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Smudge Marks Appear on the Edge of PrintoutsSmudges Appear on Printouts
Afterimages Appear in Blank Areas
Toner Smudges and Splatters Appear
Streaks Appear/Printing is Uneven
White Spots Appear
Reverse Side of Paper is Smudged
Smudge Marks Appear on the Edge of Printouts
Are you using appropriate paper?
Check the supported paper types and replace with an appropriate type. Also, set the paper size and type correctly. For details on the procedures for loading paper, see the "User's Guide" from the Canon website (canon.com/oip-manual).
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 
Smudges Appear on Printouts
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).
Do smudges appear when using the machine in an environment with low humidity?
Change the setting for ⋖Low Humidity Mode⋗. The improvement effect is stronger with ⋖Mode 2⋗ than ⋖Mode 1⋗. First try with ⋖Mode 1⋗. For details on the procedure for setting, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Caution
If ⋖Low Humidity Mode⋗ is specified, print density may be lower or uneven when the machine is used in an environment with high humidity.
Do smudges appear on printouts depending on the paper type or the operating environment?
Change the setting of ⋖Correct Blurry Image⋗. 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).
Caution
Setting a stronger improvement effect may result in lighter print density or slower printing speed. It may also result in less sharp edges and rougher details.
If [Barcode Adjustment Mode] in the printer driver is specified, the ⋖Correct Blurry Image⋗ setting is disabled.
Is the machine installed in an environment where the temperature changes rapidly and drastically?
When the temperature changes rapidly in the environment where the machine is installed, condensation occurs, which may cause fading or bleeding in images and text. If ⋖Control Condensation⋗ is set to ⋖On⋗, condensation inside the machine will be removed. Condensation removal may be performed automatically due to temperature change. For details on the procedure for setting, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Caution
While condensation removal is being performed, printing may not be performed properly and blank paper may be output.
If you set to ⋖On⋗, you need to keep the machine turned ON to maintain the effect of condensation removal.
Caution
The setting for ⋖Auto Shutdown Time⋗ is unavailable when ⋖Control Condensation⋗ is set to ⋖On⋗.
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).
Do afterimages appear when you print on large size paper after printing on small size paper?
Change the setting for ⋖Reduce Ghosting 1⋗. 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).
Caution
If you set to ⋖On⋗, the printing speed may be slower.
Do ghost images appear in the same page?
Change the setting for ⋖High Humidity 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).
Caution
If you set to ⋖On⋗, the print density may vary depending on the ambient humidity.
Is the amount remaining in toner cartridge running low?
Check how much the amount remaining in toner cartridges is left, and replace the toner cartridges as necessary.
Regardless of the displayed toner level, the toner cartridge may have reached the end of its lifetime due to the machine's environmental conditions and the deteriorated materials in the cartridge. 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).
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).
Do toner smudges and splatters appear when using the machine in an environment with low humidity?
Change the setting for ⋖Low Humidity Mode⋗. The improvement effect is stronger with ⋖Mode 2⋗ than ⋖Mode 1⋗. First try with ⋖Mode 1⋗. For details on the procedure for setting, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Caution
If ⋖Low Humidity Mode⋗ is specified, print density may be lower or uneven when the machine is used in an environment with high humidity.
Is the amount remaining in toner cartridge running low?
Check how much the amount remaining in toner cartridges is left, and replace the toner cartridges as necessary.
Regardless of the displayed toner level, the toner cartridge may have reached the end of its lifetime due to the machine's environmental conditions and the deteriorated materials in the cartridge. 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).
Streaks Appear/Printing is Uneven
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).
Have you cleaned the fixing unit?
Clean the fixing unit.
Is the machine installed in an environment where the temperature changes rapidly and drastically?
When the temperature changes rapidly in the environment where the machine is installed, condensation occurs, which may cause fading or bleeding in images and text. If ⋖Control Condensation⋗ is set to ⋖On⋗, condensation inside the machine will be removed. Condensation removal may be performed automatically due to temperature change. For details on the procedure for setting, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Caution
While condensation removal is being performed, printing may not be performed properly and blank paper may be output.
If you set to ⋖On⋗, you need to keep the machine turned ON to maintain the effect of condensation removal.
Caution
The setting for ⋖Auto Shutdown Time⋗ is unavailable when ⋖Control Condensation⋗ is set to ⋖On⋗.
Do black horizontal streaks appear in the leading edge of paper?
Change the setting of ⋖Rdc. Wrinkles(Humidity)/Streaks⋗. 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).
Caution
If you set to ⋖On⋗, the printing speed will be slower.
Is the amount remaining in toner cartridge running low?
Check how much the amount remaining in toner cartridges is left, and replace the toner cartridges as necessary.
Regardless of the displayed toner level, the toner cartridge may have reached the end of its lifetime due to the machine's environmental conditions and the deteriorated materials in the cartridge. 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).
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).
Does a void appear at the center of dark text or lines?
Change the setting for ⋖High Humidity 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).
Caution
If you set to ⋖On⋗, the print density may vary depending on the ambient humidity.
Is the machine installed in an environment where the temperature changes rapidly and drastically?
When the temperature changes rapidly in the environment where the machine is installed, condensation occurs, which may cause fading or bleeding in images and text. If ⋖Control Condensation⋗ is set to ⋖On⋗, condensation inside the machine will be removed. Condensation removal may be performed automatically due to temperature change. For details on the procedure for setting, see the "User's Guide" from the Canon website (canon.com/oip-manual).
Caution
While condensation removal is being performed, printing may not be performed properly and blank paper may be output.
If you set to ⋖On⋗, you need to keep the machine turned ON to maintain the effect of condensation removal.
Caution
The setting for ⋖Auto Shutdown Time⋗ is unavailable when ⋖Control Condensation⋗ is set to ⋖On⋗.
Are you using the machine in an environment with high humidity?
Change the setting for ⋖High Humidity 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).
Caution
If you set to ⋖On⋗, the print density may vary depending on the ambient humidity.
Is the amount remaining in toner cartridge running low?
Check how much the amount remaining in toner cartridges is left, and replace the toner cartridges as necessary.
Regardless of the displayed toner level, the toner cartridge may have reached the end of its lifetime due to the machine's environmental conditions and the deteriorated materials in the cartridge. 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.
Have you cleaned the fixing unit?
Clean the fixing unit.
When you print a halftone image such as a photograph on a small size piece of heavy paper, do streaks appear on the paper?
Change the setting for ⋖Rdc. Tnr Flaking from Heavy Sml. Ppr⋗. 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).
Caution
If you set to ⋖On⋗, the printing speed will be slower.