Error code C-0412 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-0412
Classification: Main body: Power abnormality
Cause:
ADU drive board (ADUDB) power abnormality 2.
An error detection signal (blowout of ICP) of the transfer paper correction sensor (PS4), transfer exposure lamp (L4) or SD is detected. However, an error detection signal (24V cut off) is not detected. 
                     

 Measures to take when alert occurs:

The main body and the option stop immediately.                                                 

Estimated abnormal parts:

  • ADU locked solenoid (SD6)
  • Reverse/exit solenoid (SD7)
  • De-curler solenoid /Up (SD8)
  • De-curler solenoid /Lw (SD5)
  • Centering sensor (PS4)
  • ADU drive board (ADUDB1)

Correction:

Turn OFF/ON the power switch (SW2) of the main body when 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 ADUDB1, and repair it if any abnormality. 
  2. Check the connector connection and the wiring between ADUDB1 and sensor/solenoid/TSL, and repair it if any abnormality. (Wiring diagram: Main body (2/4): 13-J, 11-P, 12-P, 14-J).
  3. Check the drive and the coupling of the sensor and the solenoid, and repair it if any abnormality. 
  4. Replace ADUDB1.                                                                                                                                                                                                                
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