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Troubleshooting and routine maintenance
145
C
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 plug
in the telephone line cord. Turn on the
machine.
Cleaning the corona wire C
If you have print quality problems, clean the
corona wire as follows:
a Turn off the machine. Unplug the
telephone line cord first, disconnect all
cables, 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.
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.
• To prevent damage to the machine
caused by static electricity, DO NOT touch
the electrodes shown in the illustration.