Laser printing traces its history to efforts by Gary Starkweather at Xerox in 1969, which resulted in a commercial system called the Xerox 9700.
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At about the same time, Jonathan Seybold (John W's son) introduced Paul Brainerd to Apple, where he learned of Apple's laser printer efforts and saw the potential for a new program using the Mac's GUI to produce PostScript output for the new printer.
He also played a key role in the production of the LaserWriter printer, AppleTalk Remote Access, AppleShare file server and the Apple Internet Router.
The Color LaserWriter is a line of PostScript four-color laser printers manufactured by Apple Computer in the mid-nineties and compatible with PCs and its own Macintosh line of computers; by the use of an 10baseT Ethernet port it was also able to connect to large networks.