Vertical streaks
Step
First side or second side CIS unit
1
failure
White vertical streaks
Step
First side or second side CIS unit
1
failure
Hue defect
Step
First side or second side CIS unit
1
failure
2
Main PCB failure
<User Check>
• Clean the CIS glass.
• Clean the document pressure bar.
Cause
<User Check>
• Clean the CIS glass.
• Clean the document pressure bar.
Cause
Cause
2-19
Remedy
Replace the first side or second side CIS
unit.
Remedy
Replace the first side or second side CIS
unit.
Remedy
Replace the first side or second side CIS
unit.
Replace the main PCB ASSY.
Confidential