Brother DCP-8157DN

2-95
Confidential
 Completely blank
 Vertical streaks
 Vertical streaks
<User Check>
- Check that the document is not reversed.
- Check that the document is set in the ADF correctly.
Step Cause Remedy
1 Incorrect white level correction data Execute function code 55.
2
First side CIS unit or second side
CIS unit failure
Replace the first side CIS unit or second
side CIS unit.
3 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Clean the document glass or the ADF glass.
- Clean the first side document hold or second side
document hold.
Step Cause Remedy
1
First side CIS unit or second side
CIS unit failure
Replace the first side CIS unit or second
side CIS unit.
<User Check>
- Clean the document glass or the ADF glass.
- Clean the first side document hold or second side document hold.
Step Cause Remedy
1
First side CIS unit or second side
CIS unit failure
Replace the first side CIS unit or second
side CIS unit.