What is Daisy wheel impact printer

Daisy-wheel impact printers can be used to achieve quality in typewriters. It is called a daisy-wheel printer because its printing mechanism resembles a daisy; A fully formed character at the end of each "petal" forms a solid line print. A hammer strikes a "petal" with a ribbon along a character, and it prints on the paper. Its speed is usually around 25-55 characters per second.