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Cleaning the corona wire A
If you have print quality problems, clean the
corona wire as follows:
a Open the front cover, and then leave the
machine turned on for 10 minutes for the
internal fan to cool the extremely hot
parts inside the machine.
b After the machine has cooled down, turn
off the machine’s power switch.
WARNING
HOT SURFACE
After you have just used the machine, some
internal parts of the machine will be
extremely hot. Wait for the machine to cool
down before you touch the internal parts of
the machine.
c Slowly take out the drum unit and toner
cartridge assembly.
Important
• 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.