A media storage is adapted to store a plate-shaped medium. A media drive is operable to write data in the medium. A label printer is operable to print on the medium. A media conveyer is operable to convey the medium between the media storage, the media drive and the label printer. A casing defines an interior space of the media processor. A plate-shaped frame divides the interior space into a first space located in a rear upper portion of the interior space, a second space located in a rear lower portion of the interior space and a front space located in a front portion of the interior space. The media drive is disposed in the first space. The label printer is disposed in the second space. The media storage and the media conveyer are disposed in the front space.