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 These devices superseded ...

Before the 1980s, laser printers were expensive, high-volume units. At that time, dot matrix printers commanded the early PC desktop market for homes and businesses. Compact laser printers, introduced ...

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, ...

From giant cell phones to old motherboards, outdated technology holds great value for collectors like Jason Savitt. "The older it is, the harder it is to get it to work," Savitt says. In many cases, ...