The 4PK 131A/X 131 BYCM SET Laser Toner for Canon ImageCLASS printers is a high-quality toner cartridge set designed for use with Canon imageCLASS printers. Made by the brand GREENSKY, this toner set is compatible with printers such as the MF8280Cw, MF624Cw, and 628Cw. The toner cartridges come in multi-color, cyan, yellow, magenta, and black, and are equipped with chips for easy installation. With a unit quantity of 4, this toner set ensures reliable and consistent printing performance for Canon imageCLASS printers.