HP Officejet H470b Mobile Printer, Officejet. Maximum resolution: 4800 x 1200 DPI. Print speed (black, normal quality, A4/US Letter): 7.7 ppm, Print speed (colour, draft quality, A4/US Letter): 18 ppm, Print speed (black, draft quality, A4/US Letter): 22 ppm. Internal memory: 32 MB, Maximum internal memory: 32 MB. Standard input capacity: 50 sheets, Maximum input capacity: 50 sheets. Standard tray media types: Card stock, Envelopes, Labels, Photo paper, Plain paper, Transparencies, ISO A-series sizes (A0...A9): A4, A5, A6, Non-ISO print media sizes: executive, legal, letter, statement