Samsung ML-2850D Mono Laser Printer. Maximum resolution: 1200 x 1200 DPI, Print technology: Laser. Print speed (black, normal quality, A4/US Letter): 28 ppm. Standard input capacity: 250 sheets. Maximum ISO A-series paper size: A4, Standard tray media types: Envelopes, Labels, Plain paper, ISO A-series sizes (A0...A9): A4, A5. Internal memory: 32 MB, Maximum internal memory: 160 MB