ribbon-outGK420t Plus II

Zebra GK420t Plus II error RIBBON-OUT: Troubleshooting

The Zebra GK420t Plus II error RIBBON-OUT signals that the sensor has stopped detecting the presence of the thermal transfer ribbon. This often occurs when the ribbon is exhausted or has been loaded incorrectly in the supply path. Follow these steps to resolve the RIBBON-OUT status.

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Common causes

  • 1Empty ribbon roll
  • 2Obstructed optical sensor
  • 3Ribbon loaded incorrectly
  • 4Sensor controller error

Solutions

Diagnóstico rápido

Observe the status light. If it flashes red/amber, the sensor is likely failing to see the ribbon path clearly.

Solución paso a paso

  1. Check ribbon: Verify the supply roll is not depleted.
  2. Reinstall: Load the ribbon so it covers the sensor's optical path.
  3. Calibrate: Perform the standard button-press calibration.

Prevención y mantenimiento

Clean the internal sensors using a cotton swab. Using genuine Zebra ribbons improves sensor detection accuracy.

Cuándo llamar a un técnico

If the error persists after calibration, the internal ribbon sensor might be malfunctioning and needs professional attention.

Ficha técnica del equipo

  • Technology: Thermal transfer / Direct
  • Speed: 5 ips
  • Connectivity: USB/Serial
  • Supplies: Genuine Zebra ribbons
  • Usage: Retail/Logistics
  • Official Drivers/Firmware

Steps to follow

  1. 1

    Check ribbon

    Ensure the ribbon roll is not empty.

  2. 2

    Reinstall

    Properly align the ribbon with the sensors.

  3. 3

    Calibrate

    Run the printer sensor calibration procedure.

Frequently asked questions

Check if the ribbon is empty or blocked and run a sensor calibration.

Yes, if using thermal direct paper mode.

Standard thermal transfer ribbons.

Maintain clean sensors and ensure ribbon tension.