HP LaserJet Pro 4003DN Monochrome Laser Printer with Duplex and Network Capabilities up to 40 PPM: HP LaserJet Pro 4003DN Printer (2Z609A) Printer HP LaserJet Pro 4003dn (2Z609A) Every tech specification Features Print Speed Black (ISO, letter) Print speed Up to 42 parts per million Black print speed (ISO, A4) The first page is black (letter, ready) and can reach 40 ppm. As quick as 6.1 seconds