HP Color Laser 150nw, Print. Print technology: Laser, Colour. Number of print cartridges: 4, Maximum duty cycle: 20000 pages per month. Maximum resolution: 600 x 600 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 18 ppm, Duplex printing. Display: LED. Network ready, Wi-Fi. Product colour: White