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. This printer is intended to work only with cartridges that have a new or reused HP chip, and it uses dynamic security measures to block cartridges using a non-HP chip. Periodic firmware updates will maintain the effectiveness of these measures and block cartridges that previously worked. A reused HP chip enables the use of reused, remanufactured, and refilled cartridges.