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December 21st, 1995
TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING
6.1.10. White Spots in Black Image Areas
H515t601.wmf
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 appear 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.
6-11
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