Cleaning the corona wire- Page 136

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Cleaning the corona wire

B

If you have print quality problems, clean the 
corona wire as follows:

a

Turn off the machine’s power switch. 
Unplug the telephone line cord first, 
disconnect all cables, and then unplug 
the power cord from the AC power 
outlet.

b

Open the front cover.

c

Slowly take out the drum unit and toner 
cartridge assembly.

CAUTION

We recommend that you place 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.

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

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

d

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

CAUTION

Be sure to return the green tab to the home 
position (

a

) (1). If you do not, printed pages 

may have a vertical stripe.

e

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

f

Close the front cover.

1