Canon imageFORMULA DR-7090C User Manual page 68

IMPORTANT
When you open the feeder cover and turn the dial located in the
front, the platen roller rotates.
When cleaning the platen roller, rotate the roller slowly while
wiping it.
Dial
11.
Pull the lever on the upper part of the feeder to open
the scanning area on the feeder.
12.
Remove the scanning area cleaning tool from inside
the cover.
13.
Remove one sheet of cleaning paper from the plastic
bag, and fold it in two as shown.
5-9
Chapter 5 Maintenance