Canon DR-5060F - Manual (Page 71)

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T
roub
leshooting
4
Paper Feed Trouble
Condition Skew error occurs even though paper is not being fed
at an angle.
Cause and remedy This error occurs when the area 5 mm (0.2 in.) from the top
edge of the original contains text or pictures or the original
has a dark background. If this error occurs, turn skew
detection OFF and scan the document again. Or, make a
copy of the document on different paper, provide a wider
margin around the document (or lighten the background),
and scan the document again.
Condition When the imprinter is used, the document becomes
dirty.
Cause and remedy This is because ink is sticking to the holes on the guide
plate on the inside of the imprinter. Clean these holes with a
cotton wool swab.