laser printer

(Newser) - The growing popularity of laser printers has privacy watchdogs worried, USA Today reports. Many such printers have a feature, designed to foil currency counterfeiters, that puts a signature of microscopic dots on each page. In the US, only the Secret Service can decode the information, but there are concerns the...

(Newser) - Working near a laser printer might be as bad for you as second-hand smoke, according to a new study. Some major brands of printers emit particles of toner that can damage the lungs of people nearby—and even light concentrations can potentially cause heart and lung diseases.