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102
Cleaning the corona wires
C
If you have print quality problems, clean the
corona wires as follows:
a
Turn off the machine’s power switch.
Disconnect all cables, and then unplug
the power cord from the electrical
socket.
b
Press the front cover release button and
then open the front cover.
c
Hold the green handle of the drum unit.
Lift the drum unit up and then pull it out
until it stops.
d
Using their coloured handles to lift them
out, remove all four toner cartridges
from the drum unit.