Error code C-1438 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-1438
Classification: RU: RU-509 abnormality
Cause:

Communication errors in RU.

Measures to take when alert occurs:

         The main body and the option stop immediately.                                       
Estimated abnormal parts:
  • Software bug
Correction: 
       Note: 
  • The message "Please call service" is displayed on the panel. 

Solution:

  1. Deactivate the sub power switch and unplug the power plug. Restart the main body after 10 seconds. 
  2. Check the connector connection and the wiring of RUCB, and repair it when there is any abnormality.
  3. Reinstall the RU firmware
  4. Replace RUCB.
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