Canon imageRUNNER C3489 Reference Manual page 387

2
Clean the rollers (a total of three places) inside the feeder
cover with a cloth dampened with water. Then, wipe the area
with a soft, dry cloth.
3
Open the inner cover, holding it by its front tab.
4
Clean the rollers (a total of three places) inside the inner cover
with a cloth dampened with water. Then, wipe the area with a
soft, dry cloth.
7-57
Routine Cleaning
7