Xerox Phaser 3155. Maximum resolution: 600 x 1200 DPI, Maximum duty cycle: 12000 pages per month, Standard printer languages: GDI. Print speed (black, normal quality, A4/US Letter): 24 ppm, Time to first page (black, normal): 8s. Standard input capacity: 250 sheets. Standard output capacity: 80 sheets. Maximum ISO A-series paper size: A4, Standard tray media types: Plain paper, ISO A-series sizes (A0...A9): A4, A5