Your printer may not be set to the proper page size or orientation (i.e. Landscape instead of Portrait). On Mac to go File > Page Setup and make sure the page is set for Letter paper and the orientation is set to Portrait. For more information on page setup in Windows, click HERE.
IMPORTANT: Live technical support (phone, chat, email) for Final Draft 8 has been discontinued. You will still be able to find information and solutions in this knowledge base and in the FD8 User Guide.