Brother HL-L2300D Service Manual page 47

Error code 0506
Print Unable 05
Turn the power off and then back on again.
The center thermistor of the fuser unit detected a temperature fall greater than the specified
value within the specified time.
<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.
2-29
Remedy
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