FAQs & Troubleshooting

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TD-4420TN

FAQs & Troubleshooting

FAQs & Troubleshooting

TD-4420TN

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Date: 13/03/2019 ID: faqp00100466_000

How to calibrate the Gap/Black Mark Sensor by directly operating the printer

The Gap/Black Mark Sensor sensitivity should be calibrated whenever:

  • A new printer is purchased
  • Label stock is changed
  • Printer initialization takes place

To calibrate the ribbon and Gap/Black Mark Sensor:

  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 (5 times).
    The LED color will change in the following order:
    Amber > Red (5 times) (Release the button here) > Amber (5 times) > Green (5 times) > Green/Amber (blinks 5 times alternately) > Red/Amber (blinks 5 times alternately) > Green (lit)

    To select the sensor for calibration, send the correct command to the printer:

    • For the Gap Sensor: the GAP command
    • For the Black Mark Sensor: the BLINE command

    You can also calibrate by using the BPM (Brother Printer Management Tool).

Related Models

TD-4420TN, TD-4520TN

If you need further assistance, please contact Brother customer service:

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