Cleaning The Laser Scanner Window - Brother MFC-7340 User Manual

d
Plug the machine's power cord back into
the electrical socket first, and reconnect
all cables and telephone line cord. Turn
on the machine.
Note
In addition to cleaning the scanner glass
and glass strip with a soft lint-free cloth
moistened with water, run your finger tip
over the glass to see if you can feel
anything on it. If you feel dirt or debris,
clean the glass again concentrating on
that area. You may need to repeat the
cleaning process three or four times. To
test, make a copy after each cleaning.
118
Cleaning the laser scanner
window
WARNING
Use neutral detergents.
DO NOT use cleaning materials that
contain ammonia, alcohol, any type of
spray, or any type of flammable substance
to clean the outside or inside of the
machine. Doing this may cause a fire or
electrical shock. For more infomation see
Important Safety Instructions on page 87.
CAUTION
DO NOT touch the laser scanner window
with your fingers.
a
Before you clean the inside of the
machine, turn off the machine.
Unplug the telephone line cord first, 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.
B