Brother ADS-2000e, Service Manual

Page: 42 / 124

2-18
Confidential
„
Faulty registration
„ Dark or bluish white
„ Completely blank
Step Cause Remedy
1
Document scanning position
actuator caught in a section of the
machine Reattach the document scanning position
actuator.
<User Check>
- Check that the contrast setting is not too dark.
Step Cause Remedy
1
Incorrect white level correction data Execute the maintenance mode function
"Acquire white level data and set CIS scan
area".
2
First side or second side CIS unit
failure Replace the first side or second side CIS
unit.
3 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Check that the document is not reversed.
- Check that the document is set in the document tray correctly.
Step Cause Remedy
1
Incorrect white level correction data Execute the maintenance mode function
"Acquire white level data and set CIS scan
area".
2
First side or second side CIS unit
failure Replace the first side or second side CIS
unit.
3 Main PCB failure Replace the main PCB ASSY.