Samsung ML-3750ND User Manual page 147

Macintosh printing
If you print more than 2 copies, the first copy and the second
copy might print on the same sheet of paper. Avoid printing
on both sides of paper when you are printing more than 1
copy.
7
Using help
Click the question mark on the bottom-left corner of the window and
click on the topic you want to know about. A pop-up window
appears with information about that option's feature, which is
provided from the driver.
4. Special features 52