Brother MFC-8660DN - Manual (Page 144)

130
Cleaning the corona wire
C
We recommend that you put the drum unit
and toner cartridge assembly on a piece of
disposable paper or cloth in case you
accidentally spill or scatter toner.
a
Open the front cover and take out the
drum unit and toner cartridge assembly.
b
Clean the primary corona wire inside the
drum unit by gently sliding the blue tab
from right to left and left to right several
times.
c
Return the blue tab and snap it into the
home position (b).
CAUTION
If you do not return the blue tab to the home
position (b), your printed pages may have
vertical black stripes on them.
d
Put the drum unit and toner cartridge
assembly back in the machine.
e
Close the front cover.