Seogol Compatible Epson 502 T502 Refill Ink Bottles Replacement for Ecotank ET-2750 ET-3750 ET-4750 ET-2760 ET-3760 ET-4760 ET-2700 ET-3700 ET-3710 ET-15000 ST-2000 ST-3000 ST-4000 - 4 Pack

The T-502 ink bottle refill replacements are compatible with the Eco Tank printers.Compatible Printers:Expression SeriesExpression ET-2750 ET-2700 ET-3700 EcoTank PrinterET-2760 ET-3760 ET-4760 ET-3710 ET-15000 EcoTank PrinterWorkforce SeriesWorkforce ET-3750 ET-4750 EcoTank PrinterWorkforce ST-2000 ST-3000 ST-4000 EcoTank PrinterPremium SeriesPremium ET-7700 ET-7750 EcoTank PrinterHow we are different from other manufacturers?Selected Ingredients: Picking the best raw ink ingredients-powder in the market and test every raw material before putting it into production.3 Level of Ink FiltrationEvery ink bottle has to go through 3 levels of refinement. We make sure the mixture size is lower than 0.2 um before ship to our customer.Broad Compatibility: We research the printer system and conducted hundreds of experiments to ensure the compatibility of the printing mechanism.Continuous Quality Control: We test every production with the ink density, surface tension, and color accuracy before we ship to our customers. We built out an ink production record bank internally so to preserve every ink production sample.When do I refill ink?1 Generally less than your 10% of the cartridge.2 The printer doesn?t work because of insufficient ink.3 You don't want the current ink.How to Use Them?1.Make sure the printhead is working fine before refill.2.Remove the ink refill bottle cap.3.Peal off the plastic cover of the bottle.4.Insert the ink nozzle into the ink tank.5.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.