Brother MFC-9130CW Service Manual page 80

■ Error code 1E01
Print Unable 1E
Turn the power off and then back on again.
Access is unavailable between the main PCB and LED control PCB.
Error code 1E02
Print Unable 1E
Turn the power off and then back on again.
Read/Write is unavailable between the main PCB and LED control PCB.
Step
1 LED control PCB harness
connection failure
2 LED control PCB failure
3 Main PCB failure
■ Error code 3801
Print Unable 38
Turn the power off and then back on again.
Error occurred in the external temperature/humidity sensor.
Step
1 External temperature/humidity
sensor harness connection
failure
2 External temperature/humidity
sensor failure
3 Main PCB failure
■ Error code 3A00
Print Unable 3A
Turn the power off and then back on again.
Error occurred in the communication between the controller in the main PCB and engine.
Step
1 Main PCB failure
Cause
Cause
Cause
2-41
Remedy
Check the LED control PCB harness
connection and reconnect it.
Replace the LED control PCB ASSY.
Replace the main PCB ASSY.
Remedy
Check the external temperature/humidity
sensor harness connection and reconnect
it.
Replace the external temperature/
humidity sensor PCB ASSY.
Replace the main PCB ASSY.
Remedy
Replace the main PCB ASSY.
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