Brother International MFC-9970CDW Advanced Users Manual - English - Page 68

Cleaning the laser scanner windows, e - laser unit

Page 68 highlights

d In the ADF unit, clean the white bar (1) and the glass strip (2) underneath it with a soft lint-free cloth moistened with water. 1 2 Cleaning the laser scanner windows A 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 Press the front cover release button and then open the front cover. 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 AC power outlet first, connect all cables, and then plug in the telephone line cord. Turn on the machine's power switch. 62

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62
d
In the ADF unit, clean the white bar (1)
and the 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 AC power outlet first, connect all
cables, and then plug in the telephone
line cord. Turn on the machine’s power
switch.
Cleaning the laser scanner
windows
A
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
Press the front cover release button and
then open the front cover.
2
1