MacOS High Sierra - Choose Advanced Print Settings
When you print a document, you use the Print dialog to set options that determine how your document is printed.
When the Print dialog appears, you see basic printing options—for example, which pages to print and whether to print double-sided. For more information, see Print documents.
To see more options, click Show Details. Depending on the app you’re using and the printer you select, you may see options for changing the paper size for a document, setting the default paper size, and more. If the instructions below are different from what you see in your app, check the documentation that came with the app for more information.