From the Reflection button, choose Print > Page Setup.
The options are:
Select the size of the paper or envelope you want to use.
Choose the tray where the paper you want to use is located in the printer. Different printer models support different paper sources.
Choose how the document is positioned on the page. The Page Preview at the top of the dialog box shows an example of the currently selected orientation.
Use the settings in this group box to set the printing area for the page. Reflection will not print outside the boundaries you specify. The Page Preview at the top of the dialog box shows an example of the currently selected margins.
Open the Page Options dialog box, from which you can set the font to use for printed output, and specify the number of rows and columns to appear on the page.