Error Indications; Error Codes - Brother DCP-L8400CDN Service Manual

3.

ERROR INDICATIONS

This machine includes a self-diagnosis function. If the machine does not work normally it
judges that an error has occurred, and indicates the corresponding error message on the LCD,
which in turn helps the service personnel to quickly find out the problem.
3.1

Error Codes

The shaded errors hardly occur under normal use. They may be caused by noise around the
installation site, variation in power supply voltage, or software failure.
Error
Description
Codes
0100 ASIC error or motor driver error
occurred.
0201 Synchronization signal from the
main motor cannot be detected.
Or the main motor speed is
unstable after a set period of
time.
0202 Synchronization signal from the
process motor cannot be
detected. Or the process motor
speed is unstable after a set
period of time.
0203 ---
0204 ---
0205 ---
0206 ---
0207 ---
0208 ---
0209 ---
0300 The Lock signal of the polygon
motor of the laser unit cannot be
detected.
0305 ---
0401 BD sensor 1 damaged.
0402 BD sensor 4 damaged.
0405 ---
0501 The center thermistor of the
fuser unit does not reach the
specified temperature within the
specified time.
Refer Error
to: Codes
2-39 0502 After the temperature of the
fuser unit rises to a certain level,
the temperature of the center
2-39 thermistor does not reach the
specified temperature within the
specified period of time in the
next step.
0503 The center thermistor of the
fuser unit detected a
2-39
temperature higher than the
specified value.
0504 After the center thermistor of the
fuser unit was normally heated,
it detected a temperature lower
than the specified value.
0505 The center thermistor of the
fuser unit detected a
temperature rise greater than
the specified value within a set
period of time.
0506 The center thermistor of the
fuser unit detected a
temperature fall greater than the
2-40 specified value within a set
period of time.
050A The center thermistor or side
thermistor of the fuser unit
detected some temperature
2-40 error in the hardware.
2-40 050B When the temperature of the
center thermistor of the fuser
unit is lower than the idle
2-41 temperature, the side thermistor
of the fuser unit detected a
temperature higher than the
specified value.
2-13
Description
Confidential
Refer
to:
2-41
2-41
2-41
2-41
2-41
2-42
2-42