Brother MFC-7380

2-91
Confidential
 Completely blank
 All black
<User Check>
- Check that the document is not reversed.
Step Cause Remedy
1
Incorrect white level correction data Execute "Acquire white level data (function
code: 55)".
2
First or second side CIS unit failure Replace the first or second side CIS unit.
3
Main PCB failure Replace the main PCB ASSY.
<User Check>
- Install all the latest firmwares.
Step Cause Remedy
1
Incorrect white level correction data Execute "Acquire white level data (function
code: 55)".
2
First or second side CIS unit failure Replace the first or second side CIS unit.
3
Main PCB failure Replace the main PCB ASSY.