Brother DCP-L8400CDN Service Manual page 116

■
Error code E900
Print Unable E9
Turn the power off and then back on again.
NFC PCB initialization failed.
Step
1 Connection failure of the NFC
PCB flat cable
2 Connection failure of the panel
PCB harness
3 Panel PCB failure
4 NFC PCB failure
5 Main PCB failure
■
Error code EC00
Unusable Device
Remove the Device. Turn the power off and back on again.
Overcurrent was caused because a USB device that did not meet the specifications was
inserted into the USB port.
< User Check >
- Remove the USB device from the USB port and turn the power OFF. Turn it ON again after a
while.
- Replace the USB device with another one.
Step
1 USB host relay PCB failure
2 Main PCB failure
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Error code F900
-
-
Setting by spec code is not entered.
Step
1 During function code 74, power
is turned OFF.
2 Main PCB failure
Cause
Reconnect the NFC PCB flat cable.
Reconnect the panel PCB harness.
Replace the panel PCB unit.
Replace the NFC PCB ASSY.
Replace the main PCB ASSY.
Cause
Replace the joint cover USB ASSY.
Replace the main PCB ASSY.
Cause
Enter the Setting by spec code again.
(Refer to
(Function code 74)" in Chapter
Replace the main PCB ASSY.
2-86
Remedy
Remedy
Remedy
"1.3.30 Setting by country
5.)
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