HP LaserJet Pro M521dn Multifunction Printer (A8P79A) - Print Size: A4, Functions: Print, copy, scan&fax, Print Speed: Up to 40 ppm, Print Resolution: Up to 1200 x 1200 dpi, Duplex Printing: Automatic (standard), Memory: 256MB RAM, Connectivity: USB 2.0, Gigabit Ethernet 10/100/1000Base-TX, Telecom&Phone, Paper Handling: 500-sheet input tray, 50-sheet Automatic Document Feeder (ADF), 100-sheet multipurpose tray, Display: 8.89 cm colour touchscreen, Mobile printing capability: HP ePrint&Apple AirPrint