
Troubleshooting and routine maintenance
129
B
CAUTION
To prevent damage to the machine caused
by static electricity, DO NOT touch the
electrodes shown in the illustration.
We recommend that you place the drum
unit on a clean, flat surface with a sheet of
disposable paper or cloth underneath it in
case you accidentally spill or scatter toner.
c
Wipe the laser scanner window by
wiping it with a clean soft, dry lint-free
cloth.
d
Put the drum unit and toner cartridge
assembly back in the machine.
e
Close the front cover.
f
Plug the machine’s power cord back into
the electrical socket first, and then plug
in the telephone line cord.
Turn on the machine.
Cleaning the corona wire
B
If you have print quality problems, clean the
corona wire as follows:
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
Open the front cover.
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 ...