Lexmark X548 Series User Manual page 18

Sample touch screen
Touch To
Submit Submit changes made in the printer settings.
Sample Copy Print a sample copy.
Right arrow Scroll to the right.
Left arrow Scroll to the left.
Home Return to the home screen.
Right increase Select a higher value.
Left decrease Select a lower value.
Exit Exit from the current screen.
Tips Open a context-sensitive Help dialog on the touch screen.
Understanding the home screen
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