In order to do this you will need the job rights for View Employees and Edit Employees.
- Setup -> Employees
- Choose desired employee.
- Go to Access Code and make sure to delete any existing numbers. After deleting it should show 0000 like the image below.
- At this time you swipe the card you'll have the employee be using. The numbers should have changed from 0000.
- Click save to save all changes.