| 摘要 |
PURPOSE: An image forming apparatus is provided to prevent an adjacent unit of a connection unit by connecting the connection unit and to enter a guide protrusion according to reaching a connection terminal. CONSTITUTION: At least one connection terminal (15a) is protruded toward a connection unit in an installation state of supplies and is contacted with the connection unit. A guide unit (15b) is arranged in the connection unit and prevents the connection terminal from connecting an adjacent unit. A guide groove (30a) is arranged on the other side of the connection unit. The guide groove is inserted to a guide protrusion.
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