d Push down the green-labelled lock lever (1) and take the toner cartridge out of the drum unit.

f Turn the drum unit gear by hand while looking at the surface of the OPC drum (1).

1

IMPORTANT

Handle the toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold water at once.

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

1

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

IMPORTANT

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

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