Thanks for coming to the Community for help, @ShirleyT.
If you're already setup for DD, you can void the printed ones and run payroll again. This time, make sure to place a checkmark on the box next to Use Direct Deposit when creating the paychecks.
Check out this screenshot for visual reference:
Before making these changes, I recommend backing up your data to avoid accidental data loss. Then, follow these steps:
For more information about the process, take a look at this article: Void a paycheck.
Once done, create and send direct deposit paychecks to your employees. Here’s an article to serve as your guide: Send payroll and direct deposit paychecks in QuickBooks Desktop Payroll.
Know that I'm only a couple of clicks away if you need anything else. Have a great day!