Epson EcoTank Pro ET-5850 Ink Cartridges

The Epson EcoTank Pro ET-5850 uses 542 (T542120-S) black ink, rated for about 7,500 pages, plus cyan T542220-S, magenta T542320-S and yellow T542420-S, each about 6,000 pages. These are compatible extra high yield inks, and a compatible maintenance box, C12C934591, is also available. The same supplies also fit the EcoTank Pro ET-5150, EcoTank Pro ET-5170 and EcoTank Pro ET-5800. Same-day shipping on most orders.