c0502bizhub 350

Konica Minolta bizhub 350 Error C0502: Troubleshooting

The Konica Minolta bizhub 350 error C0502 is an exposure lamp failure signal. It typically prevents the machine from warming up the optical assembly. Understanding why is my Konica Minolta bizhub 350 showing error C0502 is the first step toward restoring scanning capabilities.

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Common causes

  • 1Lamp end of life.
  • 2Loose cable connection.
  • 3Dirty scanner assembly.
  • 4Main board sensor failure.

Solutions

Diagnóstico rápido

The C0502 error occurs when the scanner lamp fails to reach the required brightness during power-on self-test.

Solución paso a paso

  1. Power cycle: Restart the machine.
  2. Lamp check: Inspect the lamp for physical damage.
  3. Cable connection: Verify internal lamp connectors.
  4. Glass cleaning: Ensure no debris is blocking the sensor.

Prevención y mantenimiento

Keep the exposure glass clean and schedule annual internal mirror cleaning.

Cuándo llamar a un técnico

If the lamp does not light up after cleaning, the scanner driver board may need replacement.

Ficha técnica del equipo

  • Type: Monochrome Copier
  • Toner: TN311
  • Support

Steps to follow

  1. 1

    Restart

    Perform a power cycle.

  2. 2

    Check Lamp

    Verify lamp condition.

  3. 3

    Clean

    Clean the scanner glass.

Frequently asked questions

The exposure lamp has failed.

No, the machine locks functions until the error is resolved.

TN311 series.

Regular maintenance of the optics.

Konica Minolta bizhub 350 Error C0502: Troubleshooting | Vimazdev