Cleaning the drum unit. Brother MFC-8370DN, MFC-8380DN

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.

1

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.

C

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.

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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c

Push down the blue lock lever and take the toner cartridge out of the drum unit.

Troubleshooting and routine maintenance f

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.

C

IMPORTANT

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

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

d

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

IMPORTANT

• The drum is photosensitive so DO NOT touch it with your fingers.

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

• DO NOT use excessive force when cleaning the drum unit.

g

Put the toner cartridge back into the drum unit until you hear it lock into place.

If you put the cartridge in correctly, the blue lock lever will lift automatically.

e

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

1 h

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

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i

Close the front cover.

j

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.

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