Canon IMAGERUNNER 5075 Reference Manual page 367

3
Clean the part located next to the rubber roller with a well
wrung-out damp cloth. Then, wipe the area with a soft, dry
cloth.
4
Pull the lever on the top part of the feeder to open the cover of
the feeder's original scanning area.
5
Remove the original scanning area cleaning tool from inside
the cover.
7-61
Routine Cleaning
7