HEAD UNIT AND METHOD OF SETTING THE SAME; DRAWING SYSTEM; METHODS OF MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE, ORGANIC EL DEVICE, ELECTRON EMITTING DEVICE, PDP DEVICE, ELECTROPHORESIS DISPLAY DEVICE, COLOR FILTER, AND ORGANIC EL; AND METHODS OF FORMING SPACER, METAL WIRING, LENS, RESIST, AND LIGHT DIFFUSER

摘要

A head unit for carrying out operations for connecting and disconnecting cables and tubes to and from a plurality of functional liquid droplet ejection heads has a wiring connection assembly carried on a carriage and having a plurality of wiring connectors to be connected to main cables and a plurality of separate cables having one end thereof connected to the respective functional liquid droplet ejection heads and an opposite end thereof connected to the respective wiring connectors, and a piping connection assembly having a plurality of piping joints to be connected to main pipes and a plurality of separate pipes having one end thereof connected to respective functional liquid droplet ejection heads and opposite end thereof connected to respective piping joints.