Lexmark T644DTN, Laser, 1200 x 1200 DPI, A4, 47 ppm, Duplex printing, Network ready
Lexmark T644DTN. Print technology: Laser. Maximum duty cycle: 250000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 47 ppm, Duplex printing. Network ready