Amazon.com: DoorStepInk Remanufactured in The USA Ink Cartridge Replacements for HP 901 XL 901XL Black MICR for HP Officejet 4500, G510a, G510g, G510n, J4524, J4540, J4550 J4580 J4585 J4624 J4660 J4680 :
Amazon.com: Speedy Inks Remanufactured Ink Cartridges Replacement for HP 901 Ink to use with HP OfficeJet 4500 J4680 J4580 J4680c J4550 J4540 G510a J4524 G510g G510n G510b Printer (2 Black and 2