Lexmark T64x 用户手册

Note: Firmware cards designed for other Lexmark printers may not work with the printer.

Remove the system board access cover. (See 

Note: If a firmware card has been installed, you must remove it. Only one firmware card is allowed.

Unpack the firmware card.

Holding the firmware card by the locking clips, align the plastic pins on the card with the holes on the system 
board.

Push the firmware card firmly into place, and release the locking clips. 

The entire length of the connector on the firmware card must touch the system board and be locked into the 
connector.

Be careful not to damage the connectors.

Connector

Firmware card