Using the Reset Button
The reset button has ability to print the interface settings and initialize
the interface setting.
When using it, remove the buzzer unit.
Removing and Installing the Buzzer Unit
Removing and installing the buzzer unit as shown the illustration.
Note:
Do not remove the buzzer cable from the connector. The printer does not
operate with the buzzer cable disconnected.
12 TM-L90 User's Manual
<Removing>
Reset button