HP 903 Cyan Magenta Yellow Black Standard Capacity Ink Cartridge Combo 4 pack for HP OfficeJet 6950/6960/6970 AiO - 6ZC73AE Get reliable performance and professional-quality colour and black text for the office. Original HP ink cartridges deliver striking documents, every time. Print affordably with low-priced individual cartridges and high-yield cartridge options.