Ink jet printheads; printers and parts thereof for domestic, business and commercial applications; printers and parts thereof for advertising, billboards, signs, signage, banners, posters, displays and graphics; ink jet devices, namely, printheads and micropumps, to be used for packaging and in the manufacture of electronic equipment, computers, computer monitors, computer displays, televisions, handheld devices; ink jet devices, namely, printheads and micropumps, for depositing conductive substances and electroluminescent substances; control devices, namely, printer, micropumps and printhead controllers, for operating, controlling, supporting, regulating, supplying, testing, evaluating and networking printing systems, printing processes, image data and image display; hardware and software for operating, controlling, supporting, regulating, supplying, testing, evaluating and networking printing systems, printing processes, image data and image display * ; all of the aforesaid goods being limited to materials deposition and printing *