Ricoh G-P2 Service Manual page 35

G160 Service Manual
SC
Symptom
[Level]
Drum motor error [K]
The LOCK signal is not
396
detected for 2 seconds more
[D]
while the start signal of the
drum motor for black PCU is
output.
Drum motor error [CMY]
The LOCK signal is not
397
detected for 2 seconds more
[D]
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
LED PWM adjustment is not
418
[A] for three times
[D]
consecutively.
[A] = 50 < [A] < 400
Transfer belt contact error
The transfer belt contact
442
sensor does not detect the
[D]
movement of actuator at the
sensor while the polygon
motor rotates.
Possible Cause/Required Action
OPC motor slip due to the excessive load
1. Clean the PCU.
2. Check the cable from the Black OPC/
Development motor. Replace it if
necessary.
3. Replace the EGB.
4. Replace the Black OPC/Development
motor.
Same as SC 396
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.
28
23-Feb-06