Print size: a4 / functions: print, copy, scan and fax print speed: up to 22 ppm (black), up to 18 ppm (colour) print resolution: up to 4800 x 1200 dpi duplex printing: automatic connectivity: 1 x usb 2.0, 1 x ethernet, wireless 802.11a/b/g/n, 2 x rj-11