A mailing machine print head and carriage that use one or more systems or elements to latch the print head in a controlled location and to guide it into and out of that location in a manner that prevents debris from being transferred to the electrical connector contacts is provided. The methods discussed herein employ centrifugal forces to transform material into fibers. One appropriate end time may be when one wrestler wins the match. Subsequently, two or more opinions of the plurality of opinions may be determined, using a processor, to be corresponding to the organization based on presence of one or more identifiers associated with the organization in each of the two or more opinions. The invention also pertains to an ink set comprising the fixer fluid, and a printing method employing the ink set. The process can selectively apply different materials over portions of a dental article in one or more layers to achieve a multi-chromatic finish having a variety of colors, finishes, and surface properties that closely match the appearance and function of human dentition.