I ordered these to try as they were extremely cheaper than Epson ink by about $100! I only used black as it was the only cartridge that needed replacing. It works fine but I had to go through a couple of messages informing me that this is not an Epson product and the quality cannot be guaranteed and the printer's system is noticing ink changes and indicating that this is not an Epson product what could possibly affect my warranty. I had to click to take responsibility for using a non-Epson product.