As noted by the following statement on Epson's Web site: "Some printing features are not supported in Mac OS X, including custom paper sizes, banner printing, booklet printing, and watermarks.
Custom size paper selections can be created at the machine for copies but we will look at creating custom sizes in the print driver for print jobs. You can save the custom size to be used repeatedly.
If you’ve been looking for ways to conserve printer paper and ink, you’ve probably found obvious suggestions such as printing only when necessary or saving a PDF instead of making a printout. For ...