Cleaning The Drum Unit - Brother 9840CDW - Color Laser - All-in-One User Manual

j
Push the drum unit in until it stops.
k
Close the front cover of the machine.
l
Plug the machine's power cord back into
the AC power outlet first, and reconnect
all cables and telephone line cord. Turn
on the machine's power switch.
Troubleshooting and routine maintenance

Cleaning the drum unit

If you have the following print quality
problems, clean the drum unit as follows.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
75 mm / 2.95 in.
75 mm / 2.95 in.
a
Press the front cover release button and
then open the front cover.
b
Close the front cover of the machine.
The machine starts warming up, wait
until it finishes warming up before going
on to step c.
C
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
C
161