THE MOST STARTLING SIGHT the viewer encounters in “The Way to Be,” Barbara T. Smith’s retrospective at the Getty Center in Los Angeles, is a hulking Xerox 914 copy machine, looking impossibly new despite its obvious 1960s vintage. Designed to revolutionize the modern office, the 914 became an unlikely tool for artistic production and personal revolution when Smith leased one in 1966, plopping it in the living room of her conventional middle-class home in Pasadena, California. Smith was surely among the first artists to explore the possibilities of this technology, if not the first; the work she