Ricoh Aficio FX10 Service Manual page 215

TROUBLESHOOTING
COPY QUALITY TROUBLESHOOTING
7.1.9. Black Dots/Spots
Possible Cause (Scanner)
•
Dust on the exposure glass.
Action:
•
Clean the exposure glass.
•
Try disabling MTF.
Possible Cause (Printer)
•
The drum surface is damaged (this is likely if the dots appear at 94.2
mm intervals).
Action:
•
Replace the drum.
7-10
June 10th, 1997
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