Cleaning The Drum Unit - Brother MFC-9440CN User Manual

Cleaning the drum unit

If you have print quality problems caused by
repeating marks on the page, clean the drum
unit as follows.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
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.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
75 mm
75 mm
Troubleshooting and routine maintenance
c
Pull out the MP tray (1) and unfold the
C
MP tray support flap (2).
1
d
Put a blank sheet of A4 or Letter sized
paper in the MP tray.
e
While pressing and holding down
Clear/Back press d until
DRUM CLEANING is displayed on the
LCD.
f
Press Mono Start or Colour Start. The
paper will feed into the machine to start
the drum cleaning.
g
The following message appears on the
LCD when the machine has finished
cleaning.
DRUM CLEANING
COMPLETED
2
155
C