| 摘要 |
A fixing apparatus for fixing an image formed on a recording material, the fixing device includes a guiding member for guiding movement of the recording material, provided in a recording material passing opening of the apparatus; a rib projecting from a recording material passing surface of the guiding member, for being contacted by the recording material; a shutter provided at a position opposing the guiding member and movable between a position for opening the passing opening and a position closing the passing opening, and a projection provided at a position of the shutter opposing a position of the guiding member not having the rib with respect to a direction perpendicular to a recording material feeding direction, wherein when the shutter takes the closing position, a clearance between the rib and the shutter is larger than a clearance between the guiding member and the projection.
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