A fixture structure is disclosed that is able to independently adjust relative positions of constituent components in different directions and able to reduce workload of the relative position adjustment. The generator generates recognition information for recognizing the virtual PCIBOX as a PCIBOX that is connected with a slot from the configuration information of the virtual PCIBOX. At least one pair of baffles deflects the flow of wastewater upon discharge. The control unit controls the communication apparatus in accordance with a command received by the communication unit. The recording medium supporting members and the idle rollers are located on common straight lines which extend in the direction of movement of the recording medium. When a blank area is enclosed by the designating frame, the main image data can be recorded on the memory card.