4.6.1. Vertical Black Band
A. Typical faulty images
B. Troubleshooting procedure
Charge Roller(CR) is contaminated.
ITB belt is contaminated.
ITB cleaning is poor.
ITB Cleaning-Blade is partially broken.
Scanner unit is contaminated.
Scan glass contamination.
CCD sensor contamination.
Check if CR is contaminated or not.
If there are some problems, replace Drum unit.
(Refer to 22.214.171.124.)
Check if ITB belt is contaminated or not.
If there are some problems, replace the ITB Cleaner.
(Refer to 126.96.36.199.)
Wipe the contaminated part surface with a soft cloth.
(Refer to 188.8.131.52.)
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