Faulty Registration - Brother DCP-7080 Service Manual

 Faulty registration
(1) ADF
Step
Deviation of the scanning start
1
position
First side document scanning
2 position actuator caught in some
sections of the machine
Second side document scanning
3 position actuator caught in some
sections of the machine
(2) Document scanner unit
Step
Deviation of the scanning start
1
position
2 First side CIS unit failure
 Dark
Step
Incorrect white level correction data Execute "Acquire white level data
1
First or second side CIS unit failure Replace the first or second side CIS unit.
2
Main PCB failure
3
Cause
Cause
<User Check>
- Check that the contrast setting is not too dark.
- Clean the document hold.
Cause
2-90
Remedy
Execute "Fine adjustment of scan start
position. (function code:
Reattach the first side document scanning
position actuator.
Reattach the second side document
scanning position actuator.
Remedy
Execute "Fine adjustment of scan start
position. (function code:
Replace the first side CIS unit.
Remedy
code: 55)".
Replace the main PCB ASSY.
54)".
54)".
(function
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