Cleaning The Drum Unit - Brother MFC-9970CDW Advanced User's Manual

i
Push the drum unit in until it stops.
j
Close the front cover of the machine.
70

Cleaning the drum unit

If your printout has colored 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 Black Start or Color Start.
f
Turn off the machine's power switch.
Unplug the telephone line cord first,
disconnect all cables, and then unplug
the power cord from the AC power
outlet.
A