Brother DCP-8110DN Service Manual page 139

Faulty registration
(1) ADF
Step
First side document scanning
1 position actuator caught in some
sections of the machine
Second side document scanning
2 position actuator caught in some
sections of the machine
(2) Document scanner unit
Step
1 First side CIS unit failure
Dark or bluish white
<User Check>
- Check that the contrast setting is not too dark.
Step
1 Incorrect white level correction data Execute function code 55.
First side CIS unit or second side
2
CIS unit failure
3 Main PCB failure
Cause
Cause
Cause
Replace the first side CIS unit or second
side CIS unit.
Replace the main PCB ASSY.
2-94
Remedy
Reattach the first side document scanning
position actuator.
Reattach the second side document
scanning position actuator.
Remedy
Replace the first side CIS unit.
Remedy
Confidential