Canon PIXMA iP4000 Photo Printer Up to 4,800 x 1,200 dpi color resolution, 600 x 600 dpi black Up to 25 ppm black, 17 ppm color; 4-by-6-inch photo in about 36 seconds ContrastPLUS 5-color ink system; built-in two-sided printing Flexible connections with 802.11g wireless and US; Direct print port, PictBridge compatible USB and parallel interfaces; PC and Mac compatible