Brother MFC MFC-7840W User Manual page 135

CAUTION
To prevent damage to the machine caused
by static electricity, DO NOT touch the
electrodes shown in the illustration.
We recommend that you place the drum
unit on a clean, flat surface with a sheet of
disposable paper or cloth underneath it in
case you accidentally spill or scatter toner.
Troubleshooting and routine maintenance
c
Wipe the laser scanner window by
wiping it with a clean soft, dry lint-free
cloth.
d
Put the drum unit and toner cartridge
assembly back in the machine.
e
Close the front cover.
f
Plug the machine's power cord back into
the AC power outlet first, and then plug
in the telephone line cord.
Turn on the machine's power switch.
B
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