Brother MFC 7840W - Manual (Page 133)

Troubleshooting and routine maintenance
119
B
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.
Cleaning the scanner glass
B
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.
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
3
2
1
2