Wireless; Print from phone or tablet; Two-sided printing Print Print speed up to 33 ppm black & color (A4) Up to 600 x 600 dpi; Up to 38,400 x 600 enhanced dpi Fast colour printing and easy set up. Get a blazing fast colour printer and easy set up 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. Printing Watermark printing Yes Print margins (top, bottom, right, left) 4.23 mm Time to first page (colour, normal) 10.5 s Time to first page (black, normal) 9.5 s Warm-up time 50 s Print speed (colour, normal quality, A4/US Letter) 33 ppm