For the machine, it can print the milk and coffee and pizza use the edible ink. We will send you the CD, inside of it, there is a install drive, you can install the software on your computer. Then use the USB line contact your computer and the coffee printer. Besides , you can use the phone QR the scan ,send the picture to the computer ,then print it . If you plan to open a tea shop , it is very nice. By the brief interaction , the customer can increase the satisfaction with service.