Brother MFC-9840CDW User Manual page 212

l
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).
1
196
1
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
2
1