Printer jams occur when the paper feeding through the printer goes awry. Sometimes the printer ignores the problem, soldiers onward, and extrudes a crumpled mess into the output tray; on other ...

There are few things as frustrating as a paper jam. Unfortunately, it’s all too common for paper jams to happen when you rush to print labels for express shipments or need hard copies for a meeting.

Building 111 on the Xerox engineering campus, near Rochester, New York, is vast and labyrinthine. On the social-media site Foursquare, one visitor writes that it’s “like Hotel California.” Conference ...