SC3xx: Image Processing 
 
429 
No.  Type  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
•  Replace the PCDU. 
•  Replace the development motor (CMY). 
 
No.  Type  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
SC325-01  D  Development motor (CMY) error (When motor is deactivated) 
The motor LOCK signal is not detected for more than 2 seconds while the motor START 
signal is OFF. 
•  Defective development motor (CMY) 
•  Disconnected harness for the motor 
•  Defective BiCU 
•  Replace the development motor (CMY). 
•  Replace the harness for the development motor (CMY). 
•  Replace the BiCU. 
 
No.  Type  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
SC396-00  D  Drum motor (K) error 
SC397-00  D  Drum motor (CMY) error 
    The 
motor LOCK signal is detected for more than 2 seconds while the motor START signal is 
ON. 
•  PCDU overload 
•  Drum motor (K) failure (SC396) 
•  Drum motor (CMY) failure (SC397) 
•  Replace the PCDU. 
•  Replace the drum motor (K) (SC396) 
•  Replace the drum motor (CMY) (SC397) 
 
No.  Type  Details (Symptom, Possible Cause, Troubleshooting Procedures) 
SC396-01  D  Drum motor (K) error (When motor is deactivated) 
SC397-01  D  Drum motor (CMY) error (When motor is deactivated) 
    The motor LOCK signal is not detected for more than 2 seconds while the motor START 
signal is OFF. 
•  Drum motor (K) failure (SC396) 
•  Drum motor (CMY) failure (SC397) 
•  Disconnected harness for the drum motor 
•  Defective BiCU 
•  PCDU torque increased 
•  Replace the drum motor (K) (SC396)