Amazon.com: HP 61XL Black High-yield Ink | Works with DeskJet 1000, 1010, 1050, 1510, 2050, 2510, 2540, 3000, 3050, 3510; ENVY 4500, 5530; OfficeJet 2620, 4630 Series | Eligible for Instant Ink | CH563WN : Office Products
Amazon.com: HP 61 | 2 Ink Cartridges | Black | Works with HP DeskJet 1000 1500 2050 2500 3000 3500 Series, HP ENVY 4500 5500 Series, HP OfficeJet 2600 4600 Series | CZ073FN : Office Products