
Troubleshooting and routine maintenance
127
B
Cleaning the scanner glass
B
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
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.
d
Plug the machine’s power cord back into
the electrical socket first, and reconnect
all cables and telephone line cord. Turn
on the machine.
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.
1
3
2
1
2
Содержание MFC-7340
Страница 1: ...USER S GUIDE MFC 7340 MFC 7450 MFC 7440N MFC 7840N MFC 7840W Version A ARL ASA NZ ...
Страница 4: ...ii ...
Страница 11: ...Section I General I General information 2 Loading paper and documents 9 General setup 21 Security features 25 ...
Страница 17: ...General information 7 1 ...
Страница 82: ...Chapter 11 72 ...
Страница 83: ...Section III Copy III Making copies 74 ...
Страница 90: ...Chapter 12 80 ...
Страница 91: ...Section IV Software IV Software and Network features 82 ...
Страница 94: ...Chapter 13 84 ...