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8. Vertical White Band - White band appears in the vertical direction of printed image.
Main Causes
1.
Silicon oil on the transfer drum.
Transfer Drum
Adhered Silicone oil
Countermeasures
1.
Wipe off the oil adhering to the transfer unit and surrounding area.
2.
Replace the transfer drum with a new drum. (See Chapter 7)
3.
If the oil adhesion is excessive, replace the belt module and cleaning brush with a new cartridge and
brush. (See Chapter 6)
Transfer Unit
Transfer Unit
Paper Dischager Unit
Transfer Roller
Transfer Drum
Paper Feeding Roller
Drum Cleaner
Imaging Artifacts
221
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