Impact printers, whether they use dot-matrix technology that uses small pins or daisy-wheel technology that uses a wheel with pre-formed characters like a typewriter, all work by having an element ...

Dot matrix printers rely on a printhead in which a grid of 9 or 24 pins forms combinations to produce text, box-drawing characters and symbols made up of closely spaced dots. These devices superseded ...

A printer that uses hammers and a ribbon to form images from dots. Used to print multipart forms and address labels, the tractor and sprocket mechanism in these devices handles thicker media better ...