Ricoh G104 Service Manual page 92

SERVICE CALL CONDITIONS
SC
[Level]
Symptom
303 High voltage power board: Charge voltage output error [Y]
[D]
The measured voltage is
not proper when EGB
measures the charge output
for each color.
304 Charge AC bias error [K]
[D] The charge current less
than 200 µA is detected.
305 Charge AC bias error [M]
[D]
The charge current less
than 200 µA is detected.
306 Charge AC bias error [C]
[D]
The charge current less
than 200 µA is detected.
307 Charge AC bias error [Y]
[D]
The charge current less
than 200 µA is detected.
G104
CÓPIA NÃO CONTROLADA
Item
Possible Cause/Required Action
• Defective charge roller
• Defective connectors
• Disconnected harness
• Defective high voltage power 1
1. Check the connectors.
2. Replace the PCU for yellow.
3. Replace the drum positioning plate.
4. Replace the high voltage power 1.
• Defective charge roller
• Defective connectors
• Disconnected harness
• Defective high voltage power 1
1. Check the connectors.
2. Replace the PCU for black.
3. Replace the drum positioning plate.
4. Replace the high voltage power 1.
• Defective charge roller
• Defective connectors
• Disconnected harness
• Defective high voltage power 1
1. Check the connectors.
2. Replace the PCU for magenta.
3. Replace the drum positioning plate.
4. Replace the high voltage power 1.
• Defective charge roller
• Defective connectors
• Disconnected harness
• Defective high voltage power 1
1. Check the connectors.
2. Replace the PCU for cyan.
3. Replace the drum positioning plate.
4. Replace the high voltage power 1.
• Defective charge roller
• Defective connectors
• Disconnected harness
• Defective high voltage power 1
1. Check the connectors.
2. Replace the PCU for yellow.
3. Replace the drum positioning plate.
4. Replace the high voltage power 1.
4-8
CÓPIA NÃO CONTROLADA
SM