Other Scanning Problems - Brother DCPJ525W Service Manual

4.7.3 Other scanning problems

CIS unit in the document scanner unit does not move
Step
1 Document scanner motor harness
connection failure
2 Document scanner motor
defective
3 Main PCB defective
Abnormal noise from document scanner unit
Step
1 Document scanner unit defective
ADF scanning impossible
Step
1 Document scanner motor harness
connection failure
2 Document scanner motor
defective
3 ADF unit defective
4 Main PCB defective
Cause
Check the connection and reconnect the harness.
Replace the document scanner unit.
Replace the main PCB ASSY.
Cause
Replace the document scanner unit.
Cause
Check the connection and reconnect the harness.
Replace the document scanner unit.
Replace the ADF unit.
Replace the main PCB ASSY.
2-85
Solution
Solution
Solution
Confidential