err-003ZT620 RFID Plus

Zebra ZT620 RFID Plus error 003: Troubleshooting

The Zebra ZT620 RFID Plus error 003 occurs when the media sensor cannot detect label gaps. Why is my Zebra ZT620 RFID Plus showing error 003? Often, this happens because of dirty sensors or a change in media types that hasn't been calibrated. This guide walks you through cleaning the sensor and performing a fresh calibration.

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Common causes

  • 1Sensor clogged with glue residue.
  • 2Incorrect media type selected in menu.
  • 3Labels misaligned in the sensor path.
  • 4Sensor not calibrated to the new label stock.

Solutions

Diagnostic Check

If the printer is feeding labels indefinitely, it is a sensor detection issue. Perform a visual check to see if the labels are properly placed.

Steps to follow

  1. 1

    Load media

    Check label roll alignment.

  2. 2

    Calibrate

    Run media calibration from settings.

  3. 3

    Clean sensor

    Clear any adhesive from the sensor path.

  4. 4

    Restart

    Reboot the printer.

Frequently asked questions

Error 003 means the printer cannot detect label gaps or marks.

Calibrate the media sensor every time you change label rolls.

Most thermal labels work, provided the sensor is configured for the right medium type.

No, it is a standard sensor calibration issue that can be solved in minutes.