sc543mp-173

Ricoh MP 173 error SC543: Temperature Issue

The Ricoh MP 173 error SC543 is a service call indicating a fuser thermal malfunction. Users searching for why does my Ricoh MP 173 show error SC543 need to perform a hard reset and consider professional hardware inspection if the error persists. This is a robust office copier.

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Common causes

  • 1Blown fuser heater lamp.
  • 2Defective thermistor.
  • 3Fuser power board failure.
  • 4Internal connector wear.

Solutions

Diagnóstico rápido

The error code SC543 relates to a temperature reading outside normal limits in the fixing unit. It signifies a potential open circuit in the heater lamp.

Solución paso a paso

  1. Turn off the main switch.
  2. Allow the machine to cool down.
  3. Restart the unit.
  4. If the code persists, avoid using the copier.

Prevención y mantenimiento

Avoid non-standard heavy cardstocks that cause heat accumulation. Perform routine maintenance every 100k copies.

Cuándo llamar a un técnico

This is a hardware fault requiring specialized service for component replacement.

Ficha técnica del equipo

  • Technology: B/W Laser Copier
  • Speed: 17 ppm
  • Connectivity: USB
  • Consumables: Ricoh MP 173 Series
  • Usage: Office
  • Support

Frequently asked questions

The fuser thermistor detected a temperature anomaly, stopping the unit for safety.

Yes, turn off the power immediately to avoid heating element damage.

Only use original MP 173 toners to prevent fuser degradation.

Keep the ventilation clear and replace parts based on page counts.

Ricoh MP 173 error SC543: Temperature Issue | Vimazdev