HP Color LaserJet Enterprise M555x, Print, Two-sided printing

<b></b> <br><br>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.HP Color LaserJet Enterprise M555x, Print, Two-sided printing. Print technology: Laser, Colour. Number of print cartridges: 4, Maximum duty cycle: 80000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 38 ppm, Duplex printing. Display: CGD. Wi-Fi