Brother MFC 9970CDW - Manual (Page 102)

94
d
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.
Note
In addition to cleaning the scanner glass
and glass strip with a soft lint-free cloth
moistened with water, run your finger tip
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.
e
Plug the machine’ s power cord back
into the electrical socket first, connect all
cables, and then plug in the telephone
line cord. Turn on the machine.
Cleaning the laser scanner
windows
A
a
Turn off the machine. Unplug the
telephone line cord first, disconnect all
cables, and then unplug the power cord
from the electrical socket.
b
Press the front cover release button and
then open the front cover. 2
1