Error code C-1520 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-1520
Classification: PB: PB abnormality
Cause:
The booklet exit has not been completed within a specified period of time after the booklet exit motor (M42) becomes active.
 Measures to take when alert occurs:
         The main body and the option stop immediately.                                       
Estimated abnormal parts:
  • PB control board (PBCB)
  • PB drive board (PBDB1)
  • Booklet exit motor (M42)
Correction: 
         Press the help key to activate and deactivate the sub power switch (SW2) of the main body.          
      Note: 
  • When you isolate the faulty part, the limited use is available.
  • The message "Please call service" and "Press [Help] to disengage" are displayed alternately on the touch panel.
  • When you press the help key, the message "Please turn on power again" is displayed on the touch panel.
Solution:
  1. Check the booklet exit section, and clean or repair it when there is any abnormality.
  2. Check the connector connection and the wiring between PBDB1 and the motor, and repair it when there is any abnormality.
  3. Check the connector connection and the wiring between PBDB1 and PBCB, and repair it when there is any abnormality.
  4. Check the I/O drive of the motor and the coupling of the gear, and repair or replace it when there is any abnormality. (Wiring diagram: PB-503: 12-D)
  5. Replace M42.
  6. Replace PBDB1.
  7. Replace PBCB.
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