Ricoh D104 Field Service Manual page 587

No. Type
High voltage power: Drum/ development bias output error
An error signal is detected for 0.2 seconds when charging the drum or development.
• High voltage leak
• Broken harness
491 D
• Defective drum unit or development unit
• Defective HVPS-CB board
1. Check or replace the harness.
2. Replace the drum unit or paper transfer unit.
3. Replace the HVPS-CB board.
No. Type
High voltage power: Image transfer/ paper transfer bias output error
An error signal is detected for 0.2 seconds when charging the separation, image
transfer belt or paper transfer roller.
• High voltage leak
• Broken harness
• Defective image transfer belt unit or paper transfer unit
• Defective HVPS-TTS board
492 C
1. Input "0V" in the following SP settings:
2. Execute the "Process Control" with SP3011-001.
3. Replace the ITB unit if an SC occurs after the Process Control.
4. Replace the PTR unit if an SC does not occur after the Process Control.
5. Replace the HVPS-TTS board.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
• SP2-326-001
• SP2-326-003
• SP2-407-001
SC Tables
6
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