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RTB No.: RD144072 : Parts component change of Fusing sleeve belt unit
Page Page 1 of 4
Introduction to Global Knowledgebase pages Product US Ri Ric coh Co Colo lorr Mu Mult ltif ifun unct ctio ion n Af ic io MP C4502/A/G, C5502/A/G
RTB No.: RD144072 : Parts component change of Fusing sleeve belt unit Published 03/13/2013 03:14 AM | Answer ID 171806 | Rank A2
Updated 12/16/2014 11:54 PM
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Parts component change of Fusing sleeve belt unit Important Notes about Replacing the Fusing B elt Unit
• Some parts were added to the fusing belt unit, and part numbers were changed as shown below. • In accordance with this change, do the steps described below whenever you replace the fusing belt unit. • Do not touch the fusing belt. When you touch the fusing belt even though it is very soft, the touch may damage the fusing belt, and SC544/SC554 may occur some hundreds pages or several tens kilo pages later than t he replacement. Old part number
F or EU/AA/CHN models O/O O/O For For TWN TWN mode modell
Changes:
• A unit detection fuse is now bundled together with the unit (see photo below). • Two oil absorption pads pads were added to the fusing unit (see (see photo below). Reason:
• With the new fuse, SC544/SC554/SC564/SC574 can all be reset without replacing the entire fusing unit.
• The pads will prevent prevent oil from from leaking leaking from the fusing belt. belt. Note: This oil is used to moisten the fiber sheet that coats the nip pad in the fusing belt unit.
When When replacing the fusing belt uni t:
RTB No.: RD144072 : Parts component change of Fusing sleeve belt unit
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1) Do the followi ng when you remove the protective paper from the fusing belt. Note: This is necessary because it is possible to press the belt by mistake or press the belt's surface, forming a dent on the belt. This
is a major cause of SC544/SC554.
1. Hold the lateral metal stays, and pinch the tape on the paper gently as shown. IMPORTANT: Be careful not to press the fusing belt surface.
2.
Peel of the tape very carefully, pulling the tape up in a vertical direction (90 degrees to the belt surface).
To Top 2) Do the follo wing if y ou are replacin g the fu sing belt un it i n ord er to cl ear SC544/SC554/SC564/SC574. IMPORTA NT:
Only attach the new detection fuse if you are replacing the fusing belt unit to clear one of the SCs listed above. If you install this new fuse but none of these SCs has occurred, the PM counters for the fusing unit, pressure roller, and others will not be reset properly.
RTB No.: RD144072 : Parts component change of Fusing sleeve belt unit
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1. Release the three harnesses from the hook, as shown.
2. Remove the connector from the hook and attach the new detection fuse as shown.
3. Set the fuse into the hook, so that it rests within the edge of the metal frame.
4. Change SP3-902-018 to a value of "1". Note:
This step should be done before or shortly after you replace the fusing sleeve belt unit, even if you are attaching a new unit detection fuse. This is because if the machine detects the new unit detection fuse, the machine does not reset the PM counter while SC544/SC554/SC564/SC574 is occurring. 3) Do the followin g to attach (or replace) the two oil absorpti on felt strips included with the unit.
1. Remove the old oil absorption felt, if present. 2. Wipe the attachment surface for the felt with an alcohol-wetted cloth. Note: If you do not wipe this area properly, the new felt will not adhere to the cover.
RTB No.: RD144072 : Parts component change of Fusing sleeve belt unit
3. Attach the oil absorption felt strips to the fusing lower cover, as shown. Important: Attach the felt strips in alignment with lines A-D shown below
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