An image reading apparatus includes a reading unit, a conveyance unit, a carriage, a motor, a motor gear, a conveyance gear, a carriage gear, a switching gear, and a control device. The conveyance unit is configured to convey a document from a document tray. The switching gear is configured to be placed in either one of a first position where the motor gear is communicated with the conveyance gear and a second position where the motor gear is communicated with the carriage gear. The control device is configured to: control the motor to rotate the motor gear in a first direction to have the switching gear free from the conveyance gear in response to a determination that the document jam has occurred; and control the motor to rotate the motor gear in a second direction to have the switching gear communicate with the conveyance gear.