I appreciate the steps you've done resolve this issue, 

Let's try to update your QuickBooks Desktop files to the latest release and ensure to get the critical fixes. Let me guide you how:

1.   Go to the Help menu.
2.   Click Update QuickBooks Desktop.
3.   Go to the Options tab and click Mark All, then Save.
4.   Tap the Update Now tab.
5.   Make sure Critical Fixes is checked.
6.   Then click Get Updates.

I'm also adding these links as your guide about the 1099 forms:

• Understand payment categories for the 1099-MISC and 1099-NEC
• Create and file 1099s with QuickBooks Desktop

Let me know if you're able to print the forms correctly. Keep safe!