Ricoh D104 Field Service Manual page 571

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 BCU and scanner motor disconnected
121 D
• Scanner HP sensor defective
• Harness between BCU and HP sensor disconnected
1. Check the cable connection between the BCU board and scanner motor.
2. Check the cable connection between the BCU and HP sensor.
3. Replace the scanner motor.
4. Replace the scanner HP sensor.
No. Type
Black level detection error
The black level cannot be adjusted within the target value during the zero clamp.
• Harness disconnected
141 D
• Defective SBU
1. Check the cable connection
2. Replace the SBU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
6
569