Ricoh G104 - Page 91

SERVICE CALL CONDITIONS
SM 4-7 G104
Trouble-
shooting
Item
SC
[Level]
Symptom Possible Cause/Required Action
LDB error [Y] 241
[D]
The EGB detects LDB error
a few times consecutively
when LDB unit turns on
after LDB initialisation.
Same as SC240
LDB error [M] 242
[D]
The EGB detects LDB error
a few times consecutively
when LDB unit turns on
after LDB initialisation.
Same as SC240
LDB error [C] 243
[D]
The EGB detects LDB error
a few times consecutively
when LDB unit turns on
after LDB initialisation.
Same as SC240
LDU shutter error 270
[D]
Sensor output does not
change even if 1 second
passes after the LDU
shutter motor is on.
• Sensor defective or LDU shutter motor defective
1. Replace the LDU shutter sensor or shutter motor.
High voltage power board: Charge voltage output error [K] 300
[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 black.
3. Replace the drum positioning plate.
4. Replace the high voltage power 1.
High voltage power board: Charge voltage output error [M] 301
[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 magenta.
3. Replace the drum positioning plate.
4. Replace the high voltage power 1.
High voltage power board: Charge voltage output error [C] 302
[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 cyan.
3. Replace the drum positioning plate.
4. Replace the high voltage power 1.
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA