c-5351AccurioPrint C3070L

Error C-5351 Konica Minolta AccurioPrint C3070L: Fuser Lamp

The Konica Minolta AccurioPrint C3070L error C-5351 indicates that the fuser heating lamp has failed to reach the required temperature, or the circuit providing power to the heater has been interrupted. Knowing why does error C-5351 occur on AccurioPrint C3070L is essential to preventing poor toner bonding and ensuring thermal safety.

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Common causes

  • 1Lamp failure: Heating filament is severed.
  • 2Thermistor damage: Chronically faulty temp sensor.
  • 3Triac failure: Heater power control circuit not activating.
  • 4Overheating: Safety thermostat permanently tripped.

Solutions

Quick Diagnosis

The C-5351 triggers if the unit stays cold despite power input. If the printer attempts to warm up and hits an error immediately, the heating lamp filament is likely broken.

Step-by-step Solution

  1. Energy reset: Power off and unplug for 30 minutes. Sometimes, safety thermostats trip due to a temperature spike.
  2. Fuser inspection: Clear any lint from the exhaust fans to ensure proper heat circulation.
  3. Thermal test: Turn on. If it fails again, the heating circuit is compromised.

Prevention and Maintenance

Keep all dust filters clean to prevent the fuser from working harder than necessary. Only use genuine parts for the fixing assembly.

When to Call a Technician

This is a hardware-level error. Replacing the fuser lamp requires a full fuser unit replacement and potential recalibration in service mode.

Ficha técnica del equipo

  • Technology: Production Color Laser
  • Speed: 71 ppm
  • Connectivity: Ethernet
  • Compatible Consumable: TN619 Toner / IU619 Units
  • Recommended Use: Heavy production printing
  • Official Drivers / firmware

Steps to follow

  1. 1

    Energy reset

    Power off and unplug for 30 minutes to allow the thermostat to reset.

  2. 2

    Fuser inspection

    Check that the rear fan is not obstructed by lint or dust.

  3. 3

    Thermal test

    Turn on the system. If the code persists, the heat lamp has failed.

Frequently asked questions

It indicates a fault in the fixing unit heater lamp circuit.

The system locks automatically for safety to prevent potential overheating.

It uses TN619 toner and IU619 imaging units.

The lamp itself is not repaired; the entire fuser assembly is replaced.