Ricoh G104 Service Manual page 349

SC
Symptom
[Level]
movement of actuator at the
sensor while the polygon
motor rotates.
Transfer roller contact error
The transfer roller contact
452
sensor does not detect the
[D]
movement of actuator at the
sensor while the polygon
motor rotates.
High Voltage Power 1: High voltage output error
490
Error signal is detected for
[D]
10 times consecutively.
High Voltage Power 2: High voltage output error
491
Error signal is detected for
[D]
10 times consecutively.
SM
CÓPIA NÃO CONTROLADA
Possible Cause/Required Action
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
4-15
CÓPIA NÃO CONTROLADA
Service Call Conditions
G160/G161