Avision AV620C2+ (DF-1015S/DF-1004S) - Manual (Page 100)

8.2 Cleaning the ADF
The scanner parts may be contaminated with ink, toner
particles or paper coatings. As a result, the scanner needs to
be cleaned occasionally particularly in the following cases:
1.
Documents do not feed smoothly or easily;
2.
Several documents feed at one time.
The cleaning procedures
1. Wet a soft lint-free cloth with some isopropyl alcohol.
(95%)
2. Open the front ADF unit as shown below and wipe the upper
feeding roller. Rotate the roller forward with your finger
and repeat the above cleaning procedures until the entire
roller is cleaned. Be careful not to snag or damage the pick
springs.
3. Wipe the pad in the direction from top to bottom. Be
careful not to hook the pick springs.
4. Close the front ADF unit.
5. Open the document cover and then the bottom of the ADF
unit.
6. Wipe the rollers until the rollers are cleaned.
7. Close the document cover and the bottom of the ADF unit.
Your scanner is now ready for use.
8-2