err-003PX6i Plus

Honeywell PX6i Plus error ERR-003: Overheating

The Honeywell PX6i Plus error ERR-003 warns of critical thermal printhead temperatures. This safety feature stops the printer to prevent burning out the heating elements. It commonly occurs during high-density print runs or when 'Darkness' settings are set too high.

2 views

Common causes

  • 1Excessive room temperature.
  • 2Darkness intensity set too high.
  • 3Inadequate print speed for the current media.
  • 4Defective head thermistor sensor.

Solutions

Quick Diagnosis

If you see ERR-003, the printhead temperature has spiked. This protection triggers an emergency shutdown during high-speed printing if the heat cannot dissipate properly.

Step-by-Step Solution

  1. Turn off the printer and let it rest for at least 15 minutes.
  2. Review the 'Darkness' intensity setting; reduce it if the material doesn't require extreme heat.
  3. Slow down the print speed to give the head more time for cooling between labels.
  4. Ensure the printhead surface is clean of adhesive residues.

Prevention and Maintenance

Use ribbons optimized for your label stock to avoid unnecessary heat. Maintain a clear airflow path around the printer. Never ignore these warnings.

When to Call a Technician

If the ERR-003 triggers immediately on power-up, the printhead thermistor sensor is likely malfunctioning.

Equipment Data Sheet

  • Technology: Industrial Thermal Transfer
  • Speed: 300 mm/s
  • Connectivity: Ethernet, Serial, USB
  • Compatible Consumable: Thermal Transfer Ribbons
  • Recommended Use: High-volume Industrial
  • Official Drivers / Firmware

Steps to follow

  1. 1

    Cool down

    Power off and let the head cool for 15 minutes.

  2. 2

    Lower heat

    Reduce the 'Darkness' settings in your print driver.

  3. 3

    Ventilation

    Ensure the printer has adequate airflow space.

Frequently asked questions

This error means the thermal printhead has exceeded the safety temperature limit.

Yes, excessive heat causes permanent damage to printhead dots.

Decrease the darkness/heat intensity and lower the print speed.

Match your ribbon type to your label and ensure consistent air cooling.