You can print a job with a custom paper size.

1. Open Printing preferences. (See Open Printing preferences.)
2. Click the Media icon.
3. From the Paper size menu, select the custom paper size.
4. From the Paper source (or Input tray) menu, click the paper tray that contains the custom paper size for the job.

   The tray selection is valid for the current job only.

5. Specify the print settings as desired, and then print the document.