To provide a heat developing device capable of preventing development unevenness on a heat-developed recording material and securely maintain the temperature of a heat development section within a designated temperature range.
The heat developing device of the present invention is a heat developing device which heat-develops the heat-developed recording material where a latent image is formed by the heat development section, and the heat development section includes a plurality of processing portions set within mutually different temperature ranges in the conveying direction of the heat-developed recording material, and partition wall portions having openings through which the heat-developed recording material passes between the plurality of processing portions, and is provided with shield members shielding the openings.
TORISAWA NOBUYUKI
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu