Error code C-0551 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-0551
Classification: PF: PF power source abnormality
3rd tandem PF-703 paper leading edge separation fan /Fr2 (FM7) power abnormality.
The EM detection signal of  the FM7 is detected twice in succession within a specified period of time after the FM7 was activated. At this time, an error detection signal (blowout of ICP) is also detected. 
Measures to take when alert occurs:
The main body and the option stop immediately.                                                 

Estimated abnormal parts:

  • Paper leading edge separation fan /Fr2 (FM7: PF-703)
  • PF drive board (PFUDB: PF-703)
Turn OFF/ON the power switch (SW2) of the main body when releasing an abnormal condition.
Note:  "Please call service" is displayed on the touch panel.
  1. Check the connector connection and the wiring between PFUDB and the fan, and repair it if any abnormality. 
  2. Rotate the fan or I/O by hand, and repair it if any abnormality. (Wiring diagram: PF-703: 11-F).
  3. Replace FM7 and PFUDB.           
Back to blog