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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 1/4" (5 mm) or less around the edge of paper or 3/8" (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  [Advanced Settings] [Expand Print Region and Print] [Off]
Is the fixing unit dirty? (LBP654Cdw)
- Change the setting of <Regularly Clean Fix. Assembly>. The higher level you specify, the higher frequency of regular cleaning is performed. For details on the procedure for setting, see the "User's Guide" from the Canon website (canon.com/oip-manual).
- If a higher level is specified, the printing speed may be slower.
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?
- Set <Low Humidity Mode> to <On>. For details on the procedure for setting, see the "User's Guide" from the Canon website (canon.com/oip-manual).
- If you set to <On>, print density may be lower or uneven when the machine is used in an environment with high 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).
- 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.
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).
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 ghost images appear in the same page? (LBP654Cdw)
- 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).
- If you set to <On>, toner may not be fixed sufficiently, resulting in faded printouts.
Do ghost images appear when you perform continuous printing?
- Change the setting of <Reduce Ghosting 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 set to <On>, print density may be uneven.
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).
Is the toner cartridges consumed?
- Check how much the amount remaining in toner cartridges is left, and replace the toner cartridges as necessary. 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?
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. For details on the procedure for replacing the toner cartridge, 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).
Is the print faded or uneven in density depending on the paper type or the environmental conditions? (LBP654Cdw)
- Change the setting for <Reduce Toner Flaking>. 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).
- Setting a greater improvement effect may result in curled printouts or slower printing speed.
Are you using the machine in an environment with high humidity?
- Change the setting for <High Humidity 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 set to <On> and use the machine in an environment with low humidity, printed images and text may be blurry.
Are you using paper containing much paper dust? (LBP654Cdw)
- Using paper containing much paper dust may result in a faded or streaky printout. Setting <Corr. Img. Corrup. by Ppr Dust> 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 set to <On>, the printing speed may be slower.
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).
- 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.
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).
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. For details on the procedure for replacing the toner cartridge, 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).
When performing 2-sided printing, does void occur in the leading edge of paper? (LBP654Cdw)
- When performing 2-sided printing on thin paper, void may occur on the back side of paper in the leading edge. Setting <Corr. Void on Paper Back Side> 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 set to <On>, print quality may be affected.
Does void occur in the leading edge of paper? (LBP612Cdw)
- When printing on thin paper, void may occur in the leading edge of paper. Setting <Correct Void> 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 set to <On>, printouts may be faded.
Does uneven print density occur in a way that the print looks like a water drops pattern?
- Setting <Drop Pattern Reduction Mode> 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 set to <On>, print quality may be affected.
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).
- 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.
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?
Do smudges appear on 2-sided printed paper? (LBP612Cdw)
- When performing 2-sided printing, the image may be blurry on the back side of paper in the trailing edge. Setting <Correct Blurry Image> 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 set to <On>, the printing speed may be slower.
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