Lexmark T640n. Maximum resolution: 2400 x 2400 DPI, Maximum duty cycle: 200000 pages per month, Print technology: Laser. Print speed (black, normal quality, A4/US Letter): 33 ppm, Time to first page (black, normal): 6s. Standard input capacity: 350 sheets, Maximum input capacity: 3850 sheets, Multi-Purpose tray capacity: 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