Canon imageCLASS IRC1021iF, Color printing, 2400 x 600 DPI, Color copying, Color scanning, Mono faxing, A4 Canon imageCLASS IRC1021iF. Printing: Color printing, Maximum resolution: 2400 x 600 DPI, Print speed (color, normal quality, A4/US Letter): 21 ppm. Copying: Color copying, Maximum copy resolution: 600 x 600 DPI. Scanning: Color scanning, Optical scanning resolution: 600 x 600 DPI. Faxing: Mono faxing. Maximum ISO A-series paper size: A4