Canon Laser Class 810 Basic Operation Manual page 66

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Adjust the slide guides to the width of the documents.
The document s ready for scannng.
– Do not add or remove documents whle they are beng scanned.
– When scannng s complete, remove the documents from the document delvery tray to avod paper
jams.
– Avod usng ADF to scan the same document more than 30 tmes. When scanned repeatedly,
documents can become folded or torn, whch may cause paper jams.
– If the feeder rollers are soled from scannng a document wrtten n pencl, clean them. (See "Cleanng
the Machne," on p. 10-2.)
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