6.1.10. White Spots in Black Image Areas
Possible Cause (Printer)
•
The drum surface is damaged (this is likely if the dots appear at 94.2
mm intervals).
•
The development roller surface is damaged (this is likely if the dots ap-
pear at 62.8 mm intervals).
•
The toner application roller surface is damaged (this is likely if the dots
appear at about 16.75 mm intervals).
Action:
•
Replace the drum.
•
Clean the surface of the development roller and change the roller if it is
damaged.
•
Change the development unit.
h521t601.wmf
TROUBLESHOOTING
May 22nd, 1995
COPY QUALITY TROUBLESHOOTING
6-12