I am having the same problem. We are just starting to use direct deposit in 2024 Enterprise.  It keeps picking up random past paper paychecks and putting them in the "to be sent" window.  For now, since they are all zero's, we are just sending them, but it is annoying. I also think it takes extra time to go through the send process for real direct deposit paychecks because QB keeps taking the time to bring in 100 old paper checks. 

I am hoping when I call QB support, the payroll license key is the culprit!