Using the Printer Software for Macintosh 5-19
5. When you want to print the document, double-click the file 
to open EPSON Monitor3, make sure that the correct 
document is selected, then click the   Resume button to send 
the data to the printer.
Making settings in the Page Setup dialog box
In the Page Setup dialog box, you can change the paper size, 
specify the paper orientation, print on both sides of the paper, 
rotate your document by 180 degrees, reduce or enlarge your 
printout, and adjust the printable area.
Choose Page Setup from the File menu of your application. The 
Page Setup dialog box appears.