Canon MF229dw User Manual page 394

Are you using appropriate paper?
Check usable paper, and replace with appropriate paper.
Paper
Loading Paper
Is the drum in the toner cartridge deteriorated?
Replace the toner cartridge with a new one.
Replacing Toner Cartridges
Are you printing a document with strong contrasts?
Change the setting for [Special Print Mode] using the Printer Driver.
When set to [Special Settings 2], print density is lighter compared with [Off] or [Special Settings 1]. Text and lines
may also appear faded.
A Portion of the Page Is Not Printed
Do you print data without margins?
This symptom occurs if a margin is set to none in the printer driver. A margin of 5 mm or less around the edge of
paper or 10 mm or less around the edge of envelopes is not printable with the machine. Make sure to have margins
around the document to print.
[Finishing] tab
Print Density Is Uneven
Is toner running low?
Check how much toner is left, and replace the toner cartridges as necessary.
Replacing Toner Cartridges
Is printing sometimes uneven when printing fine lines?
Change the setting for <Special Mode J>.
Special Processing
Printouts Are Grayish
Downloaded from ManualsPrinter.com Manuals
[Advanced Settings] [Expand Print Region and Print] [Off]