Vertical Black Lines - Ricoh FAX3700l Service Manual

TROUBLESHOOTING
COPY QUALITY TROUBLESHOOTING

6.1.5. Vertical Black Lines

Possible Cause (Scanner)
•
Defective contact image sensor element(s).
•
Dirt or dust on the exposure glass.
•
Dirty white plate on the ADF.
Action:
1. Clean the exposure glass and the shading plate.
2. Replace the contact image sensor.
Possible Cause (Printer)
•
Damaged cleaning blade.
•
Dirty hot roller stripper(s).
Action:
1. Replace the CTM.
2. Clean the hot roller strippers.
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6-6
August 2nd, 1995
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