Hello, RTCM.

Thanks for chiming in. I'll work with you to fix the problem when printing copies for the invoices. 

Have you tried setting the number of copies to one instead of two when printing invoices? If not, here's how you can set it:

1. Click the File menu, then choose Print Forms.
2. Select Invoices. 
3. Check the invoices you want to print (ensure you checked the Print later option in the invoice screen before doing this). 
4. Click OK. 
5. Set the Number of copies box to your preferred quantity. 
6. Once done, click Print. 

If it still defaults back to two pages or if you've already set it, let's run the PDF Repair tool from the Tool Hub to fix this. You can follow this article for the steps to download and run it: Fix common problems and errors with the QuickBooks Desktop Tool Hub.

Another thing to do is to rename the Qbprint.qbp file. This contains the preferences for printing your forms.

 As what MarsStephanieL pointed out, you might also want to check your printer settings to see if it prints a number of copies. Change the settings to fix this. 

You can browse our articles from our QuickBooks Desktop Help topics page if you need assistance. They contain guides, details and important pointers for a certain feature or task. 

I'm more than happy to lend a hand again if you have other questions regarding the Desktop platform.