OPTIONAL ACCESSORIES
15-8
MFC 4550/6550MC/7550MC
OP-US-5.0
Maintenance
Warning
• Hold
the
edge
of
the
memory
board.
Do
not
touch
the
surface
of
the
board.
• Make
sure
the
memory
board
is
securely
seated
in
the
main
controller
board.
4. Reinstall
the
main
controller
board
in
the
MFC
by
sliding
it
into
guide
rails.
5. Secure
the
main
controller
board
with
the
three
screws.
LINE
EXT.
Main controller board
Screw
6. Reconnect
the
interface
cable.
7. Plug the power cord into the AC outlet.