Canon Laser Shot LPB3500 User Manual page 433

The overall print result is faint.
Cause 1
Remedy
Cause 2
Remedy
The overall print result is dark.
Cause 1
Remedy
Cause 2
Remedy
7
The print is uneven.
Cause 1
Remedy
Cause 2
Remedy
Cause 3
Remedy
Front or back of the printed paper has smudge marks.
Cause
Remedy
7-44 Print Quality Problems
The setting for [Toner Density] is not appropriate.
Drag the [Toner Density] slider in the printer driver toward [Dark].
In order to specify the setting for [Toner Density], display the [Detailed Settings]
dialog box by clicking [Details] in the [Quality] sheet.
[Toner Save] is selected.
Clear the [Toner Save] check box in the printer driver.
In order to specify the setting for [Toner Save], display the [Detailed Settings]
dialog box by clicking [Details] in the [Quality] sheet.
The setting for [Toner Density] is not appropriate.
Drag the [Toner Density] slider in the printer driver toward [Light].
In order to specify the setting for [Toner Density], display the [Detailed Settings]
dialog box by clicking [Details] in the [Quality] sheet.
The printer is exposed to direct sunlight or strong light.
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 toner cartridge has run out of toner.
Replace the toner cartridge with a new one. (See "Replacing the Toner
Cartridge," on p. 5-2)
Paper is too moist or too dry.
Replace the paper with appropriate one and print again. (See "Paper
Requirements," on p. 2-2)
The toner cartridge has deteriorated or is damaged.
Replace the toner cartridge with a new one. (See "Replacing the Toner
Cartridge," on p. 5-2)
The fixing roller is dirty.
Clean the fixing roller. (See "Cleaning the Fixing Roller," on p. 5-15)