Nice to have you in the Community, @njain5_iamtestpa. I'd be happy to show you how to print an invoice in QuickBooks Online.
You can print an Invoice with the following steps:
I've included some screenshots to serve as a visual example:
For additional information on this process, such as how to batch print, I recommend the following article: How to Email or Print an Invoice.
That's it. I'm sure you'll have the Invoice printed in no time.
Don't hesitate to post a comment below if you should have any questions or need anything. Hoping this response finds you with a smile.