Continue to step 8.
Brother printer touch screen broken.
Press and hold the home icon on the touch panel for 7 to 10 seconds until the display changes to show the serial rom version and pages printed.
If the lcd displayed the message error the screen will automatically return to display the 5 numbered dots.
The back light shows for a moment after i turn the printer on and all that appears in the display are solid vertical bars.
Press the fax icon on the lcd to display the led icons on the touch panel.
Repeat this procedure until ok is displayed on the lcd.
My brother mfc 7860dw has a broken lcd display.
Go back to step 6 and try again.
If the printer is in warranty call brother customer service at 1 877 brother 1 877 276 8437 for warranty options.
Brother printer mfc 6490cw.
The led icons on the touch panel will turn off when you press the home icon.
Touch panel is malfunctioning.
If the screen does not respond correctly when you touch a key the machine does not perform the operation or performs a different operation follow the steps below to make the proper adjustments.
Press panel control on the touch screen.
If the lcd displayed the message ok the screen will automatically return to maintenance and then your home screen.
It was at that point i noticed that the lcd screen is broken.
I looked at the copper cord without taking the machine apart and it appeared fine.
If the printer is out of warranty contact a brother authorized service center for repair by clicking on the link below.