6.1.9. 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 (the interval X = approx. 94.2 mm).
•
Toner on the hot roller (the interval X = approx. 63 mm).
Action:
•
Replace the drum.
•
Clean the hot roller surface.
H515t602.wmf
TROUBLESHOOTING
December 21st, 1995
COPY QUALITY TROUBLESHOOTING
6-10