economink remanufactured 901 ink cartridge combo pack replacement for hp 901xl combo pack use in officejet 4500 j4680 j4580 j4680c j4550 j4540 g510a j4524 j4500 g510g g510n g510b g510h j4525 economink all compatible printers: hp officejet 4500 g510a g510b g510g g510h g510n j4524 j4525 j4535 j4540 j4550 j4580 j4585 j4624 j4660 j4680 j4680c j4860 j4500 j4640 j4600 printer