Samsung ML-4551NR. Maximum resolution: 1200 x 1200 DPI, Maximum duty cycle: 200000 pages per month, Print technology: Laser. Print speed (black, normal quality, A4/US Letter): 43 ppm, Time to first page (black, normal): 8.5s. Standard input capacity: 500 sheets, Input capacity (tray 2): 100 sheets. Standard output capacity: 250 sheets. Maximum ISO A-series paper size: A4, Standard tray media types: Envelopes, Labels, Plain paper, Transparencies, ISO A-series sizes (A0...A9): A4, A5, A6