zepmtek remanufactured ink cartridge replacement for hp 901xl 901 xl work with officejet j4500 j4550 j4680 j4580 j4540 j4680c j4525 j4535 j4524 j4624 g510a g510b g510g printer (1 black,1 tri-color) zepmtek our product contents:</br> 1 * 901xl black ink cartridge</br> 1 * 901xl color ink cartridge</br> </br> </br> compatible printers for hp 901xl combo pack ink cartridges :</br> officejet 4500 g510a g510b g510g g510h g510n j4524 j4525</br> j4535 j4540 j4550 j4580 j4585 j4624 j4660 j4680 j4680c j4860</br> j4500 j4600 j4640</br> </br> </br> realiable quality of 901xl: use advanced technology to ensure the quality of 901xl, try our best to make sure that you can print the effect you want, the text is clear and colorful.</br> safe and effective protection measures: we not only have dust-proof plastic bag packaging but also strong carton protection, try our best to avoid 901 ink leakage.</br> tips:these are no-oem ink cartridges. when you installing, your printer may display an ink alert message such as “non-original cartridges”. just press “yes”, “continue”, or “ok” to dismiss the prompt.</br> </br> </br> installation steps:</br> 1: remove the protective cover.</br> 2: tear off the plastic tape.</br> 3: insert the ink cartridge into your printer.</br> note: do not touch the chip and the nozzle when you installing.</br>