2 paper trays 2 Laser technology Laser HP LaserJet 4300tn, Laser, 1200 x 1200 DPI, A4, 43 ppm, O, White HP LaserJet 4300tn. Print technology: Laser. Maximum duty cycle: 200000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 43 ppm, Duplex printing: O. Product colour: White