Conveyance device and image forming device

An image forming device comprising:

• a conveyance device that conveys paper through a conveyance path along a surface thereof;
• an image-reading unit that reads an image recorded on the paper;
• and
• a printer unit that prints the read image onto recording paper different from the paper, wherein
• the conveyance device includes
• a conveyance guide including a guide surface to be a wall surface on one side of the conveyance path, an opening being formed in the guide surface,
• a paper detection unit at least including a detection member, which is arranged in a space that communicates with the conveyance path through the opening, and configured to detect, with the detection member, a leading end of the paper that reaches the opening, and
• a movable body that brings the detection member into a retracted state, in which a main part thereof is covered from the space, after the leading end of the paper is detected, and
• the image-reading unit reads an image, which is recorded on the paper, on a downstream side of the opening.