Ultimate, all-around productivity Count on fast print speeds up to to 24 ppm[1], single-pass two-sided copy/scan, automatic two-sided printing, and a 500 sheet paper tray. Choose HP+, the smart printing system that keeps you connected and ready to print from virtually anywhere.[2] Dynamic security Dynamic security enabled printer Product Disclaimer Certain HP printers are intended to work only with cartridges that have a new or reused HP chip or electronic circuitry. These printers use dynamic security measures to block cartridges using a non-HP chip or electronic circuitry. Periodic firmware updates will maintain the effectiveness of these measures and block cartridges that previously worked. Reused HP chips and electronic circuitry enable the use of reused, remanufactured, and refilled cartridges. More at http://www.hp.com/learn/ds
