Canon ImageCLASS MF4570DN - Manual (Page 147)

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Tr
oubleshooting
Paper is too moist or Too dry.
Solution
Replace the paper with new paper in an unopened package.
“Paper Requirements” (P.2-6)
Toner is nearly out.
Solution
To view the solution, refer to the following.
“Replacing the Toner Cartridge” (P.8-10)
The drum in the toner cartridge is deteriorated.
Solution
Replace the toner cartridge with a new one.
“Replacing the Toner Cartridge” (P.8-10)
Unevenness may appear when thin lines are printed.
Solution
Change the setting to from the operation panel.
e-Manual Maintenance Special Mode
* If you use this mode, the following problems may occur.
• The output is less fine.
• Toner smears even on unnecessary parts.
• Toner consumption increases.
White Specks Appear
Perform one of the following solutions according to the cause.
Appropriate paper is not being used.
Solution
Replace the paper with which can be used with this printer.
“Paper Requirements” (P.2-6)
Damp paper is used.
Solution
Replace the paper with new paper in an unopened package.
“Paper Requirements” (P.2-6)
The drum in the toner cartridge is deteriorated.
Solution
Replace the toner cartridge with a new one.
“Replacing the Toner Cartridge” (P.8-10)
When you print a document of highly contrasting density, white specks may appear on the outlines of the text or
images.
Solution
Change the [Special Print Mode] setting to [Special Settings 2] from the printer driver.
e-Manual Maintenance Special Mode
* When [Special Settings 2] is selected, printing density is lower than when [Off ] or [Special Settings 1] is selected.
Also, text or lines may be less clear.