This is 4-Pack compatible / remanufactured Xerox 560, 570 toner cartridges. Includes 1 each 006R01525 (black), 006R01528 (cyan), 006R01527 (magenta), 006R01526 (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.