Wired Lan Mac Address Not Registered; Main Pcb Assy Eeprom Write Error - Brother MFC-J2320 Service Manual

Error Code E2

MACHINE ERROR E2

Wired LAN MAC address not registered.

Step
1 Main PCB defective
Error Code E3

MACHINE ERROR E3
Wireless LAN MAC address acquisition error
Step
1 Wireless LAN PCB ASSY
connection failure
2 Wireless LAN PCB ASSY
defective
3 Main PCB defective
Error Code E6

MACHINE ERROR E6

Main PCB ASSY EEPROM write error

Step
1 Main PCB defective
Error Code E9

Unable to Print E9
NFC PCB initialization failed
Step
1 NFC PCB harness connection
failure
2 NFC PCB defective
3 LCD PCB ASSY defective
4 Main PCB defective
Cause
Replace the main PCB ASSY.
Cause
Reconnect the wireless LAN PCB ASSY.
Replace the wireless LAN PCB ASSY.
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
Cause
Reconnect the NFC PCB harness.
Replace the NFC PCB.
Replace the LCD PCB ASSY.
Replace the main PCB ASSY.
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LCD
Solution
LCD
Solution
LCD
Solution
LCD
Solution
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