An image forming apparatus includes: an image forming apparatus main body; a cover provided openably/closably with respect to the image forming apparatus main body; a conveyance passage, formed in the image forming apparatus main body, on which a recording medium is conveyed; a detection device that detects movement of the recording medium conveyed on the conveyance passage; a first recording medium guide member provided oppositely to the moving member and fixed when the cover is closed; and a second recording medium guide member, provided on a downstream side of and following the first recording medium guide member in a recording medium conveyance direction, that movably guides the conveyed recording medium.