An image reader (A) includes a conductive case (1), a substrate (3) and a plurality of light receiving elements. The image reader (A) further includes a first electrode (10) formed at the case (1) and a second electrode (11) formed on the substrate (3). The case (1) is formed with an accommodation recess (1g), in which a conductive contact member (20) is provided. The conductive contact member (20) is held in contact with the first electrode (10) and the second electrode (11) to electrically connect the two electrodes to each other while separating the first electrode (10) and the second electrode (11) from each other.
