4

3.3.1 Front Cover …………………………………………………

3-4

3.3.2 Rear Cover ……………………………………………………

3-4

3.3.3 Right/Left Cover ……………………………………………

3-5

3.4 Scanner and ADF …………………………………………………

3-6

3.4.1 ADF unit ………………………………………………………

3-6

3.4.2 ADF roller ……………………………………………………

3-7

3.4.3 OPE Unit………………………………………………………

3-8

3.4.4 Platen unit ……………………………………………………

3-8

3.4.5 CIS unit ………………………………………………………

3-9

3.5 Middle Cover ……………………………………………………… ………………………………………………………

3-10

3.6 Fuser Unit …………………………………………………………

3-12

3.6.1 Whole Fuser Unit ……………………………………………

3-12

3.6.2 Main Service parts of Fuser Unit …………………………

3-13

3.6.3 Replacing the Main Service part of Fuser Unit …………… 3-15 3.7 LSU …………………………………………………………………

3-22

3.8 Main PBA …………………………………………………………

3-24

3.9 Drive unit …………………………………………………………

3-25

3.10 Solenoid …………………………………………………………

3-26

3.11 FAN ………………………………………………………………

3-26

3.12 Transfer Roller …………………………………………………

3-27

3.13 SMPS/HVPS board ……………………………………………

3-28

3.14 Pick up roller ……………………………………………………

3-30

3.15 Cassette holder pad ……………………………………………

3-30

3.16 Wireless LAN PBA (Only SCX-4623FW) ……………………

3-31

chapter 4 Alignmen Alignmentt and Troublesh Troubleshooting ooting 4.1 Alignment and Adjustments Adjustments ………………………………………

4-1

4.1.1 Control Panel …………………………………………………

4-1

4.1.2 Understanding Understanding the Status LED ……………………………

4-4

4.1.3 JAM Removal ………………………………………………

4-4

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4.1.4 Paper Path ……………………………………………………

4-10

4.1.5 Menu Map ……………………………………………………

4-11

4.1.6 Tech Tech Mode ……………………………………………………

4-12

4.1.7 EDC Mode ……………………………………………………

4-19

4.1.8 Firmware Upgrade …………………………………………

4-22

4.1.9 Periodic Defective Defective Image ……………………………………

4-23

4.1.10 Error Message ………………………………………………

4-24

4.2 Troubleshooting……………………………………………………

4-28

4.2.1 Procedure of Checking the Symptoms ……………………

4-28

4.2.2 The cause and solution of Bad image ……………………

4-29

4.2.3 The cause and solution of the bad discharge …………… 4-45 4.2.4 The cause and solution of the malfunction ……………… 4-52 4.2.5 The cause and solutions of bad environment of the software …………………………

4-61

4.2.6 Fax & Phone Problems ……………………………………

4-64

4.2.7 Copy Problems ………………………………………………

4-73

4.2.8 Scanning Problems …………………………………………

4-77

4.2.9 Fuser F user Problems and solutions ……………………………

4-80

chapter 5 System Diagram 5.1 Block Diagram ……………………………………………………

5-1

5.2 Connection Diagram………………………………………………

5-2

FW Connection Diagram …………………………………………

5-3

chapter 6 Reference Information 6.1 Tool for Troubleshooting …………………………………………

6-1

6.2 Acronyms and Abbreviations Abbreviation s ……………………………………

6-2

6.2.1 Acronyms ……………………………………………………

6-2

6.2.2 Service Parts …………………………………………………

6-4

6.3 The Sample Pattern for the Test …………………………………

6-8

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6.3.1 A4 ISO 19752 Standard Pattern ……………………………

6-8

6.4 Selecting a location location ………………………………………………

6-9

attached Exploded Views & Parts List-OK

Al ig nm ent and Trou bl esh oo ti ng

4. Alignment Ali gnment and Troubleshoot rou bleshooting ing 4.1 4.1 Alig nment and Adj ustm ents This chapter describes the main functions for servicing the equipment, such as the product maintenance method, image quality proper repair procedures, jam removal procedures, and so on.

4.1.1 Control Panel ■ SCX-4623 Series This control panel may differ from your machine depending on its model.

1

ID Copy

You can copy both sides of an ID Card such as a driver’s license to a single side of paper.

2

WPS

If your wireless access point supports Wi-Fi Protected Setup™(WPS), you can confgure the machine easily without a compurter.

3

Display

Shows the current status and prompts during an operation.

4

Wi r el es s

Shows the status of wireless network. When the LED on, the machine is connected wirelessly. wirelessly.

5

Status

Shows the status of your machine.

6

(Fax)

Activates fax mode.

7

(Co p y )

Activates copy mode.

8

(Scan)

Activates scan mode.

9

A rro w

Scroll through the options available in the selected menu, and increase or decrease values.

s s e ExplodedView ExplodedView and Parts Lis t i r e e i s r 3 2 e 6 4 s / 0 0 Power Cord ……………………………………………………………… 4 3 6 4 -2 Thumbnail ………………………………………………………………… 5 X 6 C 1. MAIN …………………………………………………………………… 7 S -4 / g …………………………………………… …………………………… …………………… ……… 9 0 2. COVER …………………………… o l a t 0 3. COVER-MIDDLE ASSY ……………………………………………… 11 a 6 4. COVER FRONT C ……………………………………………………… 13 s 4 t r a 5. COVER REAR ………………………………………………………… 15 P X C 6. FRAME BASE-LOWER ……………………………………………… 17 …………………………………………… 21 S 7. DRIVE MAIN-BRACKET… - 8. FRAME BASE-PICK UP ……………………………………………… 23 g 9. FUSER ………………………………………………………………… 25 o l 10. CASSETTE …………………………………………………………… 27 a t 11. SCANNER_4 in 1 …………………………………………………… 29 a C 12. SCANNER_3 in 1 …………………………………………………… 31 s rt a P

13. COVER-PLATEN

…………………………………………………… 33

14. OPE_4 in 1 …………………………………………………………… 35 15. OPE_3 in 1 …………………………………………………………… 37 16. PLATEN-LOW END ………………………………………………… 39 17. PLATEN-LOWER_4 in 1 …………………………………………… 41 18. PLATEN-LOWER_3 in 1 …………………………………………… 43 19. PLATEN-UPPER_4 in 1

…………………………………………… 45

20. PLATEN-UPPER_3 in 1

…………………………………………… 47

21. PLATEN-SHEET

…………………………………………………… 49

22. ASSY_ADF_BASE ASSY_ADF_BASE

………………………………………………… 51

23. ASSY-INPUT-TRAY

………………………………………………… 53

24. ASSY_ADF_COVER ASSY_ADF_COVER ………………………………………………… 55 25. ASSY_PAPER-PATH ASSY_PAPER-PATH ………………………………………………… 57 26. ASSY_DRIVING_MODULE ………………………………………… 59

3

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Samsung Laser Scx 4600 Scx 4623 Service Manual Free

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