Amazon.com: HP 61 | 2 Ink Cartridges | Tri-color | Works with HP DeskJet 1000 1500 2050 2500 3000 3500 Series, HP ENVY 4500 5500 Series, HP OfficeJet 2600 4600 Series | CH562WN : Office Products
Amazon.com: HP 56 Black Ink Cartridge | Works with HP DeskJet 450, 5000, 9600; PhotoSmart 7000; OfficeJet 4000, 5000, 6110; Digital Coper Printer 410; PSC 1000, 2000; Fax 1240 Series | C6656AN : Office Products
Amazon.com: OCProducts Refilled Ink Cartridge Replacement for HP 61 for Envy 4500 5530 Deskjet 1010 3050 2540 2050 Officejet 2620 Printers (1 Black 1 Color) : Office Products
Amazon.com: HP 61 Black Ink Cartridge | Works with DeskJet 1000, 1010, 1050, 1510, 2050, 2510, 2540, 3000, 3050, 3510; ENVY 4500, 5530; OfficeJet 2620, 4630 Series | Eligible for Instant Ink | CH561WN : Office Products