Brother MFC-8520DN User Manual page 87

d
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.
2
e
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
2
Note
In addition to cleaning the scanner glass
and glass strip with a soft lint-free cloth
moistened with water, run your finger tip
1
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.
f
Close the document cover.
3
g
Plug the machine's power cord back into
the electrical socket first, connect all
cables, and then plug in the telephone
line cord.
h
Turn on the machine.
Routine maintenance
79
A