| 摘要 |
The image forming apparatus has fixing device for heat-fixing an unfixed image on a recording material, a shutter movable to a first position for covering the fixing device and a second position retracting from the first position, and an opening and closing member that is openable and closable with respect to an image forming apparatus main body. In the image forming apparatus, the shutter has a plurality of holes, the shutter exists at the first position when the opening and closing member is open, the shutter exists at the second position when the opening and closing member is closed, and a size of the hole on the opening and closing member side of the shutter is smaller than a size of the hole on an opposite side of the opening and closing member.
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