Troubleshooting For Document Feeding Problems; No Document Is Fed; Multiple Documents Are Fed; Document Jam - Brother DCP-L5500D Service Manual

4.11 Troubleshooting for Document Feeding Problems

4.11.1 No document is fed

<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
Document detection actuator
1
coming off
Connection failure of ADF motor
2
harness
Boss to push the ADF cover sensor
3
of the ADF cover
Document separate roller failure
4
5 Damaged ADF drive gear
6 Main PCB failure

4.11.2 Multiple documents are fed

<User Check>
• Check that paper used for the document is not thinner than 64 g/m
Step
1 Abrasion of ADF separation pad

4.11.3 Document jam

 Paper jam in the ADF cover
<User Check>
• Check that the paper used for the document is not thinner than 64 g/m
• 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
Foreign object inside the area
1
around ADF cover
2 Document pinch roller 1 coming off Reattach the document pinch roller 1.
3 ADF cover sensor failure
4 Main PCB failure
Cause
Reattach the document detection actuator.
Check the connection of the ADF motor
harness, and reconnect it if necessary.
Replace the ADF cover ASSY.
Replace the document separate roller
ASSY.
Replace the ADF unit.
Replace the main PCB ASSY.
Cause
Replace the ADF unit.
Cause
Remove foreign objects inside the area
around the ADF cover.
Replace the ADF unit.
Replace the main PCB ASSY.
2-115
Remedy
2
.
Remedy
2
.
Remedy
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