Brother DCP-7080 Service Manual page 70

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