Error code 0501Error code 0501
The center thermistor of the fuser unit has not reached the specified temperature within theThe center thermistor of the fuser unit has not reached the specified temperature within the
specified time.specified time.
Error code 0502Error code 0502
The center thermistor has not reached the specified temperature within the specified timeThe center thermistor has not reached the specified temperature within the specified time
after the fuser unit has reached to a certain temperature.after the fuser unit has reached to a certain temperature.
Error code 0503Error code 0503
The center thermistor of the fuser unit detected a The center thermistor of the fuser unit detected a temperature higher than the specified value.temperature higher than the specified value.
Error code 0504Error code 0504
After the heat unit was heated normally, the center thermistor of the fuser unit detected aAfter the heat unit was heated normally, the center thermistor of the fuser unit detected a
temperature lower than the specified value.temperature lower than the specified value.
Error code 0505Error code 0505
The center thermistor of the fuser unit detected a temperature rise greater than the specifiedThe center thermistor of the fuser unit detected a temperature rise greater than the specified
value within the specified time.value within the specified time.
Error code 0506Error code 0506
The center thermistor of the fuser unit detected a temperature fall greater than the specifiedThe center thermistor of the fuser unit detected a temperature fall greater than the specified
value within the specified time.value within the specified time.
Print Unable 05Print Unable 05
Turn the power off and Turn the power off and then back on again.then back on again.
Print Unable 05Print Unable 05
Turn the power off and Turn the power off and then back on again.then back on again.
Print Unable 05Print Unable 05
Turn the power off and Turn the power off and then back on again.then back on again.
Print Unable 05Print Unable 05
Turn the power off and Turn the power off and then back on again.then back on again.
Print Unable 05Print Unable 05
Turn the power off and Turn the power off and then back on again.then back on again.
Print Unable 05Print Unable 05
Turn the power off and Turn the power off and then back on again.then back on again.
<User Check><User Check>
•• Turn OFF the powTurn OFF the power switch. Afer switch. After severater several seconds, turl seconds, turn ON the power again and chn ON the power again and checkeck
that this error has reset.that this error has reset.
SStteepp CCaauussee RReemmeeddyy
11
Connection failure of the centerConnection failure of the center
thermistor harness of the fuserthermistor harness of the fuser
unitunit
Reconnect the center thermistor harness of theReconnect the center thermistor harness of the
fuser unit.fuser unit.
22
Connection failure of the heaterConnection failure of the heater
harness of the fuser unitharness of the fuser unit
Reconnect the heater harness of the fuser unit.Reconnect the heater harness of the fuser unit.
33
Connection failure of the lowConnection failure of the low
voltage PCB harnessvoltage PCB harness
Reconnect the low voltage PCB harness.Reconnect the low voltage PCB harness.
44 FFuusseer r uunniit t ffaaiilluurree RReeppllaacce e tthhe e ffuusseer r uunniitt..
55 Low voltage power supply PCB failureLow voltage power supply PCB failure Replace the low voltage power supply PCB unit.Replace the low voltage power supply PCB unit.
66 MMaaiin n PPCCB B ffaaiilluurree RReeppllaacce e tthhe e mmaaiin n PPCCB B AASSSSYY..
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