Ricoh G104 Service Manual page 91

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