Ricoh D143 Field Service Manual page 785

No. Type
Scanner home position error 1
The scanner home position sensor does not detect the "OFF" condition during
operation.
• Scanner motor driver defective
• Scanner motor defective
• Harness between SIO board and scanner motor disconnected
120 D
• Scanner HP sensor defective
• Harness between SIO and HP sensor disconnected
1. Check the cable connection between the SIO board and scanner motor.
2. Check the cable connection between the SIO and HP sensor.
3. Replace the scanner motor.
4. Replace the HP sensor.
No. Type
Scanner home position error 2
The scanner home position sensor does not detect the "ON" condition during
operation.
• Scanner motor driver defective
• Scanner motor defective
• Harness between SIO board and scanner motor disconnected
121 D
• Scanner HP sensor defective
• Harness between SIO and HP sensor disconnected
1. Check the cable connection between the SIO board and scanner motor.
2. Check the cable connection between the SIO and HP sensor.
3. Replace the scanner motor.
4. Replace the HP sensor.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Service Call
783