HP LaserJet Enterprise M609dn A4 Mono laser Printer (K0Q21A) - Print Size: A4, Functions: Mono Print Only, Print Speed: Up to 71 ppm, Print Resolution: Up to 1200 x 1200 dpi, Duplex Printing: Automatic (standard), Memory: 512MB RAM, Connectivity: USB 2.0, Gigabit Ethernet 10/100/1000T network, Paper Handling: 550 Sheet Input Tray, 100 Sheet Multipurpose Feeder, Display: 2.7-inch Colour Display, Mobile printing capability: HP ePrint, Apple AirPrint, Mopria-certified