Epson Epson B-500DN. Maximum resolution: 5760 x 1440 DPI, Maximum duty cycle: 20000 pages per month. Print speed (black, normal quality, A4/US Letter): 91 ppm, Time to first page (black, normal): 3 s. Internal memory: 32 MB. Standard input capacity: 650 sheets, Auto document feeder (ADF) input capacity: 150 sheets. Standard tray media types: Envelopes, ISO A-series sizes (A0...A9): A4, A5, A6, ISO B-series sizes (B0...B9): B5