Apple ColorLaserWriter 12/600PS - Manual (Page 249)

Cleaning the paper pickup area
The paper pickup mechanism handles a lot of paper. Dust from the paper can
accumulate on the rollers and on the mechanism. It’s important not to let lint
or dust interfere with the operation of the printer. Take time to clean the
paper pickup area occasionally.
Wipe the area with a
clean, dry, lint-free cloth.
226 Chapter 10