E6 An Error Occurred In The E2Prom Of The Main Pcb; Nfc Pcb Initialization Failed - Brother DCP-J552DW Service Manual

■ Error Code E3
Unable to print E3
Wireless LAN MAC address not registered.
Step
1 Wireless LAN PCB ASSY
connection failure
2 Wireless LAN PCB ASSY
defective
3 Main PCB defective
■ Error Code E6
Unable to print E6
An error occurred in the E2PROM of the main PCB.
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 Main PCB defective
■ Error Code EC
Unable to print EC
LCD unit firmware version mismatch detected.
Step
1 LCD PCB harness connection
failure
2 LCD PCB defective
3 Main PCB defective
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 ASSY.
Replace the main PCB ASSY.
Cause
Reconnect the LCD PCB harness.
Replace the control panel ASSY.
Replace the main PCB ASSY.
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LCD
Solution
LCD
Solution
LCD
Solution
LCD
Solution
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