Compatible with: HP LaserJet: P2055d, P2055dn, P2055X This is the Compatible Higher Yield Version of HP 05A CE505A Black Professionally manufactured by LD Products Page Yield* Per Cartridge: 6,500* For best results, store in a cool, dry place. Use within 48 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.