Troubleshooting Epson error codes effectively involves a systematic approach. Begin by noting the specific error code displayed on the printer or computer screen. Consult the Epson manual or online resources to decipher the meaning of the code. Perform basic checks such as ensuring proper connections, sufficient paper, and correct ink levels. Restart the printer and the connected devices. If the issue persists, utilize the Epson Error Code Lookup Tool for detailed solutions.