Let's make sure to fix your merchant services receipt issues, StAngelo.

Sometimes, you'll encounter fatal errors when using QuickBooks Desktop. This usually happens if you'll experience incorrect data or even hardware issues due to the program not functioning correctly. We can fix this using the Verify and Rebuild Data Tool. This identifies and resolves the most commonly known data issues by automatically fixing your company data file or the program itself. 

However, if you're still unable to print and are still getting the same error, your antivirus may have been blocking the software. I recommend reaching out to an IT Guy and having them reconfigure your antivirus. QuickBooks may not have general permission in your antivirus settings. I've added this article to give you of an idea how the configuration of antivirus is being done: Set Up Firewall And Security Settings For QuickBooks Desktop.

Additionally, you may also experience any receipt printer issues, I have some of the troubleshooting steps in this article that you can try: Resolve Receipt Printer Issues And Cash Drawer Will Not Open.

Reach out to us if you have any additional concerns with your sales receipt. We're here to get you covered.