Brother ADS-2000 Service Manual page 42

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