A card printer is a machine that prints onto cards. It prints things like photos, names, and other information onto a plastic card, which is like a credit card. People often use card printers to create badges or ID cards. It prints the designs onto the card using ink or special toners. People can design their own cards or use pre-made templates. Card printers are used in a lot of businesses, like hospitals and schools, so that people can easily identify each other.