Quoted yields are NOT based on ISO/IEC 24711. Quoted yields are extrapolated based on Epson original methodology from the print simulation of Test Patterns provided in ISO/IEC 24712 with replacement sets of ink. Ink cartridge yields as communicated by the manufacturer’s websitesĢ. Printing costs calculated on the proportion of Standard and XL cartridges as tracked by GfK for the same reference period for the Western European market, using average retail prices. Comparison made on the average of the A4 EcoTank range versus the average of the top 10 best-selling models in Western Europe, in the period January 2017– December 2017, as tracked by GfK. icon-nav-projectorscreensizecalculator2 EcoTank Savings Calculatorġ Average number of cartridges required /savings achieved printing the same number of pages using the ink bottles included within the EcoTank range, excluding hardware price.icon-nav-unlimited-printing EcoTank Unlimited Printing.icon-nav-personalised-printing Personalised printing.icon-nav-remote-assistance Moverio Remote Assistance.icon-nav-documentcapture-01 Document Capture.