Ricoh D143 Field Service Manual page 844

6. Troubleshooting
No. Type
720
B
-53
No. Type
720
B
-55
No. Type
720
B
-57
842
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Fold unit bottom fence motor error
The bottom fence of the fold unit moves but is not detected at the home position
within the specified time. The 1st detection failure issues a jam error, and the 2nd
failure issues this SC code.
• Motor harness disconnected, loose, defective
• Defective motor
1. Check the connections to the fold unit bottom fence motor.
2. Replace the fold unit bottom fence motor.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Clamp roller retraction motor error
The clamp roller retraction motor moves but is not detected at the home position
within the specified time.
The 1st detection failure issues a jam error, and the 2nd failure issues this SC
code.
• Motor harness disconnected, loose, defective
• Defective motor
1. Check the connections to the clamp roller retraction motor motor.
2. Replace the clamp roller retraction motor motor.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Stack junction gate motor error
The stack junction gate moves but is not detected at the home position within the
specified time. The 1st detection failure issues a jam error, and the 2nd failure
issues this SC code.
• Motor harness disconnected, loose, defective
• Defective motor
1. Check the connections to the stack junction gate motor.
2. Replace the stack junction gate.