Samsung Xpress SL-C480, Laser, 2400 x 600 DPI, A4, 18 ppm, Black, White Samsung Xpress SL-C480. Print technology: Laser. Maximum duty cycle: 20000 pages per month. Maximum resolution: 2400 x 600 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 18 ppm. Display: LCD, Product colour: Black, White