The programmer has been shown to be clueless, well maybe he has a valid reason for using outdated Apache, but to me it smells like... no he doesn't. With that level of professionalism, what other rot is there?
Just like the legendary brown M&Ms, it might be an indicator of worse stuff.
Just pushed a fix for this. It’s mostly designed for desktop right now, so the experience might still be a bit rough on mobile, but appreciate you catching that!
Make sure when you hit print it actually says “black and white” and not color. If that doesn’t work just pull out the yellow and put it back in. It’s usually enough to print the page. Good luck