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 These devices superseded ...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, ...

In an excerpt from his book The Chinese Computer: A Global History of the Information Age, [Thomas Mullaney] explains how 1980s computer tech — at least the stuff that was developed in the West — was ...