c-9402bizhub C258

Konica Minolta bizhub C258 error C-9402: Solution

The Konica Minolta bizhub C258 error C-9402 indicates that the scanner lamp is not reaching the luminous intensity required for copying or scanning. This fault halts the digitization function as it cannot correctly establish a reference brightness. Resolving the C-9402 error in the bizhub C258 implies verifying the lamp's connection or its end-of-life status.

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Common causes

  • 1End of life for the exposure lamp.
  • 2Failure of the lamp's electronic ballast.
  • 3Loose or damaged scanner unit flex cable.
  • 4Dirt accumulation in the optical path.

Solutions

Quick Diagnosis

If the light under the glass fails to ignite or glows very dimly when attempting to scan, the C-9402 error is confirmed. Check if the scanner moves normally before the code appears.

Step-by-Step Solution

  1. Turn off the device and wait a few minutes.
  2. Clean the exposure glass from any debris.
  3. Power on the device and attempt a test copy.
  4. If the light does not ignite, the issue lies within the lamp module.

Prevention and Maintenance

Avoid direct contact with the glass. Clean periodically with a microfiber cloth and non-abrasive glass cleaner.

When to Call a Technician

Replacing the scanner lamp requires disassembling the optical unit. This is a sensitive process that must be performed exclusively by specialized technicians.

Technical Data

Konica Minolta bizhub C258 error C-9402: Solution | Vimazdev