Brother MFC-L8690CDW. Print technology: Laser, Colour. Number of print cartridges: 4, Maximum duty cycle: 40000 pages per month. Maximum resolution: 2400 x 600 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 31 ppm, Duplex printing. Display: LCD. Network ready, Wi-Fi. Product colour: Black, Grey