Service Call Conditions
G160/G161 4-16 SM
SC
[Level]
Symptom Possible Cause/Required Action
Defective connection
Defective PCU
Defective High Voltage Power 2
1. Replace the High Voltage Power 2.
2. Reset the cables and components.
3. Replace the PCU.
Paper feed / Fusing motor error
531
[D]
LOCK signal is not
detected for more than
two seconds while the
motor START signal is
on.
LOCK signal is not
cancelled within two
seconds after the motor
is off.
Defective paper feed/ fusing motor
1. Replace the paper feed/ fusing motor.
Fan motor error
532
[D]
The fan motor “On” signal is
not detected for the
components below after the
drum motor for black is set to
“On”.
PSU fan
Fusing unit fan
Polygon motor fan
Drive unit fan
Exit paper fan
Defective fan motor
1. If the error occurs again, one of the fans
is defective. Remove the covers, find
the defective fan and replace it.
Thermistor error
541
[A]
The thermistor output is less
than 0 °C for six seconds.
Disconnected thermistor
Defective connector connection
Print ready temperature error
542
[A]
The heating roller
temperature increase
Defective thermistor
Thermistor coming off
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