| 摘要 |
<P>PROBLEM TO BE SOLVED: To restrict rise of temperature in a developer tank for storing developer. <P>SOLUTION: A development apparatus includes: a developer tank for storing developer including a toner and a magnetic carrier; a toner supply port for supplying the developer tank with the toner; an agitation member provided in the developer tank so as to be rotationally-driven for agitating and delivering the supplied toner and the developer in the developer tank; a development roller for supplying the delivered developer to a surface of a photosensitive drum; a metal plate arranged as contacting with an external surface of the developer tank; and a heat exchange film formed on a surface of the metal plate. <P>COPYRIGHT: (C)2012,JPO&INPIT |
