Main Pcb Assy Eeprom Write Error; Lcd Disconnection Detected - Brother DCP-J4110DW Service Manual

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 EC

MACHINE ERROR EC

LCD disconnection detected.

Step
1 LCD flat cable 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 LCD flat cable.
Replace the control panel ASSY.
Replace the main PCB ASSY.
2-56
LCD
Solution
LCD
Solution
LCD
Solution
Confidential