* Photo print speed based on default printer driver mode using Canon Photo Paper Pro. Print speeds will vary depending on system configuration, software, document complexity, print mode and page coverage. ** Resolution may vary based on printer driver setting. Maximum resolution of 4800 x 1200 dpi used at the bottom edge of the page. ¿ FireWire compatible with Mac OS only. USB Interface supports both Mac and Windows OS. Built-in USB 2.0 Hi-Speed Interface requires Windows XP (Service Pack 1), Windows 2000 (Service Pack 4) or Mac OS X v 10.2.7 to 10.3.x. See www.canontechsupport.com for updated compatibility. ¿¿ Will vary based on composition of images/documents printed.