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2Push the drum unit in until it stops.
gClose the front cover of the machine.
hPlug the machine’s power cord back into
the AC power outlet first, and reconnect
all cables.Turn on the machine’s power
switch.
Cleaning the corona wires C
If you have print quality problems, clean the
corona wires as follows:
aTurn off the machine’s power switch.
Disconnect all cables, and then unplug
the power cord from the AC power
outlet.
bPress the front cover release button and
then open the front cover.