The Print Check button allows you to print a check to present to the customer.
Click on the order that needs a check printed.
The order will become highlighted in green and it will appear in the window on the right.
Click the Print Check button.
A box will pop up asking you if you are sure.
This is to prevent checks from being printed by mistake if you accidentally hit the button.
To avoid this prompt, you can click and hold the Print Check button.
If the check was previously printed, the button becomes Reprint Check