q Turn the edge of the drum unit toward you by hand while looking at the surface of the suspected area.

t Put the toner cartridge firmly into the new drum unit until you hear it lock into place. If you put the cartridge in correctly, the green lock lever will lift automatically.

NOTE

DO NOT touch the drum’s surface. To avoid print quality problems, hold the edges of the drum unit.

r When you find the mark on the drum that matches the Drum Dot Check Sheet, wipe the surface of the drum gently with a dry cotton swab until the mark on the surface comes off.

IMPORTANT

DO NOT clean the surface of the photosensitive drum with a sharp object or any liquids.

s Turn the drum unit back over.

NOTE

Make sure you put in the toner cartridge correctly or it may separate from the drum unit.

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