![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Turn off the printer, and then unplug the power cord from the electrical outlet.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Using a flat‑head screwdriver, remove the controller board shield.
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 components or connectors.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Unpack the Trusted Platform Module.
Warning—Potential Damage: Avoid touching the connection points along the edge of the card.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Locate the TPM connector.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Attach the module to the TPM connector.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Attach the controller board shield.
![](https://publications.lexmark.com/media/ids_assets/images/transparent.png)
Connect the power cord to the electrical outlet, and then turn on the printer.
CAUTION—POTENTIAL INJURY: To avoid the risk of fire or electrical shock, connect the power cord to an appropriately rated and properly grounded electrical outlet that is near the product and easily accessible.