q Turn the drum unit gear toward you by hand while looking at the surface of the drum (1).
s Turn the drum unit gear toward you by hand to return it to the home position. The home position of each drum can be identified by matching the number on the drum unit gear to the same number on the side of the drum unit as shown in the illustration. Make sure that the number on each of the four drum unit gears matches the corresponding number on the side of the drum unit.
1
r When you have found the mark on the drum that matches the print sample, wipe the surface of the drum gently with a cotton swab until the dust or paper powder on the surface comes off.
CAUTION
The drum is photosensitive so DO NOT touch it with your fingers.
DO NOT clean the surface of the photosensitive drum with a sharp object.
DO NOT use a scrubbing or wiping motion because this might damage the drum.
