Lexmark MS810dtn. Maximum resolution: 1200 x 1200 DPI, Maximum duty cycle: 250000 pages per month, Standard printer languages: Microsoft XPS, PCL 5e, PCL 6, PDF 1.7, PostScript 3, PPDS. Print speed (black, normal quality, A4/US Letter): 52 ppm, Time to first page (black, normal): 4.8s, Duplex print speed (black, normal quality, A4/US Letter): 32 ppm. Standard input capacity: 1200 sheets, Maximum input capacity: 4400 sheets. Standard output capacity: 550 sheets, Maximum output capacity: 2550 sheets. Maximum ISO A-series paper size: A4, Standard tray media types: Card stock, Envelopes, Labels, Plain paper, Transparencies, ISO A-series sizes (A0...A9): A4, A5, A6