c Clean the corona wire inside the drum unit by gently sliding the blue tab from right to left and left to right several times.

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Note

Be sure to return the blue tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe.

d Put the drum unit and toner cartridge assembly back in the machine.

Cleaning the drum unit

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

a Turn off the machine. Unplug the telephone line cord first, and then unplug the power cord from the electrical socket.

b Open the front cover and slowly take out the drum unit and toner cartridge assembly.

e Close the front cover.

f Plug the machine’s power cord back into

the electrical socket first, and then reconnect all cables and telephone line cord. Turn on the machine.

IMPORTANT

To avoid print quality problems, DO NOT touch the shaded parts shown in the illustrations below.

IMPORTANT

We recommend that you put the drum unit and toner cartridge assembly on a clean, flat surface with a sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner.

To prevent damage to the machine caused by static electricity, DO NOT touch the electrodes shown in the illustration.

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