This is 4-Pack compatible Xerox Phaser 6022, WorkCentre 6027 toner cartridges. Includes 1 each 106R02759 (black), 106R02756 (cyan), 106R02757 (magenta), 106R02758 (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.