Brother DCP-7040 - Manual (Page 79)

Troubleshooting and routine maintenance
67
B
To prevent damage to the machine caused
by static electricity, DO NOT touch the
electrodes shown in the illustration.
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.
g
Plug the machine’s power cord back into
the AC power outlet first, and then
reconnect all cables. Turn on the
machine’s power switch.
CAUTION
To avoid print quality problems, DO NOT
touch the shaded parts shown in the
illustrations below.
1