Print from phone or tablet; Automatic document feeder; Two-sided printing. Print, copy, scan, fax. 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 management tools with LaserJet Pro. TerraJet Cartridge. 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. Print technology. Laser. Printing. Colour printing. Duplex printing. Yes. Duplex printing mode. Auto. Maximum resolution. 600 x 600 DPI. Print resolution colour. 600 x 600 DPI. Print resolution black. 600 x 600 DPI. Print speed (black, normal quality, A4/US Letter). 33 ppm. Print speed (colour, normal quality, A4/US Letter). 33 ppm.