Lexmark C746x User Manual page 24

Additional printer setup
5
Attach the ISP solution to the system board.
a
Align the posts of the plastic tee to the holes on the system board.
b
Hold the edges of the ISP and guide it to the opening on the system board cage, and then gently allow it to rest
on the plastic tee.
c
Use the provided screw to attach the plastic bracket to the ISP solution.
24