Shows Accurate Ink Levels! Color: Photo Black CB322WN Page Yield*: 290* *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. Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.