Brother TD-2020 Service Manual page 111

(4) A window prompting to save the setting appears. Press the [OK] button. Once the [OK]
button is pressed, the settings will be remained even after closing the serviceman tool.
Figure 62. Window prompting to save setting
(5) The display automatically returns to the previous "Config" window. Press [OK] button to
return to the main window.
Figure 63. [OK] button on "Config" window
COM port setting is completed.
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