Machine Compatibility: HP PageWide Enterprise Color MFP 556dn, 556xh, 586dn, 586f, 586z, PageWide Managed Color MFP E55650, E58650 (HP 981XL) - Inkjet Cartridge, Black (High Yield) OEM #: 981XL, L0R12A Type: Inkjet Color: Black Page Yield: 11000 Non-Latex Shelf Life: 730 days