Compatible with: HP DeskJet: 5420, 5420v, 5440, 5442, 5443 PhotoSmart: 7850, C3100, C3110 C3125, C3135, C3140, C3150, C3170, C3173, C3175, C3180, C3183, C3188, C3190, C3193, C3194, C4180 HP OfficeJet: 6304, 6305, 6307, 6308, 6310, 6310v, 6310xi, 6313, 6315, 6318 PSC: 1507, 1510, 1510v, 1510xi Professionally remanufactured by LD Products Page Yield* Per Cartridge: 200* For best results, store in a cool, dry place. Use within 18 months of purchase for optimal performance. *Average cartridge Page Yield at 5% coverage in accordance with ISO IEC 24711 Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.