Lexmark X4250 All-in-One (21C0000) Up to 19 ppm print speed black, 10 ppm color Up to 4,800 x 1,200 dpi color print resolution, 2,400 x 1,200 dpi black Sheet-fed multi-page scanning, up to 600 x 1,200 dpi optical resolution PC-free copying, up to 12 cpm black, 5 cpm color 33.6 kbps modem, color faxing; USB interface