Lexmark XM7100 Series User Manual page 34

Additional printer setup
Warning—Potential Damage: Controller board electronic components are easily damaged by static electricity.
Touch a metal surface on the printer before touching any controller board electronic components or connectors.
1
Access the controller board.
For more information, see
2
Unpack the optional card.
Warning—Potential Damage: Avoid touching the connection points along the edge of the card.
3
Holding the card by its sides, align the plastic pins (1) on the card with the holes (2) on the controller board.
4
Push the card firmly into place as shown in the illustration.
"Accessing the controller board" on page
1
28.
2
34