An inspecting apparatus for inspecting print images printed on a transparent printing medium. The apparatus includes a first transport roller for transporting the transparent printing medium; a second transport roller spaced from the first transport roller, and disposed downstream in a transport direction, for transporting the transparent printing medium; a photographing device for photographing the print images located in an inspection area; and a light emitting device for emitting light for photographing the print images located in the inspection area. The first transport roller and second transport roller have outer circumferential surfaces thereof each with a light absorbing member for absorbing the light from the light emitting device.