1984<br /><br />ThinkJet <br /><br />Thermal inkjet technology developed at HP is introduced in a high-quality, low-price personal printer, the HP ThinkJet. The ThinkJet brings quiet, portable 96-dpi printing to desktop and portable PCs. With its far superior printing quality and inexpensive price, the ThinkJet spells the end to noisy dot-matrix printers.<br /><br />Inkjet technology research began at HP Labs in 1978. Although large, industrial inkjet-marking devices already existed, they weren't suitable for document printing needs. By miniaturizing the technology and offering it in the form of a personal printer, HP is able to offer better print quality than serial dot-matrix printing, quieter operation, extremely low power consumption and, eventually, high-quality, low-cost color. Today's HP inkjet printers continue to provide technological breakthroughs at ever decreasing prices.<br /><br />LaserJet <br /> <br />HP also introduces the HP LaserJet printerthe company's most successful single product. Able to print at 300 dpi (dots per inch), the LaserJet quickly becomes the world's most popular personal desktop laser printer.<br /><br />