Canon LASER SHOT LBP-3600 User Manual page 426

The overall print result is dark.
Cause 1 The setting for [Toner Density] is not appropriate.
Remedy Drag the [Toner Density] slider in the printer driver toward [Light].
In order to specify the setting for [Toner Density], click the [Details] button in the
[Quality] sheet to open the [Detailed Settings] dialog box.
Cause 2 The printer is exposed to direct sunlight or strong light.
Remedy Move the printer to a place where it will not be exposed to direct sunlight or
strong light. Alternatively, move the strong light source away from the printer.
The print is uneven.
Cause 1 Life of the toner cartridge has been reached.
Remedy Take the toner cartridge out of the printer, shake it gently 5 or 6 times to evenly
distribute the toner, and then reinstall the toner cartridge. If this does not solve
the problem, replace the toner cartridge with a new one. (See "Replacing the
Toner Cartridge," on p. 5-2)
Cause 2 Paper is too moist or too dry.
Remedy Change the paper with appropriate one and print again. (See "Paper
Requirements," on p. 2-2)
Cause 3 The toner cartridge is deteriorating or damaged.
Remedy Replace the toner cartridge with a new one. (See "Replacing the Toner
Cartridge," on p. 5-2)
Front or back of the printouts is stained with black dots.
Cause The fixing roller is dirty.
Remedy Clean the fixing roller. (See "Cleaning the Fixing Roller," on p. 5-21)
Smudge marks of spattering toner appear around the text.
Cause This kind of phenomenon may occur when printing text data.
Remedy Display the Printer Status Window, select [Device Settings] from the [Options]
menu, and then remove the checkmark from [Graphics Special Mode] in the
[Device Settings] dialog box.
Print Quality Problems
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