White Spots Appear - Canon MF419x User Manual

White Spots Appear

Are you using paper that has absorbed moisture?
● Replace with appropriate paper.
Loading Paper(P. 51)
Are you using appropriate paper?
● Check usable paper, and replace with appropriate paper.
Paper(P. 858)
Loading Paper(P. 51)
Is it time to replace the toner cartridge?
● Materials inside the toner cartridge may have deteriorated. Replace the toner cartridge.
How to Replace Toner Cartridges(P. 798)
Black Spots Appear
Have you cleaned the fixing unit?
● Clean the fixing unit.
Fixing Unit(P. 791)
Troubleshooting
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