Lexmark 632n - T B/W Laser Printer Service Manual page 213

4060-xxx
System board installation
Note: The replacement system board assembly contains a communications board connected to the
system board. To install, you need to separate the boards.
Warning: Observe all ESD precautions while handling ESD-sensitive parts. See
sensitive parts" on page
1.
Flex the communications board to separate the boards.
2.
For non-network models, connect the communications board bracket to the communication
board with two screws (A).
3.
Clip the communications board shield ground clip on the frame and insert the communications
card into the interconnect card slot.
4.
Replace the communications board shield mounting screw to connect the bracket to the frame.
5.
Insert the communications board mounting screw.
6.
Install the system board.
7.
Insert the USB screw.
8.
Replace the five mounting screws.
9.
Replace the features/options and reconnect all cables.
4-60
Service Manual
4-1.
A
"Handling ESD-