The machine will begin printing the test print page.
Brother printer touch screen blank.
Press the or the to adjust the screen until you can see it.
The touch screen lcd will display a numerical alphabetical or machine function chart.
If the machine s display is blank go to step 2.
These robust reliable high speed scanners can facilitate digital transformation and easily integrate into your work environment.
When the brother machine is idle for a certain period of time it enters sleep mode.
Turn off the sewing machine.
Verify the machine is powered on.
In such a case perform the following operation.
In sleep mode the machine acts as though it is turned off and its lcd will be blank.
Repeat this procedure until ok is displayed on the lcd.
Turn the power on while pressing any of the display panel buttons.
The printer has a one year limited on site warranty.
Continue to step 8.
Verify the machine is powered on.
Follow the steps below if the display is blank on the lcd screen.
But in this case the lcd screen is blank and showing nothing so i can not set to any wifi id at all.
The brightness of the lcd is either too light or too dark.
If the printer is in warranty call brother customer service at 1 877 brother 1 877 276 8437 for warranty options.
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 example below is the numerical chart.
Press and hold the blank rectangle displayed under 3.
If the lcd displayed the message error the screen will automatically return to display the 5 numbered dots.
Due to the design of the control panel display looking at display from certain angles can cause the display to appear blank or light.
The machine has an on off switch located on the right side of the brother machine.
When the small circle o on the switch is pressed the brother machine will be off.
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.
Brother printer mfc 6490cw.
The brother machine has an on off button located on the top left side of the machine above the button labeled wifi.
If the page prints the issue has been resolved.
Verify the brother machine s power switch is in the on position.
Go back to step 6 and try again.
If the lcd displayed the message ok the screen will automatically return to maintenance and then your home screen.
When the screen is blank but power led light is on this is a sign the firmware has been corrupted.
If the problem continues go to step 4.