Our remanufactured EP-87M toner cartridges is compatible with all of the same printers as the genuine Canon product. This is due to our manufacturers salvaging as many components as possible from Canon original 7431A003AA toners, cleaning and testing them thoroughly. Whatever parts cannot be saved are replaced with compatible EP-87M designed to replicate Canon specifications as closely as possible.With the remanufactured Canon EP-87M assembled the cartridge is then filled with a high quality compatible toners that has been formulated to fuse at the same temperate as the magenta toner produced by Canon. This ensures prints of a comparable quality to the Canon original 7431A003AA cartridge, but with comparable print quality.