Error code C-0422 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-0422
Classification: PF: PF power source abnormality
Abnormality of the 24V power for the PF drive board (PFUDB) of the 1st tandem PF-703/706.
While in printing, an error detection signal (24V power DOWN) of the PFUDB is detected.

Measures to take when alert occurs:

The main body and the option stop immediately.                                                 

Estimated abnormal parts:

  • PF drive board (PFUDB: PF-703/706)


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.                      
  1. Check the connector connection and the wiring on PFUDB, and repair it if any abnormality. 
  2. Replace PFUDB.                                                                                                                                                                                                   
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