Smudge Marks Appear on the Bottom Edge of Printouts
Are you using appropriate paper?
Check the supported paper types and replace with an appropriate type. Also, specify the paper size and type settings properly. For details on the procedures for loading paper, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Usable Paper
Registering a Paper Size and Type
Do you print data without margins?
This symptom occurs if a margin is set to none in the printer driver. Make sure to have margins around the document to print. For details, see the "User's Guide" from the Canon website (canon.com/oip-manual).
- Setting in the Printer Driver
[Finishing] tab 
[Advanced Settings] [Expand Print Region and Print] [Off]
Smudges Appear on Printouts
Are you using appropriate paper?
Check usable paper, and replace with appropriate paper, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Usable Paper
Do smudges appear on printouts when you use the machine in an environment with low humidity?
Change the setting for ⋖Sp. Transfer Mode⋗. Setting this item to ⋖On⋗ may solve the problem. For details on the procedure for setting, see the "User's Guide" from the Canon website (canon.com/oip-manual).
If you select ⋖On⋗ and use the machine in an environment with high humidity, the print density may become lighter or uneven.
If the problem persists with ⋖Sp. Transfer Mode⋗ specified, change the setting of ⋖Sp. Transfer Mode 2⋗. Setting to ⋖On⋗ may solve the problem. For details on the procedure for setting, see the "User's Guide" from the Canon website (canon.com/oip-manual).
If you select ⋖On⋗ and use the machine in an environment with high humidity, the print density may become lighter or uneven.
Do streaks appear on printouts depending on the paper type or the operating environment?
Change the setting for ⋖Special Print Mode A⋗. The improvement effect is weakest with ⋖Mode 1⋗ and strongest with ⋖Mode 4⋗. Try the adjustment starting with ⋖Mode 1⋗. For details on the procedure for setting, see the "User's Guide" from the Canon website (canon.com/oip-manual).
This item cannot be set when ⋖Barcode Adj. Mode⋗ is set to one of ⋖Mode 1⋗ to ⋖Mode 4⋗.
Print density will be lighter when you select stronger improvement. It may also result in less sharp edges and rougher details.
If you set this item to ⋖Mode 3⋗ or ⋖Mode 4⋗, the printing speed becomes slower.
Toner Smudges and Splatters Appear
Are you using appropriate paper?
Check usable paper, and replace with appropriate paper. For details on the procedures for loading paper, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Usable Paper
Afterimages Appear in Blank Areas
Are you using appropriate paper?
Check usable paper, and replace with appropriate paper. For details on the procedures for loading paper, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Usable Paper
Is it time to replace the toner cartridge?
Materials inside the toner cartridge may have deteriorated. Replace the toner cartridge. For details on the procedure for replacing the toner cartridge, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Do afterimages appear when you print on large size paper after printing on small size paper?
Change the setting of ⋖Afterimage Corr.⋗. Setting to ⋖On⋗ may solve the problem. For details on the procedure for setting, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Is the amount remaining in toner cartridge running low?
Check how much toner is left, and replace the toner cartridge as necessary. For details, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Is it time to replace the toner cartridge?
Materials inside the toner cartridge may have deteriorated. Replace the toner cartridge. For details on the procedure for replacing the toner cartridge, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Do black horizontal streaks appear in the leading edge of paper?
Change the setting of ⋖Special Deliv. Mode⋗. Setting to ⋖On⋗ may solve the problem. For details on the procedure for setting, see the "User's Guide" from the Canon website (canon.com/oip-manual).
If you select ⋖On⋗, the print speed may be slower.
White Spots Appear
Are you using paper that has absorbed moisture?
Replace with appropriate paper. For details on the procedures for loading paper, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Are you using appropriate paper?
Check usable paper, and replace with appropriate paper. For details on the procedures for loading paper, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Usable Paper
Is it time to replace the toner cartridge?
Materials inside the toner cartridge may have deteriorated. Replace the toner cartridge. For details on the procedure for replacing the toner cartridge, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Reverse Side of Paper is Smudged
Have you loaded paper that is smaller than the size of the print data?
Check to make sure that the paper size matches the size of the print data.
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