User Manual

Table Of Contents
11. Turn the edge of the drum unit towards you while looking at the drum surface to find the mark.
IMPORTANT
To avoid print quality problems, DO NOT touch the surface of the drum unit, only the wheel on the
end.
12. Wipe the surface of the drum gently with a dry cotton swab until the mark or foreign material on the surface
comes off.
NOTE
DO NOT clean the surface of the photosensitive drum with a sharp object or any liquids.
13. Push the toner cartridge firmly into the drum unit until you hear it lock into place.
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