Lexmark Z55SE COLOR JET. Maximum resolution: 4800 x 1200 DPI. Print speed (black, normal quality, A4/US Letter): 17 ppm, Resolution colour: 4800 x 1200 DPI, Print speed (colour, normal quality, A4/US Letter): 13 ppm. Maximum input capacity: 100 sheets. Maximum output capacity: 50 sheets. Maximum ISO A-series paper size: A4, Maximum print size: A4 (210 x 297 mm)