Swinging open the upstream-side cover part (31) and downstream-side cover part (32) of the check scanning apparatus (1) on a common support pivot (33) opens a U-shaped check transportation path (5). The check transportation path (5) can be opened with a simple single-action operation to remove checks (4) jammed in the check transportation path (5) and for maintenance of the magnetic head (84) and contact image sensors (82 and 83). When the task is completed, the open check transportation path (5) can also be returned to the original closed position by a simple single-action operation. If only those parts that require maintenance are exposed when the check transportation path is open, tasks that require opening the transportation path can be done without damaging other parts and without soiling the operator's fingers.