Ribbon And Gap/Black Mark Sensor Calibration - Brother TJ-4420TN User Manual

6.1.1 Ribbon and Gap/Black Mark Sensor Calibration

Calibrate the Gap/Black Mark Sensor sensitivity when:
You purchase a new printer.

You change label stock.

The label printer initializes.

To calibrate the Ribbon and Gap/Black Mark Sensors:
1. Turn off the printer.
2. Press and hold the right Selection button, and then turn on the Power Switch.
3. Release the button when Sensor Calibration appears on the screen.
Note
The LED color will change as follows:

Amber (lit)  red (5 times)  amber (5 times)  green (5 times)  green/amber (5 times)
 red/amber (5 times)  green (lit)
To select the sensor for calibration, send the correct command to the printer:

 For the Gap Sensor: send the GAP command
 For the Black Mark Sensor: send the BLINE command
For more information about the available commands, see the FBPL Command Reference
on your model's Manuals page at support.brother.com.
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