c-10DL3850 II

Fujitsu DL3850 II Error C-10: Main Motor Failure

The Fujitsu DL3850 II error C-10 alerts about an anomaly in the motor that drives the print carriage. The system enters this protective state when it detects high motor load or physically impeded movement. You must check the drive mechanism to restore operations.

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Common causes

  • 1Lack of lubrication: Extreme dryness on guide bars.
  • 2Physical obstruction: Foreign object blocking path.
  • 3Tensioned cables: Carriage cable snagging on the frame.
  • 4Motor failure: Internal wear of motor windings.

Solutions

Diagnóstico rápido

If you hear a constant beep or grinding sound upon startup, the carriage may be jammed in its track. Try moving it manually when the printer is off.

Solución paso a paso

  1. Power off the printer to remove any electric load from the motor.
  2. Inspect carriage: Manually slide the printhead assembly to feel for any resistance.
  3. Clean rails: Remove any old grease or accumulated dust on the metal guide rails.
  4. Lubricate: Apply a tiny amount of synthetic lubricant if the metal feels dry.

Prevención y mantenimiento

Perform a carriage rail clean every 6 months. Keep the unit free of small objects that could fall into the path.

Cuándo llamar a un técnico

If the carriage slides smoothly but the C-10 error persists, the carriage motor or the positioning sensor is likely faulty.

Ficha técnica del equipo

  • Technology: 24-pin dot matrix
  • Performance: 600 cps
  • Connectivity: USB, Parallel
  • Compatible consumable: Fujitsu ribbons
  • Recommended use: Industrial office environment
  • Drivers / firmware official

Frequently asked questions

The C-10 error indicates a blockage in the print carriage motor. This may occur due to lack of lubrication or physical obstacles.

If it is just an obstruction, yes. However, if the motor has failed electrically, you will need professional service.

None. This error is mechanical, not related to paper or ribbons.

Keep carriage rails clean and lightly lubricated with high-quality white lithium grease per the tech specs.

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