Sharp MX-3640N, Laser, Colour printing, 1200 x 1200 DPI, A3, Direct printing, Black, White Sharp MX-3640N. Print technology: Laser, Printing: Colour printing, Maximum resolution: 1200 x 1200 DPI, Print speed (colour, normal quality, A4/US Letter): 36 ppm. Copying: Colour copying, Maximum copy resolution: 600 x 600 DPI. Scanning: Colour scanning, Optical scanning resolution: 600 x 600 DPI. Maximum ISO A-series paper size: A3. Direct printing. Product colour: Black, White