Ricoh G104 Service Manual page 95

SC
[Level]
Symptom
442 Transfer belt contact error
[D]
The transfer belt contact
sensor does not detect the
movement of actuator at the
sensor while the polygon
motor rotates.
452 Transfer roller contact error
[D]
The transfer roller contact
sensor does not detect the
movement of actuator at the
sensor while the polygon
motor rotates.
490 High Voltage Power 1: High voltage output error
[D]
Error signal is detected for
10 times consecutively.
491 High Voltage Power 2: High voltage output error
[D]
Error signal is detected for
10 times consecutively.
531 Paper feed / Fusing motor error
[D]
1. LOCK signal is not
detected for more than
two seconds while the
motor START signal is
on.
2. LOCK signal is not
cancelled within two
seconds after the motor
is off.
SM
CÓPIA NÃO CONTROLADA
Item
Possible Cause/Required Action
• Dirty transfer belt contact sensor
• Defective transfer belt contact motor
• Disconnected connector of transfer belt contact
sensor or motor
• Disconnected cable
1. Replace the transfer belt contact sensor.
2. Replace the transfer belt contact motor.
• Defective transfer roller contact sensor
• Defective transfer roller contact motor
• Defective IOB
1. Replace the transfer roller contact sensor.
2. Replace the transfer roller contact motor.
3. Replace the IOB.
• One of the DC bias outputs for each PCU is
shorted or one of the transfer belt bias outputs for
[Y], [M] and [C].
• Power leaking
• Defective connection
• Disconnected cable
• Defective PCU
• Defective High Voltage Power 1
1. Replace the High Voltage Power 1.
2. Reset the cables and components.
3. Replace the PCU.
• One of the separation bias output, development
bias output and transfer belt cleaning bias output
is shorted or one of the transfer belt bias output
for [K] and transfer roller bias output is shorted.
• Power leaking
• Defective connection
• Defective PCU
• Defective High Voltage Power 2
1. Replace the High Voltage Power 2.
2. Reset the cables and components.
3. Replace the PCU.
• Defective paper feed/ fusing motor
1. Replace the paper feed/ fusing motor.
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CÓPIA NÃO CONTROLADA
SERVICE CALL CONDITIONS
G104