Fluidic self-assembly of active antenna. An electromechanical windage adjustment mechanism and an electromechanical elevation adjustment mechanism may be attached to the front rest or the base plate. The subsidiary transfer part andor the erasing part not only enhance the transfer efficiency andor an erasing efficiency by exposing the photosensitive drum uniformly to the light, but also can be manufactured at a low cost without requiring of a large establishment space to install the subsidiary transfer part in the image forming apparatus. In one embodiment, the data can be an extensible markup language schema having a plurality of elements.