Chances are the card has a DB-37 port on it. Its designed to connect to a "dumb" laser printer that just has a so called "video port" on it. Its actually a full printer controller.
http://www.printerworks.com/Catalogs/SX-Catalog/SX-LBP_VDO.html
http://www.printerworks.com/Catalogs/SX-Catalog/SX-LBP_VDO.html