Chapter 5 Maintenance
6.Insert the cleaning sheet
The cleaning sheet feeds through the scanner, and the Cleaning Mode exits.
7.Inspect the cleaning sheet for dust.
8.Repeat steps 3 to 6 several times using the same cleaning sheet to clean the same side of the rollers.
9.Prepare a new cleaning sheet, and clean the other side in the same way.
IMPORTANT
•When placing the adhesive side down, make sure to support the cleaning sheet while inserting it into the feed inlet so that it does not touch the Document Feed Tray.
•Dust that is not removed by the cleaning sheet should be wiped off with a moistened and thoroughly
The scanner has two types of glass: the sensor glass for document detection, and the scanning glass for actual scanning.
Scanning Glass
Sensor Glass
Hint
•The appearance of extraneous spots or streaks in scanned images may indicate a dirty scanning glass.
•To clean the scanning glass, turn ON the lamp beneath the glass so that any dust can be easily seen and wiped away.
IMPORTANT
Scratches on the scanning glass may cause spots or streaks on scanned images, as well as feeding errors. If you find a scratch on the scanning glass, contact your local authorized Canon dealer or service representative to have the glass replaced.
1.Carefully raise the upper unit until it stops.
2.Press and hold the Start key on the control panel for approximately two seconds.
Start Key
The lamp beneath the scanning glass lights.