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Error code C-0242 for Bizhub Press 1250 1250P 1052 Bizhub Pro 951

by sherlyn planas on January 03, 2024
Code: C-0242
 Classification: PF: Tray7
Cause: 
2nd tandem PF-703/706 middle tray up abnormality.
PF-703: When the upper limit sensor /2 PS9 is OFF, PS9 does not turn On within 20 seconds after the paper lift motor / 2 (M8) turns ON for the lifting operation. Or, the paper suction sensor /Fr2 and Rr2 (PS27 and PS28) turn ON before PS9 turns On while in tray lifting.
PF-706: When the upper limit sensor /2 PS6 is OFF, PS6 does not turn ON within 20 seconds after the paper lift motor /2 (M43) turns ON for the lifting operation.
 
Measures to take when alert occurs:                                                              
The main body and the option stop immediately.   
                                            
Estimated abnormal parts:
  • Upper limit sensor /2 (PS9: PF-703)
  • Upper limit sensor /2 (PS6: PF-706)
  • Paper lift motor /2 (M8: PF-703)
  • Paper lift motor /2 (M43: PF-706)
  • PF drive board (PFUDB: PF-703/706)
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 middle 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: 12-F, PF-706: 7-C).
  4. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: PF-703: 9-F, PF706: 5-C)
  5. Replace PS9: PF-703 or PF-706:5-C
  6. Replace M8: PF-703 or PF-706: 5-C 
  7. Replace PFUDB
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