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 ...

You may want to think twice about printing this article. Many colour laser printers mark the pages they produce with tiny yellow dots that, according to technology watchdogs, can reveal information ...

Q: Is it true that color laser printers print invisible dots to ID the printer on every page? The leaked top-secret document that led to the arrest of government contractor Reality Winner has caused a ...

Dot matrix printers, also known as impact matrix devices, are an older kind of printer that relies on an ink-soaked ribbon similar to that used in a typewriter. These devices were the most common ...