An image formation device is provided, at which a fixing apparatus is disposed inside a housing of a printer main body, and which is configured in a fanless ventilation structure. This image formation device is provided with: a fixing unit mounting portion positioned at an upper portion of the housing, and surrounded by a partition wall and a heat-shielding member extending from a side face of the partition wall, the fixing apparatus being placed on the heat-shielding member, and the fixing unit mounting portion being isolated such that hot air will not flow to equipment inside the housing; a cover member for covering the fixing unit mounting portion; a ventilation portion which includes ventilation apertures formed through the cover member; and a conveyance portion for the recording medium.