The invention concerns a method for analyzing a sample of a complex molecule relatively to a reference batch of the same complex molecule. Various configurations of light emitting semiconductor chips and heat sinks are disclosed, as well as various structures and methods for driving, controlling and using them. The printer also has a print engine configured to print an image corresponding to the bitmap. This may be useful because some circuits such as processors can require higher or lower voltage than other processors that are sought to be coupled together. This mechanism operates in such a way that during tilting, the outlet of the crucible is maintained on the vertical axis so that the molten material pours from the outlet on the vertical axis. The data directives may also be used to convert rectangular data into a tagged data format.