Cleaning The Drum Unit - Brother MFC-9130CW Advanced User's Manual

Cleaning the drum unit

If your printout has black or white dots or
other repeating marks at 3.7 in. (94 mm)
intervals, the drum may have foreign
material, such as glue from a label stuck on
the drum surface. Follow these steps to solve
the problem.
a
Make sure the machine is in the Ready
mode.
b
Press .
c
Press All Settings.
d
Swipe up or down, or press a or b to
display Print Reports.
e
Press Print Reports.
f
Swipe up or down, or press a or b to
display Drum Dot Print.
g
Press Drum Dot Print.
h
The Touchsceen will show
Press [OK].
Press OK.
i
The machine will print the Drum Dot
Check Sheet. Then press
j
Press and hold down
machine.
70
k
A
l
.
to turn off the
Open the top cover until it locks in the
open position.
The color of printed dots is the color of
the drum you should clean. Remove the
toner cartridge and drum unit assembly
of the color causing the problem.