Brother MFC-9560CDW - Others Problems; The Machine Is Not Turned ON, or the LCD Indication Does Not Appear; The Fan Does Not Work (Error Code 2 B, EC)

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3.13 Others Problems
3.13.1 The machine is not turned ON, or the LCD indication does not appear
3.13.2 The fan does not work (Error code 2B, EC)
Step Cause Remedy
1 AC cord failure Replace the AC cord.
2 Harness connection failure of
panel PCB ASSY
Reconnect the panel PCB ASSY harness.
3 Harness connection failure of
LCD
Reconnect the LCD harness.
4 LCD failure Replace the LCD unit.
5 Inlet Harness ASSY failure Replace the inlet harness ASSY.
6 Low-voltage power supply
PCB failure
Replace the low-voltage power supply PCB
ASSY.
7 Panel PCB failure Replace the panel PCB ASSY.
8 Engine PCB failure Replace the engine PCB ASSY.
9 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
10 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Harness connection failure of
the appropriate fan
Reconnect the harness of the appropriate fan
correctly.
2 Failure of the appropriate fan Replace the appropriate fan.
3 Engine PCB failure Replace the engine PCB ASSY.
4 High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB
ASSY.
5 Low-voltage power supply
PCB failure
Replace the low-voltage power supply PCB
ASSY.
6 Main PCB failure Replace the main PCB ASSY.