To print a diagram, click the tab of the editor from which you want to print, then select File->Print. Select the desired printer and any other print options and click Print.
Viewing page breaks
Since models may be too large to print on one sheet of paper, you may want to preview where page breaks will occur. To do so, select View->Page Boundaries. Dark black lines will define the page breaks. You can also view page breaks by zooming out (View->Zoom Out) and viewing the page at less than 100%.

To change the way the diagram will print, adjust the margins by setting the page preferences, or resize the diagram.
Setting default page preferences
Print defaults are set through the Windows->Preferences command; select Page Setup. You can set the default page size, margins, and orientation.

Resizing a diagram
To select an entire diagram and
resize it, select Marquee
from the Palette and drag the mouse around the
objects you want to select. Only objects encompassed by the Marquee will be
selected. To move the objects, make sure the cursor is a four-headed arrow
, then drag
the diagram to where you want it. Individual objects or
groups of objects can be resized and moved.