Troubleshooting For Document Paper Feeding Problems; No Document Is Fed; Multiple Documents Are Fed; Document Becomes Jammed - Brother DCP-1510 Service Manual

4.10 Troubleshooting for Document Paper Feeding Problems

4.10.1 No document is fed

<User Check>
- Set the document properly and check that the display on the LCD changes.
- Check that the number of documents set is within the standard.
Step
Document detection actuator
1
coming off
ADF bevel gear ASSY attachment
2
failure
Connection failure of the ADF
3
sensor PCB harness
Document separate roller failure
4
5 ADF sensor failure
6 Main PCB failure

4.10.2 Multiple documents are fed

<User Check>
- Check that paper used for the document is not thinner than the standard.
Step
1 Abrasion of the ADF separation pad Replace the ADF separation pad ASSY.

4.10.3 Document becomes jammed

Document jam in the ADF cover
<User Check>
- Check that paper used for the document is not thinner than the standard.
- Check that paper used for the document is not shorter than the standard.
- Check that the number of documents set is within the standard.
Step
Foreign object in the document
1
chute.
Document scanning position
2
actuator coming off
3 Document pinch roller coming off
Connection failure of the ADF
4
sensor PCB harness
Document scanning position
5
sensor failure
Abrasion of the document feed
6
roller
7 Main PCB failure
Cause
Reattach the document detection actuator.
Reattach the ADF bevel gear ASSY.
Reconnect the ADF sensor PCB harness.
Replace the document separate roller
holder ASSY.
Replace the ADF sensor PCB ASSY.
Replace the main PCB ASSY.
Cause
Cause
Remove the foreign object.
Reattach the document scanning position
actuator.
Reattach the document pinch roller.
Reconnect the ADF sensor PCB harness.
Replace the ADF sensor PCB ASSY.
Replace the ADF unit.
Replace the main PCB ASSY.
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Remedy
Remedy
Remedy
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