Cleaning The Drum Unit - Brother MFC-8950DW 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 the steps below to
solve the problem.
a
Make sure that the machine is in the
Ready mode.
b
Press Menu.
c
Press a or b to display
Print Reports.
Press Print Reports.
d
Press a or b to display Drum Dot
Print.
Press Drum Dot Print.
e
The machine will display
Press Start. Press Start.
f
Leave the machine turned on for
10 minutes for the internal fan to cool
the extremely hot parts inside the
machine.
g
After the machine has cooled down, turn
off the machine's power switch.
h
Press the front cover release button and
A
then open the front cover.
i
Take out the drum unit and toner
cartridge assembly.
Routine maintenance
67
A