Page Yield*: 15,000 For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance.*at 5% coverage (ISO/IEC standard) Compatible with the following Xerox WorkCentre Printers: 7525, 7530, 7535, 7545, 7556, 7830, 7835, 7845, 7855, 7970 Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.