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Error code C-0250 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

by sherlyn planas on January 03, 2024
Code: C-0250
 Classification: PI-PFU: PI Tray1
Cause: 
PI-PFU (PF-703) upper tray up abnormality.
When the upper limit sensor /1 (PS5) is OFF, PS5 does not turn ON within 20 seconds after the paper lift motor /1 (M7) turns ON for lifting operation. Or, the paper suction sensor /Fr1 and /Rr1 (PS25 and PS26) turn ON before PS5 turns ON while in tray lifting.
                                                                                                               
Measures to take when alert occurs:                                                              
The main body and the option stop immediately. 
        
Estimated abnormal parts:
  • Upper limit sensor /1 (PS5: PF-703)
  • Paper lift motor /1 (M7: PF-703)
  • PF drive board (PFUDB: PF-703)
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 paper loaded condition and the rear end restriction plate misaligned of the upper tray, and repair it if any abnormality.
  2. Check the connector connection and the wiring between PFUDB and motor/sensor, and repair it if any abnormality.
  3. Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. (Wiring diagram: PF-703: 6-F).
  4. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: PF-703: 3-F).
  5. Upper limit sensor /1 (PS5: PF-703)
  6. Replace PFUDB
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