Document Becomes Wrinkled; Document Size Is Not Detected Correctly - Brother DCP-7080 Service Manual

 Paper jam in the paper eject section of the ADF
Step
Foreign object in the ADF
1
document eject path
Document pinch roller coming off
2
Abrasion of document ejection
3
roller ASSY
Main PCB failure
4

4.11.4 Document becomes wrinkled

<User Check>
- Check that the document guide is adjusted to suit the document size.
- Check that the document is not curled.
Step
Abrasion of document separate
1
roller
Abrasion of document feed roller
2

4.11.5 Document size is not detected correctly

<User Check>
- Check that the document size is within the standard.
Step
Document scanning position
1 actuator caught in some sections of
the machine
ADF motor failure
2
Main PCB failure
3
Cause
Remove foreign objects in the ADF
document eject path.
Reattach the document pinch roller.
Replace the ADF unit.
Replace the main PCB ASSY.
Cause
Replace the document separate roller
ASSY.
Replace the document feed roller ASSY 1.
Cause
Reattach the document scanning position
actuator.
Replace the ADF motor.
Replace the main PCB ASSY.
2-88
Remedy
Remedy
Remedy
Confidential