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Troubleshooting and routine maintenance
11 - 22
11
Cleaning the laser scanner
window
1
Before you clean the inside of the
machine, turn off the machine’s power
switch.
Unplug the telephone line cord first, and
then unplug the power cord from the
electrical socket.
2
Open the front cover and pull out the
drum unit and toner cartridge assembly.
3
Gently clean the laser scanner window
by wiping it with a clean soft, dry cloth.
Do not use isopropyl alcohol.
4
Put the drum unit and toner cartridge
assembly back into the machine.
5
Close the front cover.
6
Plug the machine’s power cord back into
the electrical socket first, and then plug
in the telephone line cord.
Turn on the machine’s power switch.
CAUTION
■
Do
not
use isopropyl alcohol to clean
the laser scanner window.
■
Do
not
touch the laser scanner window
with your fingers.
WARNING
Just after you have used the machine,
some internal parts of the machine are
extremely HOT! When you open the front
cover of the machine, never touch the
shaded parts shown in the diagram below.
CAUTION
To prevent damage to the machine from
static electricity, do not touch the
electrodes shown below.
Laser Scanner
Window