Ricoh G104, Service Manual

Page: 92 / 601

SERVICE CALL CONDITIONS
G104 4-8 SM
Item
SC
[Level]
Symptom Possible Cause/Required Action
High voltage power board: Charge voltage output error [Y] 303
[D]
The measured voltage is
not proper when EGB
measures the charge output
for each color. •
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.
Charge AC bias error [K] 304
[D]
The charge current less
than 200 µA is detected. •
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.
Charge AC bias error [M] 305
[D] The charge current less
than 200 µA is detected.
• 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.
Charge AC bias error [C] 306
[D]
The charge current less
than 200 µA is detected. •
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.
Charge AC bias error [Y] 307
[D] The charge current less
than 200 µA is detected.
• 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.
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA