Canon IMAGERUNNER 2020 - Manual (Page 229)

Routine Cleaning 7-27
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7
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.
5
Clean the transparent plastic part of the inner cover with a
cloth dampened with water. Then wipe the area with a soft, dry
cloth.