MFD stands for "Multi-Function Device," which refers to a piece of office equipment that combines several functions into one machine. Typically, MFDs can print, scan, copy, and sometimes fax documents, making them versatile tools for businesses and home offices. They help save space and reduce the need for multiple devices. These devices often connect to computers and networks, allowing users to manage tasks efficiently. Many modern MFDs also offer features like wireless connectivity and mobile printing, enhancing usability. Popular brands that manufacture MFDs include HP, Canon, and Brother.