Thousands of pages were printed with the Epson EcoTank. If you want to keep printing, it's time for new ink bottles. The bottles in the Epson 664 EcoTank Ink Series contain 70ml of ink. The average user can print for about 3 years with that, 4500 pages in black and white and 7500 pages in color. EcoTanks use different types of ink series. So make sure to check which ink series is suitable for your Epson EcoTank before your purchase.