Routine Ma intena nce
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dTurn the drum unit gear toward you by ha nd while looking at the surface of the drum (1).
eWhen you have found the mark on the drum that matches the pr int sample, wipe the surface of the dr um
gently with a cotton swab until the dust or paper powder on the surface comes off.
CAUTION
DO NOT clean the surface of the photosensitive drum with a sharp ob ject.
fTurn the drum unit gear toward you b y 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 numbe r on each of the four drum unit
gears matches the corresponding number on the side of the dru m unit.
gUsing the green handles turn the drum unit back over .
hPut all the toner cartridges back in the drum unit and put the drum unit in the printer. See steps f to h
on page 108-109.
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