Ricoh OR-C1 Field Service Manual page 413

No. Type
TD sensor error 2
The TD sensor outputs less than 0.5V or more than 4.0V 10 times consecutively
during copying.
Note: If the fax option is installed, this SC is issued immediately.
If the fax option is not installed, this SC is issued after the prescribed number of
390 D
pages is copied.
• TD sensor abnormal
• Poor connection of the PCU
1. Replace the TD sensor.
2. Replace the harness of PCU.
No. Type
Development bias leak
The PWM output level was detected higher than 50% after 10 consecutive
samplings.
391 D • High voltage power supply board (power pack) harness loose, broken.
• PCU connection loose or broken
1. Replace the harness of the high voltage power supply board (power pack).
2. Replace the harness of the PCU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Service Call Conditions
3
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