4 x Toner Chip for Xerox Workcentre 7525 7530 7535 7545 7556 (006R01517 ~520) Package included: C,M,Y,K Toner Cartridge Reset Chip - 4pk Toner Cartridge part#:006R01517,006R01518,006R01519,006R01520 for Xerox Workcentre 7525 7530 7535 7545 7556 Best price Please view the "Product Description" below for more details.