Canon photo gray ink cartridge 700ml for canon image pro ipf8400s ipf9400s printers the canon photo gray ink cartridge 700ml 6691b001aa from canon has been designed to ensure your depleted ink wells are quickly and easily filled with high quality inks helping you achieve high quality and high clarity prints from your inkjet printer the cartridge has been pumped full of the manufacturerrsquos expertly and carefully created ink designed to work with the image pro ipf8400s models