Its a known issue, they cant figure out why its happening, so they don't know how to fix it.   Some people have it happen more or worse than  others, some people have not had the problem at all.

I find that when I uninstalled all the business modules, and only had the 1040s and states installed, I had no print/crash issues...as soon as I reinstalled a few of the business returns (1041 and 1065), it came back.

When my system starts doing this, I reboot the entire computer and can get a few more hours before it starts again.

Ive also opted for printing to PDF, then opening the PDF file outside of the tax program and printing from there...this is quicker than having to reboot the entire system if I only need the signature pages while a client is sitting here.