Brother FAX-2840 Service Manual page 63

Error code 24
Print Unable 24
Turn the power off and then back on again.
An error occurred in the internal temperature thermistor.
Step
Connection failure of the
1 internal temperature thermistor
harness
Internal temperature thermistor
2
failure
3 Main PCB failure
Error code 25 to 35
These errors do 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.
---
An unidentified error occurred.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
Error code 36
Print Unable 36
Turn the power off and then back on again.
An error occurred in the high voltage power supply PCB in the ready state.
Step
Connection failure of the high
1 voltage power supply PCB
harness
High voltage power supply PCB
2
failure
3 Main PCB failure
Cause
Reconnect the internal temperature thermistor
harness.
Replace the internal temperature thermistor.
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
Cause
Reconnect the high voltage power supply PCB
harness.
Replace the high voltage power supply PCB
ASSY.
Replace the main PCB ASSY.
2-26
Remedy
Remedy
Remedy
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