Samsung ML-1910, Laser, 600 x 1200 DPI, A4, 18 ppm Samsung ML-1910. Print technology: Laser. Number of print cartridges: 1, Maximum duty cycle: 10000 pages per month. Maximum resolution: 600 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 18 ppm