Samsung All in One Printer - Manual (Page 28)

28 Copy
Copying on Both Sides of Paper
You can set the machine to print copies on both sides of paper.
Printer’s control panel > Copy button > Menu > Copy Feature >
Duplex > Select an option
Copy Options
A
B
A
B
A
B
A
B
<1 -> 2-side > <2 -> 2-side >