The Page Setup dialog box settings determine the number of sheets of paper (pages) required to print the entire drawing on the selected printer. It is also used to specify whether to display the gray box representing the print area for design layers, and whether to display page breaks in the drawing file.
To change the page setup settings:
Select File > Page Setup.
The Page Setup dialog box opens.
Click to show/hide the parameters.
Specify the page setup options, and click OK.