Lexmark C544DTN Duplex Colour Laser Printer. Maximum resolution: 1200 x 1200 DPI, Maximum duty cycle: 55000 pages per month, Print technology: Laser. Print speed (black, normal quality, A4/US Letter): 23 ppm, Print speed (colour, normal quality, A4/US Letter): 23 ppm, Time to first page (black, normal): 11s. Standard input capacity: 900 sheets, Maximum input capacity: 900 sheets. Standard output capacity: 100 sheets, Maximum output capacity: 100 sheets. Maximum ISO A-series paper size: A4, Standard tray media types: Labels, Plain paper, Transparencies, ISO A-series sizes (A0...A9): A4, A5