HP DeskJet 1000, 1010, 1050, 1051, 1055, 1056, 1512, 2050, 2510, 2512, 2514, 2540, 2548, 2620, 3000, 3050, 3050A, 3051A, 3052A, 3054A, 3056A, 3510, 3511, 3512; ENVY 4500, 5530, 5534, 5535; OfficeJet e-All-In-One 4630 (HP 61) - Inkjet Cartridge, Tri-Color Ink Monitoring Technology