Valuetoner Remanufactured Ink Cartridge Replacement for Hewlett Packard HP 56 C6656AN (4 Black) 4 Pack Contents: HP 56 C6656AN (4 Black) 4 Pack Color: Black Page Yield: Up to 520 pages per cartridge (5% coverage) Printer Compatibility: Deskjet 450 5145 5550 5650 5850 9650 F4135 F4140 Digital Copier 410 Officejet 4105 4211 5505 5515 6105 Photosmart 100 130 145 200 230 245 7150 7260 7350 7450 7550 7660 7755 7960 PSC 1110 1200 1310 2105 2210 2400 2510 2550 Printer Warranty: 1 year limited warranty