1 If you have a fingerprint device installed, you can swipe a credit card – and using the signature screen – you can add the customer’s fingerprint to the invoice.
2 Click on the fingerprint logo on the top-right of the signature screen (signature screen will appear after swiping the credit card).
3 Record the customer’s fingerprint with the fingerprint device.
4 You may print the fingerprint image by going to the Manager screen, choosing “Accounting”, then “Payments” and then click “Print Fingerprint.”