The Canon EB-05 IEEE1394 Expansion Board fits the imagePROGRAF iPF500, iPF5000, iPF510, iPF5100, iPF600, iPF605, iPF610, iPF6100, iPF700, iPF710, iPF720, iPF8000, iPF8000S, iPF810, iPF810 PRO, iPF8100, iPF820, iPF820 PRO, iPF9000, iPF9000S, iPF9100, W6400, W8400, & W8400D printers. It is installed in the printer's provided expansion bay, and provides a FireWire interface to significantly speed the rate of information exchange between your computer and the printer.