<Clean the drum unit as follows>

If you have print quality problems, clean the drum unit as follows:

(1) Put the print sample in front of the drum unit, and find the exact position of the poor print.

Fig. 3-8

(2)Turn the drum unit gear to the direction of the arrow of the figure by hand while looking at the surface of the exposure drum.

Fig. 3-9

(3)When you have found the mark on the drum that matches the print sample, wipe the surface of the exposure drum with a dry cotton swab until the dust or glue on the surface comes off.

Fig. 3-10

CAUTION :

• DO NOT clean the surface of the photosensitive drum with a sharp object.

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