Error code C-1409 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-1409
Classification: MK: Non-volatile RAM error
 Cause:

When you access to the non-volatile RAM, no response is returned within a specified period of time.

Measures to take when alert occurs:

         The main body and the option stop immediately.                                       
Estimated abnormal parts:
  • MK relay board (MKRB)
Correction: 
Turn OFF/ON the sub power switch (SW2) of the main body for releasing an abnormal condition.
       Note: 
  • The message "Please call service" is displayed on the panel. 

Solution:

  1. Check the connector connection and the wiring on MKRB, and repair it when there is any abnormality. (Wiring diagram: MK-737: 5-D)
  2. Replace MKRB.
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