For use in HP cartridges CE250A, 504A/ CE400A, 507A/ CE260X, 649X and others
For use in HP cartridges CE310A, 126A/ CF350A, 130A and others
For use in cartridges HP CB540A, 125A/ CC530A, 304A - Canon 4370B002, 729BK/ 6272B002, 731BK
For use in cartridges HP Q6000A, 124A -Canon 9424A004, 707BK