Brother MFC 9970CDW - Manual (Page 83)

Routine maintenance
77
A
t
Turn the green lock lever (1) clockwise
to the lock position.
u
Push the drum unit in until it stops.
v
Close the front cover of the machine.
w
Plug the machine’s power cord back into
the AC power outlet first, connect all
cables, and then plug in the telephone
line cord. Turn on the machine’s power
switch.
1