Cleaning Paper Feed Rollers
If a paper feed roller is dirty or paper powder is attached to it, paper may not be fed properly. In this case, perform Roller Cleaning. Cleaning will cause wear on rollers, so perform this only when necessary.
You need to prepare: three sheets of A4 or Letter-sized plain paper
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Remove any paper from the rear tray.
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Press and hold the Stop button and release it when the Alarm lamp flashes 7 times.
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Press the Black button or the Color button.
The paper feed rollers will rotate as they are cleaned without paper.
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Make sure that the paper feed roller has stopped rotating, load three sheets of A4 or Letter-sized plain paper on the rear tray.
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Press the Black button or the Color button.
The printer starts cleaning. The cleaning will be complete when the paper is ejected.
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Press the Stop button.
If the problem is still not resolved with the operation described above, follow the operation below.
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Turn off the power and then unplug the power cord.
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Open the scanning unit / cover.
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While rotating the paper feed roller (A) located inside the rear tray more than two full turns, wipe it with a well wrung out damp cloth.
Do not touch the roller with your fingers. Paper feeding performance may be degraded.
If the problem is not resolved after cleaning, contact Canon to request a repair.