Brother DCP-9040CN User Manual page 106

Note
When you put the drum unit in the
machine, match the green guides (1) of
the drum unit handle to the green
arrows (2) on both sides of the machine.
2
1
92
2
2
m
Close the front cover of the machine.
1
n
Plug the machine's power cord back into
the AC power outlet first, and reconnect
all cables. Turn on the machine's power
switch.
Push the drum unit in until it stops.