600C931dn

OKI C931dn error 600: How to fix fuser paper jams

The OKI C931dn error 600 is a critical alert signaling a paper obstruction or thermal issue in the fuser unit. This code triggers when the exit sensor fails to register paper passage within the allocated time. To resolve the error 600 on C931dn, usually, you simply need to clear any residual media from the rear output area. This enterprise-grade LED printer is designed for high-volume corporate document management.

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Common causes

  • 1Physical paper jam in the fuser exit path.
  • 2Toner dust buildup on heat sensors.
  • 3Electrical fault in the fuser thermistor.
  • 4Use of unsupported heavy media.

Solutions

Diagnóstico rápido

If your OKI C931dn displays error 600, a piece of paper is likely caught in the exit path. Inspect the rear fuser cover to verify if media is obstructed.

Solución paso a paso

  1. Power off the printer and wait for the fuser to cool down.
  2. Open the rear access door.
  3. Remove any jammed media carefully.
  4. Restart the printer.

Prevención y mantenimiento

Clean the feed rollers bi-annually and avoid using cardstock not certified for this model. Always use original toner cartridges for optimal heat transfer.

Cuándo llamar a un técnico

If the code persists after clearing the jam, the thermal sensor in the fuser unit may require professional replacement.

Ficha técnica del equipo

  • Technology: LED printing
  • Speed: Up to 50 ppm
  • Connectivity: Ethernet 10/100/1000
  • Input capacity: Up to 2950 sheets
  • Compatible supplies: C900 Series Toner (CMYK)
  • Usage: Corporate high-demand
  • Official drivers / firmware
OKI C931dn error 600: How to fix fuser paper jams | Vimazdev