4. Troubleshooting
4.7.1. Vertical Black Band
A. Typical faulty images
B. Troubleshooting procedure
Step
Cause
Action
1
Charge Roller(CR) is contaminated.
Check if CR is contaminated or not.
If there are some problems, replace Drum unit.
(Refer to 3.3.2.1.)
2
ITB belt is contaminated.
•
ITB cleaning is poor.
•
ITB Cleaning-Blade is partially broken.
Check if ITB belt is contaminated or not.
If there are some problems, replace the ITB Cleaner.
(Refer to 3.2.2.3.)
3
Scanner unit is contaminated.
•
Scan glass contamination.
•
Mirror contamination.
•
CCD sensor contamination.
Wipe the contaminated part surface with a soft cloth.
(Refer to 3.3.29.4.)
CAUTION
Fragile parts!
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