Confidential
2-85
■
Scanning position failure
(1) ADF
(2) Document scanner unit
■
Dark
< User Check >
- Check that the document is placed correctly
on the document cover.
Step
Cause
Solution
1
Scanning start position out of
alignment
Carry out maintenance 54 to adjust the
scanning start position.
2
Document scanning position
actuator caught on the
surrounding parts
Set the document scanning position actuator
into place.
3
Second side CIS unit defective
Replace the second side CIS unit.
Step
Cause
Solution
1
Scanning start position out of
alignment
Carry out maintenance 54 to adjust the
scanning start position.
2
First side CIS unit defective
Replace the first side CIS unit.
< User Check >
- Check if the contrast is set to "Dark."
Step
Cause
Solution
1
White level correction data
failure
Carry out maintenance 55.
2
First side or second side CIS
unit defective
Replace the first side or second side CIS unit.
3
Main PCB defective
Replace the main PCB.
