Brother DCP-L8400CDN Basic User's Manual page 75

i
Turn the blue lock lever (1) clockwise to
the lock position.
j
Push the drum unit in until it stops.
k
l
1
Routine maintenance
Close the front cover of the machine.
When you replace the belt unit with a
new one, you need to reset the belt unit
counter. Instructions of how to do this
can be found in the box your new belt
unit came in.
A
67