inktopia remanufactured ink cartridges for hp 901xl 901 xl (2 black , 1 color) use with hp officejet 4500 j4500 j4524 j4540 j4550 j4580 j4624 j4640 j4660 j4680 j4680c printer ink level display inktopia <b></b></p> <b>model name: </b><br>❤3-pack (2 black+tri-color) for hp 901xl 901xl ink cartridge</p> <b>compatible printer </b><br>❤for hp printers: officejet g510a g510g g510n j4524 j4540 j4550 j4580 j4624 j4660 j4680 j4680c 4500 </p> <b>for optimal use</b> <br>please follow the guidelines below: <br> ❤step 1: please take off the protective cover before you install the ink cartridges. <br> ❤step 2: please remove protective film of cartridges. </p> <b></b>