Video 1  shows different shape different size based chocolates printed with different designs at one time by food printer machine.
Video 2  shows a full design was printed on several chocolates together by food printer machine.

The inkjet chocolate food printer machine is a device that uses food-safe inkjet technology to print edible designs onto chocolates. The device works by printing a design directly onto the chocolates using edible food-safe ink. The device can be used to create unique and creative designs on chocolate, allowing users to personalize their desserts. The machine is a great tool for bakeries, restaurants, and catering companies who want to create unique and eye-catching desserts. This machine also allows users to create unique and customized designs on other food items, making them perfect for special occasions or gifts.

More info. of chocolate printing, please check the link.