Epson Tm-t20iii Default Admin Password |link| Jun 2026

If you are locked out because the password was changed from the default, the only solution is to initialize the printer to its factory settings. This will wipe all network configurations and reset the password back to "admin."

If you are in a hurry, here is the information you need:

The TM-T20iii itself does not broadcast Wi-Fi. It connects to an existing network via Ethernet or an optional Wi-Fi dongle. The dongle has no default password—you configure it via EpsonNet. epson tm-t20iii default admin password

In some specific contexts, depending on the firmware version or the utility you are using, the default may also be blank (empty). However, "admin" is the standard factory setting for the Web Configuration page and the Epson Net Config utility.

The Serial Number of your device (case-sensitive). If you are locked out because the password

If your TM-T20III is connected to a public or shared network, . Anyone on your network could:

The admin password is not for printing; it’s for configuration . To print wirelessly, you need the printer’s IP address and correctly installed drivers, not the admin password. The dongle has no default password—you configure it

The EpsonNet Config utility (available for Windows/macOS) discovers Epson devices on your network. To change advanced settings (e.g., from DHCP to a static IP), you must authenticate.

For printers running firmware version , the credentials for the WebConfig interface are: Username: epson (all lowercase)