Hello there, @Derolf.
I'm here to help share information about printing sales tax payment in QuickBooks Online (QBO).
As of now, there isn't an availability to print a sales tax check in QBO, you can only print the sales tax payment snapshot. To print the sales tax payment snapshot in the new sales tax center:
As a workaround, to print a sales tax check, you can create/write a check to print your payment. Once done printing, you can just delete the check created.
On the other hand, to learn more about sales tax payments, you may check this article: Manage sales tax payments.
I'll be always here to help you if you have any other sales tax concerns, just add a comment below. Have a great day ahead!