I had some problems with exporting and printing to a pdf file.
I was missing some color segments. Rhaven and R-F helped me to fix it.
The problem good be that the pdf-exporter from inkscape doesn't correctly.
So to solve this problem you can download PDFill.
Download PDFill Free PDF Editor Basic for Windows to . PDFill Free PDF Editor Basic has had 2 updates.
download.cnet.com
After installing you can find PDFill in the inkscape printer menu.