Compatible with HP Enterprise PageWide Enterprise: Color 556dn, Color 556xh, Color Flow MFP 586z, Color MFP 586dn, Color MFP 586f, HP PageWide Managed: E55650dn, E58650dn, E58650z This is the Compatible Higher Yield Version of HP 981A J3M71A Black Professionally remanufactured by LD Products Page Yield*: 20,000* For best results, store in a cool, dry place. Use within 24 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.