however, it still needs to be cleaned occasionally to ensure optimum image quality and performance.
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 cotton swab with some isopropyl alcohol. (95%)
2. open the adf unit as shown in figure 5-1 and wipe the upper feeding roller by moving the swab from side to side. 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 adf unit. your scanner is now ready for use.
figure 5-1 opening the adf unit.