They work seamlessly with HP OfficeJet 6950/6960 and HP OfficeJet Pro 6960/6970 series, even after firmware updates.
4 Ink Cartridge 903XL Fits For HP OfficeJet 6900 6950 6860 6868 6950 6960 6975
4 INK CARTRIDGE 903XL FitsHP OfficeJet 6950 6960 6970 6975 6900 6950 6860 6868
4 Ink Cartridge 903XL For HP OfficeJet 6900 6950 6860 6868 6950 6960 6975
4 Ink Cartridge Fits For HP OfficeJet 6868 6950 6960 6968 6970 6975 6978 903XL
