2-90
Confidential
Faulty registration
Dark
(1) ADF
Step
Cause
Remedy
1
Deviation of the scanning start
position
Execute "Fine adjustment of scan start
position. (
2
First side document scanning
position actuator caught in some
sections of the machine
Reattach the first side document scanning
position actuator.
3
Second side document scanning
position actuator caught in some
sections of the machine
Reattach the second side document
scanning position actuator.
(2) Document scanner unit
Step
Cause
Remedy
1
Deviation of the scanning start
position
Execute "Fine adjustment of scan start
position. (
2
First side CIS unit failure
Replace the first side CIS unit.
<User Check>
- Check that the contrast setting is not too dark.
- Clean the document hold.
Step
Cause
Remedy
1
Incorrect white level correction data Execute "Acquire white level data (
)".
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.