Fast, high-quality printing at up to 23 ppm Automatic two-sided printing Wireless 802.11b/g/n interface, Ethernet, Hi-Speed USB 2.0 High-impact business printing, at up to 600 x 2400 dp 250-sheet capacity paper tray, adjustable for letter or legal 600 x 2400 dpi 23 ppm Black & Color Wi-Fi, Ethernet, AirPrint, Cloud Print Mobile Device Printing Automatic Duplex Printing Input Capacity 250 Sheets Monthly Duty Cycle 30,000 Pages Internal Memory 128 MB