Epson Stylus Pro 10600 Reference Manual page 158

Note:
While many Macintosh applications override the settings made in the
printer driver, some do not, so you must verify the settings to get the
results you expect.
1. Choose Page Setup from the File menu. This brings up the
Page Setup dialog box shown below.
Page Setup dialog box
2. Select the paper size you loaded in the printer from the Paper
Size list.
3. Select the type of paper you loaded in the printer from the
Paper Source list.
4. Make settings for Orientation and Reduce or Enlarge as
required.
5. When roll paper is used, set the "Roll Paper Option" as
required.
6. After making your settings, click the OK button to close the
Page Setup dialog box.
Note:
You cannot print from the Page Setup dialog box. You can only print
from the Print dialog box.
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