You can reset the printer settings using the printer buttons or the Printer Setting Tool.

Resetting all settings (TD-4210D/TD-4410D/TD-4420DN/TD-4520DN)

1. Turn off the printer.
2. Press and hold the Feed button ( ) and the Power button (  ) for about three seconds.
   All LED indicators flash in red.
3. Continue holding down the Power button (  ), and press the Feed button ( ) three times to reset all the settings and device settings to the factory settings.
   The Status LED lights in red.
4. Release the Power button (  ).
   All LED indicators flash in red four times, and then light in red.

Resetting all settings (TD-4550DNWB)

1. Press Menu.
2. Press  or  to select the following:
   1. Select [Administration]. Press OK.
   2. Select [Reset]. Press OK.
   3. Select [Factory Reset]. Press OK.
3. Press  or  to select [Reset]. Press OK.
   The machine restarts.

Resetting the transferred data and the device settings (TD-4420DN/TD-4520DN)

1. Turn off the printer.
2. Press and hold the Feed button ( ) and the Power button (  ) for about three seconds.
   All LED indicators flash in red.
3. Continue holding down the Power button (  ), and press the Feed button ( ) twice.
   The Roll LED lights in red.
4. Release the Power button (  ).
   All LED indicators flash in red four times, and then light in red.

Resetting the transferred data and the device settings (TD-4550DNWB)

1. Press Menu.
2. Press  or  to select the following:
   1. Select [Administration]. Press OK.
   2. Select [Reset]. Press OK.
   3. Select [User Data Reset]. Press OK.
3. Press  or  to select [Reset]. Press OK.
   The machine restarts.

Resetting the communication settings (TD-4420DN/TD-4520DN/TD-4550DNWB)
See the FAQ: "How do I reset network setting?"

Resetting data
You can reset the following settings using the Printer Setting Tool:

• Delete the templates and databases
• Reset communication settings (TD-4420DN/TD-4520DN/TD-4550DNWB)
• Reset printer settings to factory settings