Since the Sixties Bruno Munari used a Xerox machine to make original works of art moving images while they were being copied, forcing the machine to create the exact opposite of what it was invented for.
Plus and Minus
Plus and Minus by Bruno Munari - wonderfully inventive and imaginative visual game! | moonpicnic.com
Bruno Munari's Original Xerographies ca. 1977.
Bruno Munari's Original Xerographies ca. 1969.
Visual Games by Bruno Munari for Danese
Visual Games by Bruno Munari for Danese, ca. 1968
Bruno Munari, esempi di textures | Flickr Photo Sharing! in Typography/pattern
Bruno Munari, Negativo-positivo, 1995. Oil on canvas.