Error code C-1261 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

Code: C-1261
Classification: SD: SD-513 abnormality
Cause:

The staple operation does not complete even after a specified period of time since the stapler motor (M30) starts the operation. 

 Measures to take when alert occurs:

         The main body and the option stop immediately.                                                 
Estimated abnormal parts:
  • Stapler motor (M30)
  • SD drive board (PCB2)
  • SD control board (PCB1)
Correction:
         Press the help key to activate and deactivate the sub power switch (SW2) of the main body.
Note: 
  • Faulty part isolation allows you to use the machine temporarily.
  • The message "Please call service" and "Press [Help] to disengage" are alternately displayed.   
  • When you press the help key, the message "Please turn on the power again" is displayed.  
Solution:
  1. Check the stapler section, and if there is any abnormality, clean or repair it.
  2. Check the connector connection and the wiring harness between PCB2 and the monitor. Then, repair them when there is any abnormality.(Wiring diagram: SD-513 (2/2): 4-B)
  3. Check the connector connection and the wiring  harness between PCB2 and PCB1, and if there is any abnormality, repair them.
  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.
  5. Replacing the staple unit.
  6. Replace PCB2.
  7. Replace PCB1.
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