Brother MFC-9840CDW User Manual page 172

g
The following message appears on the
LCD when the machine has finished
cleaning.
DRUM CLEANING
COMPLETED
h
Press Stop/Exit so that the machine
returns to the Ready state.
i
Try to print again. If this problem still
remains, repeat steps c to h several
times.
If the problem still remains after
repeating step c to h several times, go
to step j.
j
Turn off the machine's power switch.
Unplug the telephone line cord first, and
then unplug the power cord from the
electrical socket.
k
Press the front cover release button and
then open the front cover.
160
l
Hold the green handle of the drum unit.
Lift the drum unit up and then pull it out
until it stops.