Some YouTube videos claim you can reset the L4260 using front panel keys. As of firmware version , this does not work . Epson has patched manual resets. If your printer is offline or never connected to Wi-Fi, you can try:

If resetting network settings doesn't solve Wi-Fi problems, the issue may be external. Check your router's settings, try connecting the printer via USB to update its firmware, or use the WPS (Wi-Fi Protected Setup) button method to re-establish a connection from scratch.

: The printer does not contain physical sensors that detect wet sponges. Instead, it uses a digital calculation algorithm.