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
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HP 56 & 22 Remanufactured Ink Cartridge 5-Pack
Remanufactured Ink Cartridge for HP 56, 57, 58 3PK - 1B/1C, 1 Photo | Houseoftoners
C6656AN | HP 56 | Original Ink Cartridge - Black - Toner Buzz
HP 56 Black Ink Cartridge & HP 57 Color Ink 2-Pack @ $27.98
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