There is "Epson Printer Utility" that shows ink levels and allows to check nozzles and clean printer heads. This utility appeared not long ago and it is very useful, because there is no other way to see ink levels for printers without LED using Linux systems.
The utility can be downloaded from Epson Drivers Site.
After the deb package is installed the utility can be started by
How can I get set it up to be started a normal way from Launcher or a desktop icon?