To reset an Epson L3210 printer, you can follow these steps:
1. Turn off the printer and disconnect the power cord from the outlet.
2. Press and hold the Resume/Stop button on the printer.
3. While holding the button, plug the power cord back into the outlet.
4. Keep holding the button for about 5-10 seconds until the power light starts flashing.
5. Release the button and wait for the printer to finish the reset process.
6. Once the power light stops flashing and remains steady, the reset process is complete.
7. Turn off the printer and wait for a few seconds.
8. Turn on the printer again and check if the reset was successful.
If you can't reset through this method just click the link below
Note: Performing a reset may result in the loss of any stored settings or ink levels on the printer. Make sure to have spare ink cartridges ready to replace any depleted cartridges after the reset process.