The printer becomes unresponsive, and the lights blink continuously.

Keep holding for about 4–5 seconds until the Wi-Fi and Wi-Fi Direct lights begin to flash alternately.

Performing a full factory reset on your Epson ET-2400 restores all its internal settings—including network, copy, and scan preferences—to the state it was in when you first took it out of the box.

Allow the printer to finish its process (lights will blink and then stop).

If your print quality is poor after a reset, print a nozzle check pattern via the Epson Smart Panel app to check for clogged printhead nozzles.

Navigate to the "Waste ink pad counter" option and click "Check" to see your percentage. It will likely be at 100% or higher.

If your printer is frozen or not communicating with your computer, use the physical buttons to trigger a hard factory reset.

The printer will initialize, cycle its internal mechanisms, and return to its default out-of-the-box state. Note: You will need to reconfigure your Wi-Fi settings after this process.

Choose to wipe network profiles, print histories, and custom configurations. Confirm the action and wait for the printer to reboot. Method 4: Resetting the Waste Ink Pad Counter