Canon ImageFormula R10, Руководство пользователя

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Cleaning the Scanning Glass and the Rollers
If scanned images contain streaks, or if the scanned documents
become dirty, the scanning glass or rollers inside the scanner may
be dirty. Clean them periodically.
1
Open the feed tray.
2
Open the feeder cover.
3
Use compressed air to remove dust and paper particles from the
inside of the scanner.
4
Remove any dirt from the scanning glass, separation pad and rollers
inside the scanner (parts shown in the figure).
Use a clean dry cloth to wipe off any dirt on the scanning glass.
Wipe off any dirt on the rollers with a cloth that has been dampened
with water, and then wipe the rollers with a clean soft dry cloth.
Remove the feed rollers before cleaning them. For details on
removal, see Detaching and attaching the Feed Roller.
Do not spray water or neutral detergent directly on the scanner.
Precision mechanisms, such as the light source, may get wet, and
cause a malfunction.
Scratches on the sensor glass may cause marks on the images, as well
as feeding errors. If there are scratches on the sensor glass, contact
your local authorized Canon dealer or service representative.