Ricoh D027 Service Manual page 2

3.1.2 SERVICE CALL TABLES - 1
SC1xxx: Scanning
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Exposure lamp error
The peak white level is less than 64/255 digits (8 bits) when scanning
the shading plate.
Exposure lamp defective
Lamp stabilizer defective
Exposure lamp connector defective
101 D
Standard white plate dirty
Scanner mirror or scanner lens out of position or dirty
1. Check and clean the scanner mirror(s) and scanner lens.
2. Check and clean the shading plate.
3. Replace the exposure lamp.
4. Replace the lamp stabilizer.
5. Replace the scanner mirror(s) or scanner lens.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
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
120 D
Harness between SIO board and scanner motor disconnected
Scanner HP sensor defective
Harness between SIO and HP sensor disconnected
1. Check the cable connection between the SIO board and scanner
motor.
SM 3-5
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SC Tables
D027/D029 APPENDICES