This printer ink cartridge works with hp officejet 6950 all in one hp officejet pro 6960 all in one hp officejet pro 6961 all in one hp officejet pro 6962 all in one hp officejet pro 6963 all in one hp officejet pro 6964 all in one hp officejet pro 6965 all in one hp officejet pro 6966 all in one hp officejet pro 6968 all in one hp officejet pro 6970 all in one hp officejet pro 6971 all in one hp officejet pro 6974 all in one hp officejet pro 6976 all in one hp officejet pro 6978 a