Cleaning The Laser Scanner Windows - Brother MFC-9840CDW User Manual
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Also See for MFC-9840CDW:
- User manual (263 pages) ,
- Network user's manual (204 pages) ,
- Quick setup manual (53 pages)
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c
In the ADF unit, clean the white bar (1)
and the scanner glass strip (2)
underneath it with a soft lint-free cloth
moistened with a non-flammable glass
cleaner.
1
d
Plug the machine's power cord back into
the AC electrical socket first, and
reconnect all cables and telephone line
cord. Turn on the machine's power
switch.
Note
In addition to cleaning the glass and glass
strip with a non-flammable glass cleaner,
run your finger tip over the glass strip to
see if you can feel anything on it. If you
feel dirt or debris, clean the glass strip
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.
2
Troubleshooting and routine maintenance
Cleaning the laser scanner
windows
CAUTION
DO NOT use isopropyl alcohol to clean the
laser scanner windows.
DO NOT touch the laser scanner windows
with your fingers.
a
Turn off the machine's power switch.
Unplug the telephone line cord first, and
then unplug the power cord from the
electrical socket.
b
Press the front cover release button and
then open the front cover.
C
C
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