Hi there, sari2.
I'd be happy to help you fix the custom field issue in printing invoices.
You can print the invoice using a private browser. If this won't work, you can perform some browser troubleshooting steps to isolate this for a possible browser-related issue.
Please access your QuickBooks Online account through an incognito browser. Check the keyboard shortcuts below based on the browser you're using.
- Google Chrome: Ctrl + Shift +N
- Mozilla Firefox: Ctrl + Shift + P
- Safari: Command + Shift + N
If this works, it means that you need to clear your browser's cache to offload some data from your browser. This way, your browser would get optimized and we'll be able to permanently fix the issue. you can print the invoice using a private browser.
For future reference, you can check out this article to help you fix some printing issues: Fix QuickBooks Online printing issues on browsers for Windows
Please feel free to hit the Reply if you still need help in printing an invoice. Have a great day!