Printing paychecks from QuickBooks is a really simple process. Most late model printers are compatible with pre-printed checks. If you purchased the checks from Deluxe, you can look up the form number and it will give you a list of printer compatibility. Initially you may need to adjust your check alignment. Here are the instructions.
Here is a link with more information Align checks for QBO
Please let me know if you have any additional questions about printing paychecks or anything else. I’m here and happy to help.