Lexmark MS531dw Mono Laser Printer (38S0315) - Print Size: A4, Functions: Print Only, Print Speed: Up to 44pm, Print Resolution: Up to 1200 x 1200 dpi, Memory: 512MB RAM, Duplex Printing: Automatic, Connectivity: Hi-Speed USB 2.0 Type-A, Hi-Speed USB 2.0 Type-B, Gigabit Ethernet, Wireless 802.11a/b/g/n/ac + Apple iBeacon, Paper Handling: 250 Sheet Input Tray, 100 Sheet Multipurpose Feeder, 2.8-inch Colour Touchscreen Display, Recommended Monthly Page Volume: 2000 to 15000 pages