Epson Stylus Pro 4000 Reference Manual page 178

Making Pages Per Sheet settings
Select Pages Per Sheet as the Multi-Page setting to print two or
four pages of your document on one sheet of paper.
When Pages Per Sheet is selected, you can make the following
settings:
2 Pages
4 Pages
Page Order
Print page frames
178
Printing with Mac OS 8.6 to 9.x
Prints two or four pages of your document on a
single piece of paper.
Allows you to specify the order in which the
pages will be printed on the sheet of paper.
Prints frames around the pages printed on each
sheet.