The print preview toolbar offers you the following options:

Print
Brings up the print dialog box, to start a print job.

Next Page
Previews the next printed page.

Prev Page
Previews the previous printed page.

One Page / Two Page
Previews one or two printed pages at a time.

Zoom In
Takes a closer look at the printed page.

Zoom Out
Takes a larger look at the printed page.

Close
Returns from the print preview to the editing window.