imageCLASS MF7280 PCL/UFR II Printer Guide

Other Print Problems
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Troubleshooting
Other Print Problems
Correcting Poor Print Quality
Printed text faded or streaked with white.
Cause The level of toner remaining in the cartridge may be low, or the toner is not
evenly distributed inside the cartridge.
Remedy Replace the Cartridge. (See Chapter 7, "Routine Maintenance," in the
Reference Guide.)
Printed pages are dirty or have white specks.
Cause The fixing roller inside the fixing unit has become dirty with toner dust.
Remedy Clean the fixing unit inside the machine. (See Chapter 7, "Routine
Maintenance," in the Reference Guide.)
The printout is too light or too dark.
Cause 1 The toner density settings are not correct.
Remedy Adjust the toner density and print the data again. (See "Density," on p. 2-6.)
Cause 2 Toner Saver is set to 'ON'.
Remedy Set Toner Saver to 'OFF' and print the data again. (See "Toner Saver," on
p. 2-6.)
Black spots on the front and back of the printed pages
Cause The fixing roller inside the fixing unit may be dirty.
Remedy Clean the fixing roller. (See Chapter 7, "Routine Maintenance," in the Reference
Guide.)
Black stripes appear on multiple sheets in sequence
Cause The cartridge may be damaged.
Remedy Contact your local authorized Canon dealer.