Print speed (color, normal quality, A4/US Letter): 18 ppm Color: Yes Printing technology: Laser Duplex printing: Yes Maximum resolution: 1200 x 1200 DPI DPI Print speed (black, normal quality, A4/US Letter): 18 ppm Duration of heating: 13 s Cartridges: Canon 067 https://www.canon.lt/business/products/office-printers/single-function/colour/i-sensys-lbp630-series/specifications/lbp631cw.html