Canon imageCLASS MF6540 Basic Operation Manual page 184

7
Close the ADF cover.
Be careful not to get your fingers caught.
8
Open the ADF.
9
Clean the ADF scanning area (on
the left side of the platen glass)
and the document feeding roller
with a cloth dampened with water.
Then wipe the area with a soft, dry
cloth.
10
Close the ADF.
Be careful not to get your fingers caught.
11
Reconnect the power cord and
turn on the main power switch.
10-9