HP LASERJET PRINTER 1606DN ( AUTO DUPLEX AND NETWORKING ) The HP LaserJet Pro P1606dn datasheet is a technical document detailing the specifications of the printer, including its print speed of up to 25 ppm (A4), 600 x 600 dpi resolution (1200 effective), and automatic duplex printing. Key features include a 400 MHz processor, 32 MB of non-expandable memory, standard Ethernet networking, and a recommended monthly duty cycle of 250 to 2000 pages. General specifications Print speed: Up to 25 ppm (