Lexmark T644, Laser, 2400 x 2400 DPI, A4, 48 ppm
Lexmark T644. Print technology: Laser. Maximum duty cycle: 250000 pages per month. Maximum resolution: 2400 x 2400 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 48 ppm