Canon DR-2050C Startup Manual page 59

5
Rotate the rollers q and w as you clean them. Moisten a cloth with plain
water, wring out excess water, wipe the rollers and then dry it with a clean dry
cloth.
q : Rotate as you wipe.
w : Rotate in the direction of the arrows as you wipe.
e : (Retard Roller) Remove the roller from the scanner, wipe it clean, and then
reinstall it. (See "Removing and Attaching the Retard Roller," on p. 64.)
r : (Feed Roller) Remove the roller from the scanner, wipe it clean, and then
reinstall it. (See "Removing and Attaching the Feed Roller," on p. 60.)
6
Remove the Feed Roller r and Retard Roller e. (See p.60, p. 64.)
7
Wipe the removed rollers with a firmly wrung cloth moistened with water.
8
Attach the rollers that were removed. (See p.61, p. 65.)
9
Carefully close the Front Unit.
Regular Maintenance
55