Ricoh AP-P2 G188 Field Service Manual page 297

No. Type
The measured voltage is not proper when IOB measures the charge output for each
color.
• Disconnected or broken high voltage cable
• Defective or not installed PCU
- -
• Defective high voltage power supply
1. Check or replace the connectors.
2. Replace the PCU for the affected colour.
3. Replace the high voltage power supply.
No. Type
360 D TD sensor (Vt high) error 1: K
361 D TD sensor (Vt high) error 1: M
362 D TD sensor (Vt high) error 1: C
363 D TD sensor (Vt high) error 1: Y
• The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds the
specified value (default: 4.7V) with SP3020-002 for twenty counts.
• The [Vt - Vtref] value of the black, magenta, cyan, or yellow TD sensor exceeds
the specified value (default: 5.0V) with SP3020-001.
• Black, magenta, cyan, or yellow TD sensor disconnected
• Harness between TD sensor and PCU defective
- -
• Defective TD sensor.
• Low toner density
1. Check the black, magenta, cyan, or yellow TD sensor connector and harness
between the TD sensor and PCU for damage.
2. Check the drawer connector.
3. Replace the defective PCU.
No. Type
364 D TD sensor (Vt low) error 2: K
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Service Call Conditions
3
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