Brother DCP-310CN, Colour printing, 1200 x 6000 DPI, Colour copying, Colour scanning, A4 Brother DCP-310CN. Printing: Colour printing, Maximum resolution: 1200 x 6000 DPI, Print speed (colour, normal quality, A4/US Letter): 15 ppm. Copying: Colour copying. Scanning: Colour scanning, Optical scanning resolution: 600 x 2400 DPI. Maximum ISO A-series paper size: A4