HP LaserJet Pro 4002dw Printer, black and white. Printer for small medium businesses. Print, two-sided printing; Fast first page out speeds; Compact Size; Energy Efficient; Strong Security; Dual band Wi-Fi: Maximum productivity. Seamless management. Get blazing fast printing speeds and easy management tools with LaserJet Pro. Dynamic security enabled printer 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. 256M memory. Mobile printing capability; HP Smart App, Apple AirPrint, Mopria Certified and Wi-Fi Direct printing. Controlled via 2 line back lit LCD graphic display. Connectivity via: 1 Hi-Speed USB 2.0, 1 host USB (rear), Gigabit Ethernet 10/100/1000BASE-T network, Wi-Fi radio and Bluetooth. Two paper input trays. Ideal for offices with teams of up to 10 users (4,000 pages/month)