HP Color LaserJet Enterprise LaserJet Enterprise M751dn Color Printer, Ethernet Only; Duplex

Two-sided printing Print Print speed up to 40 ppm (black) and 40 ppm (color) Up to 1200 x 1200 dpi 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 Secure printing Yes Watermark printing Yes Print margins (top, bottom, right, left) 5 mm Time to first page (colour, normal) 6.1 s Time to first page (black, normal) 5.7 s Warm-up time 131 s Print speed (black, normal quality, A3) 26 ppm Print speed (colour, normal quality, A3) 26 ppm Print speed (colour, draft quality, A4/US Letter) 41 ppm Print speed (colour, normal