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21 May, 1999
COPY QUALITY TROUBLESHOOTING
7-9
Trouble-
shooting
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 75.4 mm
intervals).
Action:
•
Replace the cartridge.
H547T510.WMF