C-2221
Classification
Main body: 1st transfer motor abnormality
Cause
While the 1st transfer HP sensor (PS15) is ON, PS15 does not turn OFF within a specified period of time after the 1st transfer pressure
release motor (M19) turns ON.
While PS15 is OFF, PS15 does not turn ON within a specified period of time after M19 turns ON.
Measures to take when alert occurs
The main body stops immediately to turn OFF the power relay (RL1).
Estimated abnormal parts
• AC drive board (ACDB)
• Printer control board (PRCB)
• 1st transfer pressure release motor (M19)
• 1st transfer HP sensor (PS15)
Correction
Note
• The message "Please call service" is displayed on the panel.
Solution
1. Check the 1st transfer fusing pressure release section, and clean/repair it if any abnormality.
2. Check the connector connection and the wiring between PRCB and the sensor, and repair it if any abnormality.
3. Check the connector connection and the wiring between ACDB and the motor, and repair it if any abnormality.
4. Check the connector connection and the wiring between ACDB and PRCB, and repair it if any abnormality.
5. Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. (Wiring diagram: Main body
(1/3): 10-B)
6. Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: Main body (3/3): 16-O)
7. Replace PS15.
8. Replace M19.
9. Replace ACDB.
10. Replace PRCB.
11. Replace M19 and ACDB at a time.