Error code C-1439 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-1439
Classification: RU: RU-510 abnormality
Cause:

Communication error in RU.

Measures to take when alert occurs:

         The main body and the option stop immediately.                                       
Estimated abnormal parts:
  • Software bug
Correction: 
          Deactivate and activate the sub power switch (SW2) of the main body when an abnormal condition is released.
       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 if any abnormality.
  3. Reinstall the RU firmware
  4. Replace RUCB.
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