Lexmark MX520 MX521de Laser Multifunction Printer-Monochrome-Copier/Scanner-46 ppm Mono Print-1200x1200 Print-Automatic Duplex Print-120000 Pages Monthly-350 sheets Input-Color Scanner-600 Optical Scan-Gigabit Ethernet Ethernet - Copier/Printer/Scanner - 46 ppm Mono Print - 1200 x 1200 dpi Print - Automatic Duplex Print - Upto 120000 Pages Monthly - 350 sheets Input - Color Scanner - 600 dpi Optical Scan - Gigabit Ethernet Ethernet - USB - For Plain Paper Print