14 June, 2002 COPY QUALITY TROUBLESHOOTING
4-7
Trouble-
shooting
4.1.7 VERTICAL WHITE LINES
Possible Cause (Scanner)
• Dirty white plate in the ADF.
• Defective contact image sensor.
Action:
1. Clean the exposure glass and the shading white plate.
2. Replace the contact image sensor.
•
Possible Cause (Printer)
• The laser optic components are dirty.
• The hot roller stripper scrapes off toner from the print paper.
• Damaged cleaning blade.
Action:
• Clean the laser optic components.
• Check the hot roller stripper mechanism. Clean the strippers and replace them if
they are damaged.
• Replace the cartridge.
H310T508.WMF
H310T503.WMF
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