Two-sided printing; Fast first page out speeds; Energy Efficient; Compact Size; Strong Security Print Up to 40 ppm (A4) Fine Lines (1200 x 1200 dpi) Maximum productivity. Seamless management. Get blazing fast printing speeds and easy management tools with LaserJet Pro.. HP JetIntelligence CartridgeDynamic 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. Printing Economical printing Yes Secure printing Yes Watermark printing Yes Booklet printing function Yes Time to first page (black, normal) 6.3 s Warm-up time 45 s Print speed (black, normal quality, A4/US L