OPTIONAL ACCESSORIES
15-7
MFC 4550/6550MC/7550MC
OP-US-5.0
1. Unplug
the
power
cord
from
the
AC
outlet
and
disconnect
the
interface
cable.
Warning
Unplug
the
power
cord
before
installing
(or
removing)
the
memory
board.
LINE
EXT.
Installing
the
Optional
Memory
Board
3. To
install
the
memory
board
onto
the
main
controller
board,
use
the
attached
spacer
and
plug
it
into
the
lower
right
connectors
of
the
main
controller
board.
LINE
EXT.
Main controller board
Memory
board
Spacer
2. Unscrew the three screws securing
the
main
controller
board
plate
and
pull
out
the
board.
Warning
Do
not
touch
the
surface
of
the
main
controller
board.
LINE
EXT.
Main controller board
Screw