Samsung SF-555P - Manual (Page 118)

4.25 Printing
4. In the Edit Overlays window, click Create Overlay.
5. In the Create Overlay window, type a name of up to eight characters
in the File name box. Select the destination path, if necessary. (The
default is C:\Formover).
6. Click Save. You will see the name in Overlay List.
7. Click OK or Yes until you complete creating.
The file is not printed out. Instead it will be stored on your computer
HDD disk.
Note: The overlay document size must be the same as
documents you will print with the overlay. Do not create an
overlay with a watermark.