Ricoh G-P3 Service Manual page 106

SC
Symptom
[Level]
while the start signal of the
drum motor for color PCU is
output.
ID sensor correction error
400
Regular Vsp is not (4 ±0.5V)
[D]
when ID sensor correction is
executed.
ID sensor: LED adjustment error
418
LED PWM adjustment is not [A]
[D] for three times consecutively.
[A] = 50 < [A] < 400
Transfer belt contact error
The transfer belt contact sensor
442
does not detect the movement
[D]
of actuator at the sensor while
the motor rotates.
Transfer belt speed error
443
The detected speed is different
[C]
from the normal speed by 1%
or more
Transfer roller contact error
452
The transfer roller contact
[D]
sensor does not detect the
Possible Cause/Required Action
• Defective ID sensors
• Dirty ID sensors or transfer belt
• ID sensor life is over.
1. Replace the ID sensors.
• Defective ID sensors
• Dirty ID sensors or transfer belt
• ID sensor life is over.
1. Replace the ID sensors.
• 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 belt motor
• Disconnected harness
1. Replace the transfer belt motor
2. Replace the image transfer unit.
• Defective transfer roller contact sensor
• Defective transfer roller contact motor
Service Call Conditions
4
105