Brother MFC-9450CDN - Manual (Page 177)

Troubleshooting and routine maintenance
161
C
t
Hold the handle of the toner cartridge
and slide the toner cartridge into the
drum unit. Make sure that you match the
toner cartridge color to the same color
label on the drum unit, and make sure
that you fold down the toner cartridge
handle (A) once the toner cartridge is in
place. Repeat this for all the toner
cartridges.
1 C - Cyan
2 M - Magenta
3 Y - Yellow
4 K - Black
u
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).
A
1
2
3
4
1
1