Only Applicable Printer Model: for Epson EcoTank Photo ET-8500 All-in-One Wide-format Supertank Printer for Epson EcoTank Photo ET-8550 All-in-One Wide-format Supertank Printer Please note: This is normal dye ink, use for daily printing. Not for Sublimation printing ( Heat transfer printing). How to refill? 1--- Please find the ink bottle to replenish ink first, the color of the top cover of the ink bottle is consistent with that of the ink. 2---Please directly open the bottle cap and inject ink without squeezing the bottle by hand. It stops automatically when the ink is full.