Selecting a Print Style Option
Simplex - select this option if you want to print as a one-sided document.
Duplex (Duplex-No tumble) - select this option if you want to print double-sided, along the long edge of the paper. This is for the Portrait layout
Tumble (Duplex -Tumble) - select this option if you want to print double-sided along the short edge of the paper. This is for Landscape layout.