Samsung All in One Printer Use Manual page 27

Copy Options
Copying Posters
You can copy a single-page document onto multiple sheets of paper for the
purpose of pasting the sheets together to form one big-size document. This
is useful when making large poster.
Copy button > Menu > Copy Feature >
P rinter's control panel >
Layout > Poster Copy
This feature is available only when you place the original document
on the scanner glass.
Background Removing
This copy feature removes the background color and can be helpful when
copying an original containing heavy color in the background, such as a
newspaper or a catalog. Reduce your toner usage with this feature.
Copy button > Menu > Copy Feature >
P rinter's control panel >
Adjust Bkgd.
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Copy