HP LaserJet Pro 4002dw Printer, Print, Two-sided printing; Fast first page out speeds; Compact Size; Energy Efficient; Strong Security; Dualband Wi-Fi. Print technology: Laser. Number of print cartridges: 1, Maximum duty cycle: 80000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter) : 40 ppm, Duplex printing. Display: LCD. Wi-Fi. Product colour: White