2-12
Confidential
3. ERROR INDICATIONS
This machine includes a self-diagnosis function. If the machine does not work normally it
judges that an error has occurred, and indicates the corresponding error message on the
LCD, which in turn helps the service personnel to quickly find out the problem.
3.1 Error Codes
Errors in shaded column do not usually occur during normal use. The possible causes are
noise around the installation site, fluctuation of the power supply voltage, and failures in the
software.
Error
codes
Description
Refer
to:
Error
codes
Description
Refer
to:
0101 ― 0504
After the heat unit was heated
normally, the center thermistor of the
fuser unit detected a temperature
lower than the specified value.
2-40
0102
Communication error between the
engine ASIC and motor driver or faulty
motor driver.
2-38 0505
The center thermistor of the fuser unit
detected a temperature rise greater
than the specified value within the
specified time.
2-40
0201
Cannot detect the synchronized signal
of the paper feed motor.
The speed of the paper feed motor
does not stabilize within the specified
time.
2-38 0506
The center thermistor of the fuser unit
detected a temperature fall greater
than the specified value within the
specified time.
2-40
0202 ― 0508
The side thermistor of the fuser unit
did not detect a temperature rise
when the heater was ON.
2-40
0203 Eject motor failure was detected. 2-38 050A
The hardware detected a temperature
error through the center thermistor or
the side thermistor of the fuser unit.
2-41
0300
Cannot detect the lock signal of the
polygon motor for the laser unit
(second time).
2-39 050B
When the center thermistor of the
fuser unit was lower than the idle
temperature, the side thermistor
detected a temperature higher than
the specified temperature.
2-41
0305
Cannot detect the lock signal of the
polygon motor for the laser unit (first
time).
2-39 050C
When the center thermistor of the
fuser unit was higher than the idle
temperature, the side thermistor
detected a temperature lower than the
specified temperature.
2-41
0401
Cannot detect the synchronized signal
of the polygon motor for the laser unit
(second time).
2-39
050D ―
0402 ― 050F ―
0405
Cannot detect the synchronized signal
of the polygon motor for the laser unit
(first time).
2-39 0800
An error occurred in the internal
temperature sensor.
2-41
0501
The center thermistor of the fuser unit
has not reached the specified
temperature within the specified time.
2-40 0900
Detected irregular power supply for
more than 100 times.
2-42
0502
The center thermistor of the fuser unit
has not reached the specified
temperature within the specified time
after it was heated normally to the
certain level.
2-40
0A01 ―
0503
The center thermistor of the fuser unit
detected a temperature higher than
the specified value.
2-40 0A02 Detected a main fan failure. 2-42
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