14 June, 2002 COPY QUALITY TROUBLESHOOTING
4-5
Trouble-
shooting
4.1.5 VERTICAL BLACK LINES
Possible Cause (Scanner)
• Dirt or dust on the exposure glass and/or optical mirror(s).
• 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)
• Damaged cleaning blade.
• Dirty hot roller stripper(s).
Action:
1. Replace the cartridge.
2. Clean the hot roller strippers.
H310T503.WMF
H310T505.WMF
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