An image recording apparatus including: a recording portion; a tray on which a first recording medium is placed; a convey path for conveying a second recording medium and the tray; a tray guide changeable among (a) a first posture in which the tray guide supports the tray such that the tray can enter into the convey path, (b) a second posture whose position is different from that of the first posture in a direction intersecting the convey path, and the tray guide is located on a downstream side of the position of the first posture in a tray-enter direction, and (c) a third posture in which an upstream portion of the tray guide in the tray-enter direction is nearer to the convey path than that in the second posture; a first posture-change portion which changes the tray guide from the second to the third posture; and a second posture-change portion which changes the tray guide from the third to the first posture.