HP 56 57 Ink Cartridge Combo Pack of 5 - HP 56 and 57 @ $62.95
Compatible HP 56 & 57 Ink Cartridge (Black, Color) by SuppliesOutlet
Remanufactured Ink Cartridge for HP 56 & 57 3PK - 2B/1C
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
Set of 3 Compatible HP 56 & 22 Ink Cartridges- Blake Printing Supply
Office Depot
Compatible Multipack HP 56/57 Full Set + 1 EXTRA Black Ink Cartridges - Clickinks.com
HP 56 Black ink cartridge, C6656AN
PCI Brand® HP 56 C6656AN Black Inkjet Cartridge Replacement - Premium Compatibles, Inc.
HP® 56 Black Original Ink Cartridge (C6656AN#140) - $42.99