Dot printer, also known as a dot matrix printer, is an older type of printer that uses tiny dots to create images and text on paper. Some synonyms for dot printer include impact printer, which refers to the way the printer creates the dots on the paper by physically striking the ribbon against it, and serial printer, which refers to the way the printer prints one line at a time. Other synonyms for dot printer include matrix printer, line printer, and character printer. Although dot printers are not as common as they once were, they are still used in certain industries where their durability and reliability are important factors.