Recommended number of pages per month: 2,000 to 7,500 Memory [MB]: Default: 512MB; Maximum: Maximum memory of 1.5 GB when optional DIMM is installed Duplexing: Automatic duplex printing Tray Capacity [p]: 100-sheet multipurpose tray 1, 550-sheet input tray 2 Optional 550-Sheet Paper Tray - Up to 3 pcs Input Capacity (Standard/Maximum) Up to 650/2,300 sheets Interface: 1 Hi-Speed USB 2.0 Port; 2 Hi-Speed USB 2.0 Host Ports; 1 Gigabit Ethernet port; 1 hardware integration interface Optional: Wireless Direct/NFC Touch-to-Print, Wi-Fi Dual Band with Bluetooth Low Energy Print Languages: HP PCL 6, HP PCL 5 (HP PCL 5 driver available only from the Web), HP Postscript Level 3 emulation, PDF native print (v 1.7), Apple AirPrint Scanner: no Fax: no Consumption [W]: 601 W (in progress), 7.60 W (Standby), 2.61 W (Sleep), 0.06 W (Manual Shutdown), 0.06 W (Off), Auto Power Off/ wake over LAN 0.73 W; Noise level [dB]: Sound pressure emissions: 55 dB (A) Dimensions [W x D x H] mm]: Min. 418 x 376 x 299mm; Maximum: 418 x 639 x 299 mm; Weight [kg]: 11.48 kg Supported Operating Systems: Operating system Windows Client (32/64-bit), Win10, Win8.1, Win8 Basic, Win8 Enterprise, Win8 Enterprise, Win7 Enterprise N, Win7 Starter Edition SP1, UPD Win7 Ultimate, Mobile Operating System, iOS, Android macOS Sierra v10.12, Apple macOS High Sierra v10.13, Apple macOS Moja