Brother HL-4140CN Service Manual page 62

■ Error code 2C (K)
Print Unable 2C
Turn the power off and then back on again.
Error code 2D Y
(
Print Unable 2D
Turn the power off and then back on again.
Error code 2E M
(
Print Unable 2E
Turn the power off and then back on again.
Error code 2F C
(
Print Unable 2F
Turn the power off and then back on again.
Toner/New sensor PCB error.
Step
1 Toner/New sensor PCB ASSY
failure
2 Engine PCB failure
3 High-voltage power supply PCB
failure
4 Main PCB failure
■ Error code 30
Print Unable 30
Turn the power off and then back on again.
Erase lamp current value error.
This error does not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
<User Check>
- Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
)
)
)
Cause
Cause
2-31
Remedy
Check the sensor performance following
the procedure described in
32". If any problem occurs, replace the
Toner/New sensor PCB ASSY.
Replace the engine PCB ASSY.
Replace the high-voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
"Function code
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