About US ( InkTonerBox Ink Cartridges) : 1.This is a truly cost effective alternative to OEM cartridges. All ink cartridges are manufactured in an ISO 9001 certified facility. And Our mission is to provide quality products and services .Keep a long term relationship with you and mutual benefit . 2.Contact Us : Your question will be reply in one day I promise . Using Help: 1.Please remove the protecting clamp and tear apart the transparent tape before use. 2.If there shows some message like followings (or something else) , you just need to DISREGARD and passed by it , don't worry about the ink cartridge will damage your printer. a)The indicated cartridges are not intended for use in this printer b)Out of ink or Low/Empty c)Incompatible 3.Please be gentle when you install them. Kindly Reminder : 1.You are advisable to use your printer at least 1~2 times every months. 2.Use attached rubber eraser to clean circuit board contacts look bright in case of good for printers to recognized. 3.If the print pages seem faded or poor performance a nozzle clean and continue to print. 4.The shelf life of all cartridges are 18~24 months. Guarantee : 2 years money back guarantee , which covers any quality , reliability and performance issues .
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