Change the Duplex Printing Options on a Mac
On the Print dialog window, select the third pull down menu and change Copies & Pages to Layout.
![Print dialog window. Highlighted - Layout.](https://its.uiowa.edu/sites/its.uiowa.edu/files/styles/large/public/wysiwyg_uploads/mac1_0.jpg?itok=3OExu3rU)
The Layout dialog box will give you the option of turning duplex printing off. It will also allow you to choose the orientation of the duplex printing. Long-edged binding (default) is appropriate for most printed jobs. Short-edged binding however may be desired for documents printed in the landscape (across long edge of paper) orientation.
![layout dialog box. Print button highlighted.](https://its.uiowa.edu/sites/its.uiowa.edu/files/styles/large/public/wysiwyg_uploads/mac2_0_0.jpg?itok=0Sb4Yj7N)
These setting changes will remain for the duration of your session.