Patent ID: 8660455

Claim:
An image formation apparatus comprising: an image formation unit configured to form a developer image; an image transfer unit configured to transfer the developer image from the image formation unit to a recording medium; a fixation unit having a heater to fix the developer image to the recording medium; a duct provided between the image formation unit and the fixation unit, the duct comprising a first circumference section made of heat conductive material and a second circumference section made of heat insulation material; and a fan configured to flow air through the duct, wherein the duct includes a first side facing the image formation unit, a second side facing the fixation unit, a third side connecting one end of the first side and one end of the second side, and a fourth side connecting the other end of the first side and the other end of the second side and being shorter than the third side, and the fourth side comprises the second circumference section.