Compatible with: OfficeJet 6812, OfficeJet 6815, OfficeJet Pro 6230, OfficeJet Pro 6830, & OfficeJet Pro 6835 Page Yield*: Colors 1,000* *Average cartridge Page Yield* in accordance with ISO IEC 24711. *at 5% coverage (ISO/IEC standard) For best results, store in a cool, dry place. Use within 18 months of purchase for optimal performance. Our remanufactured compatible ink cartridges are not remanufactured by HP. Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.