TSC TX200 Series - Set Black Mark Sensor as Media Sensor and Calibrate the Black Mark Sensor

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5.4 Set Black Mark Sensor as Media Sensor and Calibrate the Black Mark
Sensor
Please follow the steps as below.
1. Turn off the power switch.
2. Hold on the button then turn on the power switch.
3. Release the button when LED turns red and 5 blinks.
 The LED will be changed as following:
red (5 blinks)  red (5 blinks)  red (5 blinks)  red (5 blinks) 
green (5 blinks)  green (solid)