Sharp FO-IS115N Operation Manual page 151

3
Wipe the scanning glass, rollers, and rubber sheet with a clean cloth or
swab.
•
Do not wipe off the grease on the ends of the white roller.
•
Make sure that all dirt and stains (such as correcting fluid) are removed.
Dirt and stains will cause vertical lines on transmitted images and copies.
•
If the scanning glass is difficult to clean, try moistening the cloth with
isopropyl alcohol or denatured alcohol. Take care that no alcohol gets on
the rollers.
•
Do not press down on the two front rollers.
Cleaning the Scanning Glass and Rollers
147