Ricoh G104 Service Manual page 346

Service Call Conditions
SC
Symptom
[Level]
Color development motor error
LOCK signal is not
detected for more than
two seconds while the
325
motor START signal is
[D]
on.
LOCK signal is not
cancelled within two
seconds after the motor
is off.
TD sensor: Output maximum error [K]
360
Vt is more than the maximum
[D]
value (4.5) for three times
consecutively.
361 TD sensor: Output maximum error [M]
[D]
Same as SC 360
362 TD sensor: Output maximum error [C]
[D]
Same as SC 360
363 TD sensor: Output maximum error [Y]
[D]
Same as SC 360
TD sensor: Output minimum error [K]
364
Vt is less than the minimum
[D]
value (0.5) for three times
consecutively.
365 TD sensor Output minimum error [M]
[D]
Same as SC 364
366 TD sensor: Output minimum error [C]
[D]
Same as SC 364
367 TD sensor: Output minimum error [Y]
[D]
Same as SC 364
TD sensor: Initial control voltage error [K]
368
Vt is less than 1 V even
[D]
though the control power
G160/G161
CÓPIA NÃO CONTROLADA
Possible Cause/Required Action
Color development motor slip due to the
increase of the load torque
1. Adjust the load torque properly by
replacing or cleaning the development
unit.
2. Replace or repair the development
motor if the load torque is normal.
Defective connector connection
Increasing toner density
1. Replace the PCU.
Defective connector connection
Decreasing toner density
1. Replace the PCU.
Defective connector connection
Defective TD sensor
4-12
CÓPIA NÃO CONTROLADA
SM