| 摘要 |
The present invention relates to animage forming apparatus which has an image bearing body, a transferring portion for transferring an unfixed image on the image bearing body onto a recording material while conveying the recording material, a fixing portion for fixing the unfixed image onto the recording material while conveying the recording material having the unfixed image transferred in the transferring portion, flexure detecting device for detecting flexure of the recording material between the transferring portion and the fixing portion, recording material detecting device for detecting presence/absence of the recording material on a downstream side of the fixing portion with respect to a conveying direction of the recording material, and control device for controlling a convey velocity of the recording material in the fixing portion on the basis of a time from the detection of the recording material detected by the recording material detecting device to the detection of the flexure of the recording material detected by the flexure detecting device.
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