I know it's been a while, but if someone is still looking for the answer, here it is. I know I've been looking for a year and a half. I knew it had to be an Apple issue because it showed up after an OS update. The following thread is where I finally found the answer. Pretty much, you can go straight to the last page, the last post. Basically, you need to update to 10.10.3. I am in the middle of downloading it now. Good luck.
Print out size lost control after upgrade to os... | Apple Support Communities