Brother MFC-8460N Service Manual page 327

9.1.1.2 Error codes shown in the "MACHINE ERROR X X" message
Error Code
(Hex)
56
57
58
59
5A
5B
5C
5D
5E-5F
60
61-67
68
Symptom
The fuser cover is opened.
Duplex jam
After the fuser unit error
occurs, a message saying to
wait 10 minutes appears on
the LCD.
Although 10 minutes have
passed after the error 58 was
displayed, the fuser unit error
is not resolved.
High-voltage power supply
PCB malfunction
New toner sensor lever error
(New toner sensor stays on)
Optional lower
(LT-5300) error
Duplex printing cannot be
implemented.
Not used.
The ejection tray is full.
Not used.
Side thermistor
temperature error
Probable Cause
The ejection sensor is ON
while no operation is
performed.
Foreign materials in the
DX feed ASSY
Main PCB defective
Ejector solenoid defective
Duplex reverse
damaged
Some kind of error on the
fuser unit
Fuser unit defective
High-voltage
supply PCB malfunction
New toner actuator lever
broken
New toner
defective
Main PCB defective
tray Two or more optional
lower trays are installed.
The DX tray sensor is
OFF.
The ejection tray sensor is
ON.
high Side thermistor
circuit
9-4
Solution
Set the ejection actuator
into place.
Replace relay rear PCB
ASSY.
Replace the main PCB.
Remove foreign materials.
Replace the main PCB.
Replace ejector solenoid.
gear Replace the frame L.
Wait 10 minutes.
Replace the fuser unit.
Replace the power supply
PCB.
Replace the main PCB.
power Replace the high-voltage
power supply PCB.
Replace the new toner
actuator.
sensor Replace the new toner
sensor.
Replace the main PCB.
Install one optional lower
tray.
Reinsert and adjust the
harness of the Relay rear
PCB ASSY.
Replace the back cover.
Replace the relay rear
PCB ASSY.
Replace the main PCB.
Replace the joint cover
ASSY.
Replace the main PCB.
short Replace the fuser unit.
Confidential