HP ink cartridge 903. This ink cartridge is suitable for the following printers: HP OfficeJet 6950 All-in-One printer (P4C78A), HP OfficeJet 6950 All-in-One printer (P4C85A#BHC), HP OfficeJet Pro 6960 All-in-One printer (J7K33A), HP OfficeJet Pro 6960 All-in-One printer (T0F32A#BHC), HP OfficeJet Pro 6970 All-in-One Printer (J7K34A), HP OfficeJet Pro 6970 All-in-One Printer (T0F33A#BHC). It also has a capacity of approximately 300 pages at a coverage of 5%. Colour: black.