Patent ID: 8625169

Claim:
An apparatus comprising: a reading unit configured to read an image of a document set on a reading surface; a pressing plate capable of opening relative to the reading surface; and an operation device provided on an upper surface of the pressing plate, wherein the operation device includes: a cover; a plurality of touch switches provided at different locations of the cover, each touch switch including an electrode configured to detect a capacitance, wherein on the cover, a transparent graphic portion is formed at a location of each of the plurality of touch switches; and a substrate on which a plurality of the electrodes and a plurality of light sources of backlights are mounted, wherein the operation device has a laminated structure in which the cover, a first elastic sheet having translucency, a light guide element group provided corresponding to the plurality of touch switches, a second elastic sheet, and the substrate are laminated together, and wherein at least the second elastic sheet is not divided and is common to the plurality of electrodes.