Print/Copy Speed : up to 56 ppm Black & Color (Letter/A4) First Page Out : 5.9/6.3 sec (B&W/Color - A4) Resolution : 1200 x 1200 Processor : 1.2 GHz Memory : 1.5 GB Input Tray : 550-sheet standard & 100-sheet multi-purpose Interface : 1 Hi-Speed Device USB 2.0; 2 Hi-Speed USB 2.0 rear host ports; 1 walkup USB 2.0 host port; 1 Gigabit/Fast Ethernet 10/100/1000 Base-TX network port; 1 Hardware Integration Pocket 2nd generation (HIP2) RMPV : up to 50,000 pages Monthly Duty Cycle : up to 250,000 pages Languange : HP PCL 6; HP PCL 5c; HP postscript level 3 emulation, native PDF printing (v 1.7), Apple AirPrint™, Google Cloud Print Additional Feature : automatic two-side printing, ePrint, airPrint