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4.11 Troubleshooting for Document Feeding Problems
4.11.1 No document is fed
4.11.2 Multiple documents are fed
4.11.3 Document jam
Paper jam in the ADF cover
<User Check>
• Set the document properly and check that the display on the LCD changes.
• Check that the number of paper set has not exceeded the upper limit in the paper tray.
• Check that the ADF cover is closed correctly.
Step Cause Remedy
1
Document detection actuator
coming off
Reattach the document detection actuator.
2
Connection failure of ADF motor
harness
Check the connection of the ADF motor
harness, and reconnect it if necessary.
3
Boss to push the ADF cover sensor
of the ADF cover
Replace the ADF cover ASSY.
4
Document separate roller failure Replace the document separate roller
ASSY.
5 Damaged ADF drive gear Replace the ADF unit.
6 Main PCB failure Replace the main PCB ASSY.
<User Check>
• Check that paper used for the document is not thinner than 64 g/m
2
.
Step Cause Remedy
1 Abrasion of ADF separation pad Replace the ADF unit.
<User Check>
• Check that the paper used for the document is not thinner than 64 g/m
2
.
• Check that the paper used for the document is not shorter than 147.3 mm.
• Check that the number of paper set has not exceeded the upper limit in the paper tray.
• Check that the ADF cover is closed correctly.
Step Cause Remedy
1
Foreign object inside the area
around ADF cover
Remove foreign objects inside the area
around the ADF cover.
2 Document pinch roller 1 coming off Reattach the document pinch roller 1.
3 ADF cover sensor failure Replace the ADF unit.
4 Main PCB failure Replace the main PCB ASSY.
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