Brother MFC-9120CN User Manual page 188

h
Put the new toner cartridge firmly into
the drum unit until you hear it lock into
place.
h
Note
Make sure that you put in the toner
cartridge properly or it may separate from
the drum unit.
i
Slide the drum unit and toner cartridge
assembly into the machine. Make sure
that you match the toner cartridge color
to the same color label on the machine.
172
C
M
Y
K
C-Cyan M-Magenta Y-Yellow K-Black
j
Close the top cover of the machine.
k
Plug the machine's power cord back into
the AC power outlet first, and reconnect
all cables and the telephone line cord.
Turn on the machine's power switch.
Note
DO NOT turn off the machine's power
switch or open the top cover until the LCD
returns to the Ready mode.
IMPORTANT
While removing the drum unit, handle it
carefully because it may contain toner. If
toner scatters on your hands or clothes,
wipe or wash it off with cold water at once.