The Paper
Setting Alert warns you when the paper settings do not match the
paper you loaded. You can turn off this feature from the product's
control panel.
From the home screen, select Menu and press the OK
button.
Press the arrow buttons to select Printer Setup and press the OK button. You
see this screen:
Select Paper Source
Settings and press the OK button.
Press the arrow buttons to select Paper Setting Alert and press the
OK
button.