http://www.perlmonks.org?node_id=920858


in reply to Re^2: PDF::API2 page setup
in thread PDF::API2 page setup

It might also help to set the trimbox as well.

To quote PDF page boxes:

"The TrimBox defines the intended dimensions of the finished page. Contrary to the CropBox, the TrimBox is very important because it defines the actual page size."