Cleaning The Scanner Glass - Brother MFC MFC-7840W User Manual

c
Wipe the outside of the machine with a
soft cloth to remove dust.
d
Remove anything that is stuck inside the
paper tray.
e
Wipe the inside and the outside of the
paper tray with a soft cloth to remove
dust.
f
Re-load the paper and put the paper tray
firmly back in the machine.
g
Plug the machine's power cord back into
the AC power outlet first, and reconnect
all cables and telephone line cord. Turn
on the machine's power switch.
Troubleshooting and routine maintenance

Cleaning the scanner glass

a
Turn off the machine's power switch.
Unplug the telephone line cord first,
disconnect all cables and then unplug
the power cord from the AC power
outlet.
b
Lift the document cover (1).
Clean the white plastic surface (2) and
scanner glass (3) underneath it with a
soft lint-free cloth moistened with water.
1
2
3
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 water.
1
B
2
119
B