The invention relates to a digital printer for printing on separate pages of media, the printer including:. The box is lined with a plastic bag to protect the pickled products and pickling solution from contaminants, and to prevent the pickling solution from leaking. The paper-like forms server comprises a central scheduler and a logging module. The forceps unit is further provided with a liquid feed channel that is placed inside the flexible sheath in parallel with the operating wire. When the stop target lens reaches a complete stop processing start position, the motor driver is controlled to stop the stop target lens at the stop target position.