Brother MFC-J6710DW LCD

J

jmonter2010

Joined
Sep 15, 2025
Messages
1
Does anyone know a way to fix the LCD only displaying white? The printer was having issues printing so I took it apart and did some maintenance. While putting it back together the flat cable for the LCD got damaged. I have replaced the flat cable, replaced the LCD with two others but it seems to be the main board. Do any of you have the electrical schematics for this printer to troubleshoot? p.s. the firmware is up to date.
 
davidparker

davidparker

Joined
Mar 4, 2024
Messages
60
Sounds like the main board might be shot if you've already swapped the LCD and cable. I'd try checking the connections on the board itself, sometimes a loose solder joint can cause that. If you’re comfortable with it, you could try reflowing the solder on the LCD connector pins. Otherwise, you might need to replace the board if you’ve ruled everything else out. Good luck!
 

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