You can print an invoice through a browser. However, the option to print it from your mobile app is not yet possible. While we're working on adding more feature improvements in QuickBooks Online, you may consider performing a few alternatives below:
Here's how to print invoices using a browser:
Log in to your account.
Go to Sales and choose Invoices.
Locate the invoice.
Select the drop-down arrow in the Actions column and choose Print or Preview.