A printing method and a printing system are provided in which a fast printing speed is achieved, a variety of ultraviolet curable inks can be used, and excellent transfer properties to a printing object can be achieved. The thermally assisted magnetic head includes a base layer which a base groove part having a width gradually getting smaller along a depth direction and extending in an intersecting direction intersecting with the medium-opposing surface is formed. Introduction of the polymer into the solvent solution creates formation of a polymer-rich phase and a solute-rich phase. The seal assembly comprises a clamp seal and a bleed back seal, both made of elastomer and held by a seal holder. The control unit judges the type of connected forceps by referencing data stored in advance in a memory using information of the type of forceps received from the coagulatingincising forceps, and controls power feed to the heating elements.