Hi Rhino,

You can use the Layout to define the paper size and print from there
However, I'd suggest the use of a PDF converter (there are many free programs in the web) or the the use of the DWF converter
You can learn more about the use of these free printing resources with my tutorials
http://www.punchhelpers.com/pdfprint.html
http://www.punchhelpers.com/dwffiles.html

You can set the paper and using the Preview feature you will verify if the plan fits

Regarding the DWG export feature, I'd suggest to verify the Autocad parameters because the scale of the exported files is exact for all the programs V6 and up.
The texts exported from Punch don't work well in CAD. I'd suggest to work without the OSnap to optimize them

Hope this helps

Patricia