A machine tool for supporting and rotating a workpiece includes a first machine center supporting a first workpiece end of the workpiece. According to an embodiment of the present invention, a graphical user interface is provided that displays multimedia information that may be stored in a multimedia document. The frame may include a manifold system. Each nozzle arrangement includes nozzle chamber walls and a roof wall that define a nozzle chamber and an ink ejection port defined in the roof wall. The unregulated DC voltage is supplied to the communications device.