Compatible with: HP OfficeJet: 4500 G510a G510g G510n J4524 J4525 J4535 J4540 J4550 J4580 J4585 J4624 J4660 J4680 J4680c J4860 Professionally remanufactured by LD Products Page Yield* Per Cartridge: 360* For best results, store in a cool, dry place. Use within 18 months of purchase for optimal performance. *Average cartridge Page Yield* in accordance with ISO IEC 24711. *at 5% coverage (ISO/IEC standard) All LD compatible and remanufactured cartridges are quality tested to ensure long-lasting use and bold, vivid print on every page Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.