Ricoh D025 Service Manual page 458

SC Tables
No. Type
Scanner home position error 1
The scanner home position sensor does not detect the "OFF" condition
during operation.
120 D
1.
2.
3.
4.
No. Type
Scanner home position error 2
The scanner home position sensor does not detect the "ON" condition
during operation.
121 D
1.
2.
3.
4.
D023/D025
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Scanner motor driver defective
Scanner motor defective
Harness between SIO board and scanner motor disconnected
Scanner HP sensor defective
Harness between SIO and HP sensor disconnected
Check the cable connection between the SIO board and scanner
motor.
Check the cable connection between the SIO and HP sensor.
Replace the scanner motor.
Replace the HP sensor.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Scanner motor driver defective
Scanner motor defective
Harness between SIO board and scanner motor disconnected
Scanner HP sensor defective
Harness between SIO and HP sensor disconnected
Check the cable connection between the SIO board and scanner
motor.
Check the cable connection between the SIO and HP sensor.
Replace the scanner motor.
Replace the HP sensor.
3-6 SM Appendix