T522 refill ink is made by Luckyink and compatible with the following printer models:

ET-2720

ET-2710

ET-4700

Why choose Luckyink T522 ink?1.Selected Ingredients: Luckyink picks the best raw ink in the market and test every raw material before putting into production.2. 3 Level of Ink Filtration: Every ink bottle has to go through 3 levels of refinement.

3. Good Compatibility: We research the printer system and conducted hundreds of experiments to ensure the compatibility of the printing mechanism.Compatible 522 T522 Ink Bottles with complete compatibility and high quality for Office and Home everyday printing.Excellent printing performance: Print clearly, smoothly, high definition, easy to refill, not clog the print heads.After strict testing before delivery, to ensure the stability of printing, long - term unhindered output.

4. T522 ink has intense and vibrant color, after many times of color debuggingtesting，does not hurt the printer.T522 ink has strong stability and durability.ISO 9001 Certified.

How to Use Them?

1.Make sure the printhead is working fine before refill.

2.Remove the ink refill bottle cap. Insert the ink nozzle into the ink tank.

3.Insert the bottles to start filling.

4.After filling the ink, screw back the ink refill bottle cap.

ATTENTION: Mixing different types of ink and without usages for over a long period, it may cause printhead clogging.