Samsung Xpress M2620D, Laser, 4800 x 600 DPI, A4, 26 ppm, Duplex printing Samsung Xpress M2620D. Print technology: Laser, Maximum resolution: 4800 x 600 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 26 ppm, Duplex printing