Ribbon OutGC420t

Fixing 'Ribbon Out' Error on Zebra GC420t

The 'Ribbon Out' error occurs when the Zebra GC420t detects no ribbon present during thermal transfer printing. This is often an installation issue or a sensor calibration problem. Following standard reloading procedures will resolve this in most cases.

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Common causes

  • 1Empty ribbon roll or broken ribbon.
  • 2Incorrect installation orientation.
  • 3Dust or debris obscuring the ribbon sensor.

Solutions

Verify Installation

  1. Check if the ribbon has run out.
  2. Ensure the ribbon is properly tensioned and seated on the spindle.
  3. Make sure the coated (dull) side faces the labels.

Sensor Calibration

  1. Perform a sensor calibration using the feed button sequence.
  2. Clean the ribbon sensor area with compressed air.
  3. Verify the media type in your printer software.

Steps to follow

  1. 1

    Check Consumable

    Check if the ribbon roll is empty.

  2. 2

    Load Ribbon

    Properly seat and tension the ribbon.

  3. 3

    Calibrate

    Run the printer calibration process.

Frequently asked questions

Only if using direct thermal labels, but the software must be set to 'Direct Thermal' mode.

Usually because the sensor needs recalibration after a new roll is loaded.

Yes, poor quality ribbons might not reflect light correctly for the sensor.