Canon imageCLASS MF275dw Wireless All-In-One Monochrome Laser Printer - Manual (Page 511)

Printing Is Uneven
94LS-0EE
Troubleshoot by checking in the following order:
Step 1: Checking the Paper(P. 502)
Step 2: Checking the Toner Cartridge(P. 502)
Step 3: Checking the Usage Environment of the Machine(P. 502)
Step 1: Checking the Paper
Are You Using Appropriate Paper?
Check whether the paper in the machine is usable, and replace it with appropriate paper, as needed.
Usable Paper(P. 20)
Loading Paper(P. 133)
Step 2: Checking the Toner Cartridge
Check the Remaining Amount of Toner in the Toner Cartridge.
If the remaining amount of toner in the toner cartridge is low, replace the toner cartridge.
Checking the Remaining Amount of Consumables(P. 477)
Replacing the Toner Cartridge(P. 471)
* 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.
Step 3: Checking the Usage Environment of the Machine
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 operation panel [Menu] [Adjustment/Maintenance] [Adjust Image Quality]
[Special Processing] [High Humidity Mode] [On]
5 Lines LCD Model
[Home] screen on the operation panel [Menu] [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.
Continuing to use the machine under these conditions may result in paper jams, printing defects, faults, or
other problems. Allow the machine to adjust to the ambient temperature and humidity for at least 2 hours
before use.
Troubleshooting
502