An equalizing and error correcting section includes an equalizing section, an error processing sections, and a select section. At least one master unit communicates with the MIMO base station. In this manner, the sheet held on the waiting tray is directly held on a storage tray without being held on a processing tray. In addition, temperature stabilizers and stiffening agents such as waxes and other inorganic fillers including silica and clays may also be added during manufacture as required. An actuating device is provided which is displaceable on the housing between a first position in which the tool spindle is released and the protective hood is locked against rotation and a second position in which the tool spindle is locked against rotation and the protective hood can be adjusted in the angular position thereof on the housing. The points of contact on the drawer may be angled andor curved such that the force exerted by the protrusions directs the drawer horizontally and, if desired, downwardly towards an operating position.