Brother MFC-J2320 Service Manual page 123

Scanning position failure

(1) ADF
Step
1 Scanning start position out of
alignment
2 First side or second side
document scanning position
actuator caught on the
surrounding parts
(2) Document scanner unit
Step
1 Scanning start position out of
alignment
2 First side CIS unit defective
Dark

Step
1 White/black level correction
data failure
2 First side or second side CIS
unit defective
3 Main PCB defective
User Check
- Check that the document is placed correctly
on the document cover.
Cause
Carry out maintenance 54 to adjust the
scanning start position.
Set the first side or second side document
scanning position actuator into place.
Cause
Carry out maintenance 54 to adjust the
scanning start position.
Replace the first side CIS unit.
User Check
- Check if the contrast is set to "Dark."
Cause
Carry out maintenance 55.
Replace the first side or second side CIS unit.
Replace the main PCB ASSY.
2-86
Solution
Solution
Solution
Confidential