摘要 |
An image forming apparatus in accordance with the present invention can include a conveying device capable of conveying a recording medium, a support shaft which capable of being movably supported between a medium sensing position near a conveyance path along which the conveying device conveys the recording medium and a retracting position kept away from the medium sensing position, wherein the support shaft is biased to the medium sensing position, a medium sensing member connected to the support shaft and is capable of rotating between a standby position wherein a portion of the support shaft is inside the conveyance path and a detection position wherein a portion of the support shaft is removed from the conveyance path by the recording medium passing along the conveyance path when the support shaft is in the medium sensing position, and a rotation detection device capable of detecting a rotary displacement of the medium sensing member.
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