<b>Compatible Printers: </b><br><br> *Please confirm your Printer Model # to ensure that you purchase the correct cartridge<br><br><br> ET2700 <br> ET2750<br> ET3700 <br> ET2760 <br> ET3760 <br><br><br>ET3750<br> ET4750<br> ST2000 <br> ST3000 <br> ST4000<br><br> <b>Compatibility Printer: ET2760 / ET3710 / ET3760 / ET4760 All-in-One Cartridge-Free Supertank Printer  <br><br><br> <b>Package Contents: </b><br><br> 4 Pack High Yield Compatible Ink Bottle for Epson 502 T502<br> 1 x T502 Black T502120 ink bottle<br> 1 x T502 Cyan T502220 ink bottle<br> 1 x T502 Magenta T502320 ink bottle<br> 1 x T502 Yellow T502420 ink bottle<br><br><br> <b>How to Use the Ink Bottle Replacement? </b><br><br> 1. Open the ink tank part cover and remove the ink tank plug. <br> 2. Remove the plug on the top of the ink bottle, unscrew the ink bottle cover, tear off the bottle seal, and cover the ink bottle cap. <br> 3. Tear off the plastic Sealing tape of the bottle. <br> 4. Inject all the ink in the bottle into the ink tank that matches the color of the ink bottle. <br> 5. Screw back the ink refill bottle cap. <br><br><br> <b>Tips: </b><br> Different types of ink are generally not allowed to be mixed up.