Epson Et 2400 Reset Work |link| Review

It means the waste ink counter needs to be reset.

Continue holding until the network lights begin to flash, then release both buttons.

The printer will restart with factory default network settings.

Use this method if you need to reconnect the printer to a new wireless network or clear existing network data: the printer. Press and hold Information (i) button and the button simultaneously for about 5 seconds. both buttons when the Wi-Fi lights start flashing.

Mark opened the printer's access panel. He located the waste ink tube that runs from the print head parking station. He followed the tube down to a small tray at the bottom of the printer chassis.