c0501bizhub C3351

Konica Minolta bizhub C3351 error c0501: Scanner lamp failure

The Konica Minolta bizhub C3351 error c0501 is a service code indicating a malfunction in the scanner exposure lamp. Upon boot-up, the machine checks the lamp's light output; if the sensor reports intensity levels that are outside the standard range, the device triggers error c0501 and disables all operations to prevent poor-quality scanning results. To resolve this, you must verify the physical state of the lamp and try a software-level calibration.

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Common causes

  • 1Aging exposure lamp.
  • 2Misalignment in the scanner control circuit.
  • 3Obstruction of the scanner carriage path.
  • 4Scanner position sensor failure.

Solutions

Quick Diagnosis

If the c0501 code happens specifically during copies, the lamp is likely dim. If it happens at startup, a board-level issue or lamp wiring fault is the culprit.

Step-by-step Solution

  1. Hard reset: Power off the device, wait one minute, and turn it back on.
  2. Scanner inspection: Lift the document glass and ensure there are no obstructions or smudges on the scanner optics.
  3. Test scan: Run a test copy to verify if the scanner carriage initiates movement.
  4. Calibration: Enter the service mode to execute the exposure and scan calibration routine.

Prevention and Maintenance

Use a glass cleaner that is ammonia-free to wipe down the platen glass regularly. Keeping the optics clear ensures the sensor receives accurate exposure readings.

When to call a technician

If a software calibration fails, the exposure lamp has likely reached the end of its life, or the scanner carriage motor has a physical defect, both requiring professional replacement.

Ficha técnica del equipo

  • Technology: Color Laser Multifunctional
  • Speed/Performance: 33 ppm
  • Connectivity: Ethernet 10/100/1000
  • Input capacity: 650 sheets standard
  • Compatible consumable: Exposure lamp (professional replacement only)
  • Recommended usage: Office environments
  • Official drivers / firmware

Steps to follow

  1. 1

    Hard reset

    Power off the device, wait one minute, and turn it back on.

  2. 2

    Scanner inspection

    Lift the document glass and ensure there are no obstructions or smudges on the scanner optics.

  3. 3

    Test scan

    Run a test copy to verify if the scanner carriage initiates movement.

  4. 4

    Calibration

    Enter the service mode to execute the exposure and scan calibration routine.

Frequently asked questions

The error c0501 points to a failure in the exposure scanner unit, specifically indicating that the lamp intensity is below the required threshold.

No, the printer locks all functionality to prevent faulty output, as the scanner unit is required for both copying and system diagnostics.

It is not a user-replaceable consumable, but it will eventually reach the end of its functional lifespan after heavy use.

Clean the scanner glass regularly and avoid impacts to the top lid, which can misalign the internal scanner carriage.

Konica Minolta bizhub C3351 error c0501: Scanner lamp failure | Vimazdev