Lexmark MX520 MX521ade Laser Multifunction Printer-Monochrome-Copier/Scanner-46 ppm Mono Print-1200x1200 Print-Automatic Duplex Print-120000 Pages Monthly-350 sheets Input-Color Scanner-1200 Optical Scan-Gigabit 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 - 1200 dpi Optical Scan - Gigabit Ethernet - USB - For Plain Paper Print