4-7
4.7 Cleaning the Sensors
Accumulated dust on the paper sensors or on the document size detection sensors may prevent the
document from being scanned correctly. The sensors must be cleaned when necessary.
(1) Turn off the scanner.
(2) Open the top cover as described in Section 4.1, “Opening and Closing the Top Cover”.
(3) Wipe the two paper sensors or the five document size detection sensors using a cotton
swab.
document size
detection sensors
Paper sensors
(4) Close the top cover as described in Section 4.1 “Opening and Closing the Top Cover”.
Caution
• Take care not to get your fingers caught in the top cover.
• Use a cotton swab or something equally soft to gently wipe the paper sensors or
on the document size detection sensors. Do not use any chemicals to clean the
sensors.
