Canon DR-4580U Maintenance Manual page 6

3
Use the blower brush provided with
the scanner to clean the document
sensors, the double-feed detection
sensors, and paper detection
sensor.
Cleaning the scanner
Document sensors
Double-feed detection sensor
To clean the document, double-feed, and paper de-
tection sensors, remove the brush from the blower
and blow out the dirt through the holes
Blower
Paper detection sensor
Double-feed detection sensor
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