Brother DCP-9042CDN User Manual page 132

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
124
2
2
1
m
Insert the original orange packing
material for the drum unit until as shown
in the illustration, and then close the
front cover.
Push the drum unit back in until it
stops.