Cis Positioning Error. (Home Positioning Failed); Black Level Data Error In Scanning - Brother DCPJ525W Service Manual

Error Code AF
Unable to Scan AF

CIS positioning error. (Home positioning failed)

Step
1 Document scanner motor harness
connection failure
2 Document scanner unit defective
3 Main PCB defective
Error Code BD
Unable to Scan BD

Black level data error in scanning.

Step
1 Black level data failure
2 White reference film stained
3 Main PCB defective
Cause
Check the connection and reconnect the harness.
Replace the document scanner unit.
Replace the main PCB ASSY.
Cause
Use Function code 55.
Refer to
Replace the document scanner unit.
Replace the main PCB ASSY.
2-53
Solution
Solution
Chapter 5, Section 1.4.16.
LCD
LCD
Confidential