Serial interface board; Main controller board; Option slot cover plate- Page 199
Brother 7550MC User Manual
Table of Contents
OPTIONAL ACCESSORIES
15-2
MFC 4550/6550MC/7550MC
OP-US-5.0
Maintenance
4. To
install
the
serial
interface
board
onto
the
main
controller
board,
plug
the
board
serial
interface
board
into
the
upper
left
connectors
on
the
main
controller
board.
5. Secure
the
serial
interface
board
with
the
two
screws.
Warning
• Hold
the
edge
of
the
serial
interface
board.
Do
not
touch
the
surface
of
the
board.
• Make
sure
the
serial
interface
board
is
securely
seated
on
the
main
controller
board.
3. Unscrew
the
two
screws
and
remove
the
option
slot
cover
plate
and
keep
it
in
a
safe
place.
LINE
EXT.
Connector
Serial interface board
Main controller board
Screw
6. Reinstall
the
main
controller
board
in the MFC by sliding it into the
guide
rails.
7. Secure the main controller board
with
the
three
screws.
LINE
EXT.
Main controller board
Screw
LINE
EXT.
Screw
Option slot cover plate
Detailed Information for Brother 7550MC User Manual
Lists of information found in Brother 7550MC User Manual - Page 199
- 5.0 Maintenance 4.
- 5. Secure the serial interface board with the two screws.
- 3. Unscrew the two screws and remove the option slot cover plate and keep it in a safe place.
- 6. Reinstall the main controller board in the MFC by sliding it into the guide rails.
- 7. Secure the main controller board with the three screws.
- Hold the edge of the serial interface board.
- Make sure the serial interface board is securely seated on the main controller board.
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