Remove stains from the inside of the printer. If the inside of the printer becomes dirty, printed paper may get dirty, so we recommend performing cleaning regularly.
You will need a sheet of A4 or letter size plain paper. *
* Be sure to use a new piece of paper.
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Select 
(Setup) on the Home Screen.
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Select 
Maintenance.
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Select Bottom Plate Cleaning.
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Select Yes.
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Follow the message to remove any paper from the top feed, then select OK.
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Fold the prepared plain paper in half lengthwise, unfold the paper, then select OK.
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Load the plain paper horizontally in the top feed with the open side up.
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Select OK.
Bottom Plate Cleaning is performed, and paper is fed.
Check the folded parts of the ejected paper. If they are smudged with ink, perform Bottom Plate Cleaning again.
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When the completion message appears, select OK.
When performing Bottom Plate Cleaning again, be sure to use a new piece of paper.
If printed pages are still dirty even after cleaning again, the inside of the printer may be dirty. Clean the inside of the printer.
If your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options.
Or if you still need help, visit our Canon Community by clicking the button below to get answers:
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