Epson Stylus Pro 4000 Waste Ink Counter Reset
* While Powering up the printer, hold down the the left arrow, down arrow,
and Up arrow buttons
* You will get a “Self Testing” message.
* Use the Up Arrow button to select the “Clear Counters” menu.
* Press the right arrow button (the Menu button).
* Scroll through with the up/down arrows to select “Maint Tank”
* Select with the right arrow and execute with the right arrow
* Turn your printer off then turn it back on.