Cleaning the corona wire- Page 78

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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 AC power outlet.
Turn on the machine’s power switch.

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. 
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 piece 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.