Ricoh Aficio SP 4100N, Laser, 600 x 1200 DPI, A4, 31 ppm, Network ready Ricoh Aficio SP 4100N. Print technology: Laser, Maximum resolution: 600 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 31 ppm. Network ready