HP LaserJet Pro 4112fdw Black and white Printer, Ethernet Only; Copier, Scanner; Duplex. 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): 45 ppm, Duplex printing. Display: CGD. Wi-Fi