Brother MFC-7340 User Manual page 131

d
Clean the primary corona wire inside the
drum unit by gently sliding the green tab
from right to left and left to right several
times.
CAUTION
Be sure to return the green tab to the home
position (a) (1). If you do not, printed pages
may have a vertical stripe.
e
Put the drum unit and toner cartridge
assembly back in the machine.
f
Close the front cover.
Troubleshooting and routine maintenance
g
Plug the machine's power cord back into
the electrical socket first, and then
reconnect all cables and telephone line
cord. Turn on the machine.
CAUTION
To avoid print quality problems, DO NOT
touch the shaded parts shown in the
illustrations below.
1
B
121