Brother DCP 9040CN - Manual (Page 130)

118
Replacing the waste toner box
C
WARNING
DO NOT reuse the waste toner box.
DO NOT put the waste toner box into a fire.
It could explode, resulting in injuries.
Be careful not to spill the toner. DO NOT
inhale or allow it to get into your eyes.
CAUTION
Handle the waste toner box carefully. If
toner scatters on your hands or clothes,
wipe or wash it off with cold water at once.
a
Press the front cover release button and
then open the front cover.
b
Hold the green handle of the drum unit.
Lift the drum unit up and then pull it out
until it stops.