Brother DCP-L5500D Service Manual page 154

 Faulty registration
(1) ADF
Step
Deviation of the scanning start
1
position
Document scanning position
2 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
2 First or second side CIS unit failure Replace the first or second side CIS unit.
3 Main PCB failure
Cause
Cause
<User Check>
• Check that the contrast setting is not too dark.
• Clean the document hold.
Cause
2-119
Remedy
Execute "Fine adjustment of scan start
position. (function code:
Reattach the 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
Confidential