Canon imageCLASS MF264dw II Multifunction Monochrome Laser Printer - Manual (Page 584)

Check the Remaining Amount of Toner in the Drum Cartridge.
Check the remaining lifetime of the drum cartridge. If the remaining lifetime is short, replace the drum
cartridge.
Checking the Remaining Amount of Consumables(P. 540)
Replacing the Drum Cartridge(P. 536)
* Depending on the usage condition of the machine, the actual remaining amount of toner may be lower than
indicated or the parts may be deteriorated (may be damaged or may malfunction). It is recommended to
replace the drum cartridge with a new one.
Are Characters or Lines Fades?
A printed barcode may not be able to be read. Or, lines may not be printed clearly. Specifying [Select Line Width]
may improve the situation.
Touch Panel Model
[Home] screen on the control panel [Menu] [Adjustment/Maintenance] [Adjust Image Quality]
[Special Processing] [Select Line Width] Select the line width
5 Lines LCD Model
on the control panel [Adjustment/Maintenance] [Adjust Image Quality] [Special
Processing] [Select Line Width] Select the line width
*When this setting is enabled, the print density may decrease.
Are You Using the Machine in a Humid Environment?
Setting [High Humidity Mode] to [On] may solve the problem.
Touch Panel Model
[Home] screen on the control panel [Menu] [Adjustment/Maintenance] [Adjust Image Quality]
[Special Processing] [High Humidity Mode] [On]
5 Lines LCD Model
on the control panel [Adjustment/Maintenance] [Adjust Image Quality] [Special
Processing] [High Humidity Mode] [On]
* Setting this to [On] may blur images and text in an environment with low humidity.
Are You Using the Machine in an Environment with Sudden Temperature Changes?
Sudden temperature changes can create condensation, which can result in faded or blurry images and text.
Setting [Control Condensation] to [On] may solve the problem.
Touch Panel Model
[Home] on the control panel [Menu] [Adjustment/Maintenance] [Maintenance] [Control
Condensation] [On]
5 Lines LCD Model
on the control panel [Adjustment/Maintenance] [Maintenance] [Control
Condensation] [On]
* During condensation removal, a blank sheet of paper may be output without being printed correctly. If you
set this to [On], you can set whether to restrict printing.
Troubleshooting
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