SPEEDYINKS Compatible Ink Cartridge Replacement for HP 950XL CN045AN High Yield (Black, 2-Pack) for use in and works with HP OfficeJet Pro 251dw, 276dw, 8100, 8600 Series HP-950 / HP950XL / HP950

2 Pack Remanufactured Replacement Ink Cartridge with Pigment Ink for Hewlett Packard CN045AN (HP 950XL) High-Yield Black for use in OfficeJet Pro 251dw, OfficeJet Pro 276dw MFP, OfficeJet Pro 8100, OfficeJet Pro 8600, OfficeJet Pro 8600 Plus, OfficeJet Pro 8600 Premium, OfficeJet Pro 8610, OfficeJet Pro 8620 and OfficeJet Pro 863. Recently, because of the Firmware update HP released, led to a lot of negative reviews. We ensured and are guaranteeing that our item will work with the most updated firmware.