Ricoh MPC 2800 AT-C2 Mode D'emploi page 413

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.
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.
No. Type
White level detection error
The white level cannot be adjusted within the target during auto gain control.
• Dirty exposure glass or optics section
142 D
• SBU board defective
• Exposure lamp defective
• Lamp stabilizer defective
• Scanner motor defective
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC Tables
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