Confidential
2-87
■
White horizontal streaks
■
Colored over the whole page
■
Entire image is distorted or deformed
< User Check >
- Clean the document cover glass or second side CIS
glass.
-
Clean the d
ocument pressure bar.
Step
Cause
Solution
1
White reference film of document
scanner unit stained (in the case of
problem in first side)
Clean the white reference film of
document scanner unit.
2
White reference film of document
pressure bar of ADF stained (in the
case of problem in second side)
Clean the white reference film of
document pressure bar of ADF.
3
First side or second side CIS unit
defective
Replace the first side or second side CIS
unit.
4
White reference film of document
scanner unit damaged, broken (in the
case of problem in first side)
Replace the document scanner unit.
5
White reference film of document
pressure bar of ADF damaged,
broken (in the case of problem in
second side)
Replace the ADF unit.
< User Check >
- Clean the document cover glass or second
side CIS glass.
-
Clean the d
ocument pressure bar.
Step
Cause
Solution
1
White level correction data
failure
Carry out maintenance mode 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.
Step
Cause
Solution
1
CIS type mismatches
Carry out maintenance mode 59 to rewrite firmware.
2
Ink refill ASSY defective
Replace the ink refill ASSY.