2-35
Confidential
Error code 050A
The hardware detected a temperature error through the center thermistor or the side
thermistor of the fuser unit.
Error code 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.
Error code 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.
Error code 050F
An error occurred in the fuser unit.
Print Unable 05
Turn the power off and then back on again.
Print Unable 05
Turn the power off and then back on again.
Print Unable 05
Turn the power off and then back on again.
Print Unable 05
Turn the power off and then back on again.
<User Check>
• Turn OFF the power switch. After several seconds, turn ON the power again and check
that this error is reset.
Step
Cause
Remedy
1
Connection failure of the center
or side thermistor harness of the
fuser unit
Reconnect the center or side thermistor
harness of the fuser unit.
2
Connection failure of the fuser
unit heater harness
Reconnect the fuser unit heater harness.
3
Connection failure of the eject
sensor PCB flat cable
Reconnect the eject sensor PCB flat cable.
4
Connection failure of the LVPS
harness
Reconnect the LVPS harness.
5
Eject sensor PCB failure
Replace the eject sensor PCB ASSY.
6
Fuser unit failure
Replace the fuser unit.
7
Low-voltage power supply PCB
failure
Replace the low-voltage power supply PCB
ASSY.
8
Main PCB failure
Replace the main PCB ASSY.