Brother MFC-7240 - Page 94

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Confidential
 Error code E6
Write error in the EEPROM of the main PCB
 Error code E7 to EB
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.
 Error code EC
Detected a main fan failure.
Print Unable E6
Turn the power off and then back on again.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
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<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Print Unable EC
Turn the power off and then back on again.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1
Connection failure of the main
fan harness
Reconnect the main fan harness.
2
Connection failure of the high
voltage power supply PCB
harness
Reconnect the high voltage power supply PCB
harness.
3 Main fan failure Replace the main fan.
4
High voltage power supply PCB
failure
Replace the high voltage power supply PCB
ASSY.
5 Main PCB failure Replace the main PCB ASSY.