Ricoh G104, Service Manual

Page: 95 / 601

SERVICE CALL CONDITIONS
SM 4-11 G104
Trouble-
shooting
Item
SC
[Level]
Symptom Possible Cause/Required Action
Transfer belt contact error 442
[D]
The transfer belt contact
sensor does not detect the
movement of actuator at the
sensor while the polygon
motor rotates. •
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.
Transfer roller contact error 452
[D]
The transfer roller contact
sensor does not detect the
movement of actuator at the
sensor while the polygon
motor rotates.
• 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.
High Voltage Power 1: High voltage output error 490
[D]
Error signal is detected for
10 times consecutively. •
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.
High Voltage Power 2: High voltage output error 491
[D]
Error signal is detected for
10 times consecutively. •
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.
Paper feed / Fusing motor error 531
[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.
•
Defective paper feed/ fusing motor
1. Replace the paper feed/ fusing motor.
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA