Turn off the printer, and then unplug the power cord from the electrical outlet.
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.
Remove the fax cover.
Remove the fax bracket.
Install the fax card to the bracket.
Install the fax card and attach the connector to the controller board.
Attach the controller board shield.
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.