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 These devices superseded ...

Until the 1990s, impact printers far outnumbered their inkjet and laser cousins. An impact printer strikes a molded letter, made of plastic or metal, against paper through an inked ribbon, producing a ...

Don't let a malfunctioning dot matrix printer give you fits. Learn some techniques for solving several common dot matrix printer problems and advice on finding increasingly scarce parts. These days, ...