One way to make sure stuff on your website doesn't print oddly is to PDF it. Of course, that has other problems, not least of which that it can really screw with your SEO. You know what's easier? Print Friendly. It's a great utility you can add to your site to allow things that otherwise might print oddly to, well, not.
How does it work?
Simple! And saves trees! And printer ink! And irritation!