Ribbon And Gap/Black Mark Sensors Calibration - Brother TD-4420TN User Manual

Power-On Utility
Function
1. Ribbon and Gap/Black Mark Sensors
calibration
2. Gap/Black Mark Sensor calibration,
self-test, and entering dump mode
3. Printer initialization
4. Media sensor calibration (For the Black
Mark Sensor)
5. Media sensor calibration (For the Gap
Sensor)
6. Skip the AUTO.BAS program

4.3.1 Ribbon and Gap/Black Mark Sensors Calibration

The Gap/Black Mark Sensor sensitivity should be calibrated when:
A new printer is purchased

Label stock is changed

Printer initialization takes place

To calibrate the ribbon and Gap/Black Mark Sensors:
1. Turn off the printer.
2. Press and hold the Feed/Pause Button, and then turn on the printer.
3. Release the button when the LED is flashing in red.
Note
The LED color will change as follows:

Amber  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
Manual.
Amber
LED color
LED Patterns
Red Amber Green
(5 times) (5 times) (5 times)
26
Green/Amber Red/Amber
(5 times) (5 times)
Green (Lit)