| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem that in the case where a drive source for driving a developing device is disposed between a door for attaching or detaching the developing device and the developing device, operability decreases in the attachment and detachment of the developing device. <P>SOLUTION: At least one of driving motors that drive the developing devices independently of each other is provided on the door used for attaching and detaching the developing device. The driving motor provided on the door is provided with an electrical contact portion that can be electrically connected to or disconnected from an electrical circuit on the apparatus body side. <P>COPYRIGHT: (C)2011,JPO&INPIT |
