This is a black or white fax machine, which uses scanning and photoelectric technology to convert documents or other images into electrical signals, which are then transmitted to the other side. On the left of the device is a microphone, on the right is the keyboard, display screen and paper tray. It was very popular in the 1980s and 1990s, and many organizations and individuals still use fax machines. Be careful not to be confused with the
π¨ (printer).