User`s guide

Identifying and Isolating Problems
5-5
Troubleshooting
5
Print Quality Problems
Printed text is faded or streaked with white.
Cause The level of toner remaining in the toner cartridge may be low, or the toner may
not be evenly distributed inside the cartridge.
Remedy Replace the toner cartridge. (See Chapter 5, “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 5, “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 “Print Quality,” on p. 4-9.)
Cause 2 [Toner Save] is set to ‘On’.
Remedy Set [Toner Save] to ‘Off’ and print the data again. (See “Toner Save,” on p. 4-9.)
Black spots appear 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 5, “Routine Maintenance,” in the Reference
Guide.)
Black stripes appear on multiple sheets in sequence.
Cause The toner cartridge is old or damaged.
Remedy Contact your local authorized Canon dealer.