The brother machine has an on off button located on the top left side of the machine above the button labeled wifi.
Brother printer touch screen blank.
If you press a key on the control panel the machine receives a fax or computer data or you make a copy the brother machine will wake up.
The brightness of the lcd is either too light or too dark.
Continue to step 8.
The printer has a one year limited on site warranty.
Verify the machine is powered on.
Turn off the sewing machine.
Due to the design of the control panel display looking at display from certain angles can cause the display to appear blank or light.
Press and hold the blank rectangle displayed under 3.
If the display is still blank try to tilt or move up or down the lcd display and also try a different known working electrical outlet at your location.
The brother workhorse series scanners are designed for mid to large sized workgroups or high volume and batch scanning applications.
Print page for approximately 2 seconds.
If the problem continues go to step 4.
My lcd screen is shown blank without any single word display on the screen it still can print if the printer network can be set to proper wifi id.
If the printer is in warranty call brother customer service at 1 877 brother 1 877 276 8437 for warranty options.
Verify the brother machine s power switch is in the on position.
The touch screen lcd will display a numerical alphabetical or machine function chart.
Repeat this procedure until ok is displayed on the lcd.
Turn the power on while pressing any of the display panel buttons.
In such a case perform the following operation.
Press the or the to adjust the screen until you can see it.
When finished press on the control panel.
When the small circle o on the switch is pressed the brother machine will be off.
If the page prints the issue has been resolved.
The example below is the numerical chart.
In sleep mode the machine acts as though it is turned off and its lcd will be blank.
If the lcd displayed the message error the screen will automatically return to display the 5 numbered dots.
When the brother machine is idle for a certain period of time it enters sleep mode.
Verify the machine is powered on.
The machine will begin printing the test print page.
Go back to step 6 and try again.
If the machine s display is blank go to step 2.
The machine has an on off switch located on the right side of the brother machine.
Brother printer mfc 6490cw.
If the lcd displayed the message ok the screen will automatically return to maintenance and then your home screen.
Please help me on how to fix this or where to.
When the screen is blank but power led light is on this is a sign the firmware has been corrupted.
