The invention relates to an analysis apparatus with an analysis device for analyzing body fluids, and a magazine for test elements with a fresh supply container and a transfer unit that comprises a transfer element. The method includes the following steps. The decomposition products produced are directed through an exit venturi. The intercooler bypass tube is connected to the intermediate refrigerant tube so as to bypass the intercooler. Thus, the object having a curved shape can be detected and picked up in a reasonably short period of time.