Ricoh G104, Service Manual

Page: 346 / 601

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