Daisy wheel printer is called letter-quality printers.

A daisy wheel printer has a removable printer wheel-the flower-like daisy wheel –consisting of spokes. Each spoke ends with a raised character. The wheel runs to align the desired letter with the next printing position, and a hammer strikes the spoke end. Daisy wheel printers produce clear and precise print images of text, which is why they are often called letter-quality printers. They are useful for important correspondence and reports and for printing onto three-copy carbon-type forms. 
Daisy wheel printer

However, they are slower at 10-75 characters per second and noisier than dot-matrix printers, and they can not produce graphics. Daisy wheel printers are no longer being manufactured because better and cheaper dot-matrix and laser printers have been introduced.

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