This is 4-Pack compatible Okidata C532 / MC573 toner cartridges. Includes 1 each 46490604 (black), 46490603 (cyan), 46490602 (magenta), 46490601 (yellow). Each toner cartridge is manufactured to be comparative to the original in terms of quality and page yield. Extensive testing and R&D have enabled us to produce cartridges that will not only save you monebut also provide a high quality product to ensure long term customer satisfaction.