Patent ID: 7236716

Claim:
An image formation device at which a fixing apparatus that heats and pressurizes a recording medium, which bears a toner image, for fixing the toner image is disposed inside a housing of a printer main body and is configured in a fanless ventilation structure, the image formation device comprising: a fixing unit mounting portion, which is structured at an inner side of a corner portion along one side of an upper portion of the housing, the fixing unit mounting portion being surrounded by a partition wall and a heat-shielding member, which is oriented so as to extend 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 other equipment inside the housing; a cover member for covering the fixing unit mounting portion, the cover member structuring an exterior form corresponding to the corner portion along the one side of the upper portion of the housing; a ventilation portion which includes ventilation apertures formed through at least an upper portion and a lower portion of the cover member to span ranges which respectively correspond to a whole length of fixing apparatus in a length direction thereof; and a conveyance portion for the recording medium, which is provided in a vicinity of a conveyance path-facilitating portion, which is a portion of one side of the heat-shielding member.