Ricoh G104 Service Manual page 94

SERVICE CALL CONDITIONS
SC
[Level]
Symptom
372 TD sensor: Initial adjustment error [K]
[D]
Vt is not (A ± 0.2) when
initial setting for TD sensor
is executed.
A = SP3011-001 for [K]
373 TD sensor: Initial adjustment error [M]
[D]
Vt is not (A ± 0.2) when
initial setting for TD sensor
is executed.
A = SP3011-002 for [M]
374 TD sensor: Initial adjustment error [C]: same as 372
[D]
Vt is not (A ± 0.2) when
initial setting for TD sensor
is executed.
A = SP3011-003 for [C]
375 TD sensor: Initial adjustment error [Y]: same as 372
[D]
Vt is not (A ± 0.2) when
initial setting for TD sensor
is executed.
A = SP3011-004 for [Y]
380 Drum gear position sensor error
[C]
When receiving the input
signal of drum gear position
sensor is not correctly
done, SC380 is logged.
396 Drum motor error [K]
[D]
The LOCK signal is not
detected for 2 seconds
more while the start signal
of the drum motor for black
PCU is output.
397 Drum motor error [CMY]
[D]
The LOCK signal is not
detected for 2 seconds
more while the start signal
of the drum motor for color
PCU is output.
400 ID sensor correction error
[D]
Regular Vsp is not (4 ± 0.5
V) when ID sensor
correction is executed.
418 ID sensor: LED adjustment error
[D]
LED PWM adjustment is
not [A] for three times
consecutively.
[A] = 50 < [A] < 400
G104
CÓPIA NÃO CONTROLADA
Item
Possible Cause/Required Action
• Defective connector connection
• Defective TD sensor
• The toner density in the developer is different
from the initial condition.
1. Replace the PCU.
Same as 372
Same as 372
Same as 372
• Unclean or defective drum gear position sensor
1 Clean the drum gear position sensor.
2 Replace the drive unit.
• 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.
4-10
CÓPIA NÃO CONTROLADA
SM