Brother MFC-9450CDN - Manual (Page 197)

Troubleshooting and routine maintenance
181
C
e
Unpack the new belt unit, and remove
the protective cover and paper.
f
Put the new belt unit in the machine.
Match the h mark on the belt unit to the
g
mark on the machine. Push down on
the green area of the belt unit to lock it in
place.
g
Put the drum unit back in the machine as
follows.
1
Make sure that the gray lock
lever (1) is in the up position and
put the drum unit in the machine.
Push down the gray lock lever (1).
1
1