Epson AcuLaser M2400D, Laser, 1200 x 1200 DPI, A4, 35 ppm, Duplex printing Epson AcuLaser M2400D. Print technology: Laser. Maximum duty cycle: 50000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 35 ppm, Duplex printing