US 2006/0133865 A1 · Image forming apparatus

Abstract

An image forming apparatus having an image forming unit, a fixing unit, a conveying unit including plural conveying paths, a cooling fan, an air duct including a first air-blowing outlet and a second air-blowing outlet for conducting air from the cooling fan to an interior of the apparatus, and an air flow changing member for opening or closing the first and second air-blowing outlets, wherein the recording sheet on the different conveying path is cooled by changing the air flow changing member. An image forming apparatus having, an image forming unit, a fixing unit, a conveying unit, a cooling fan for cooling the recording material on which the toner image is formed, and a restrict member for restricting a volume of drawing of air by the cooling fan.

Claims12

Dependent claims

An image forming apparatus comprising:

an image forming unit for transfer a toner image based on image information to a recording material;
a fixing unit for heating and fixing the toner image on the recoding material;
a conveying unit including plural conveying paths for convey the recording material to the image forming unit and discharging the recoding material on which the toner image is formed;
a controller for controlling the plural conveying paths so that the recoding sheet is conveyed by either conveying paths according to a recording material conveying mode;
a cooling fan;
an air duct including a first air-blowing outlet and a second air-blowing outlet for conducting air from the cooling fan to an interior of the apparatus;
and
an air flow changing member for opening or closing the first and second air-blowing outlets;
wherein the controller controls the air flow changing member according to the recording material conveying mode for cooling the recording sheet on either conveying paths.

6 more elements

An image forming apparatus comprising:

an image forming unit for transfer a toner image based on image information to a recording material;
a fixing unit for heating and fixing the toner image on the recoding material;
a conveying unit including plural conveying paths for convey the recording material to the image forming unit and discharging the recoding material on which the toner image is formed;
a cooling fan;
an air duct including a first air-blowing outlet and a second air-blowing outlet for conducting air from the cooling fan to an interior of the apparatus;
and
an air flow changing member for opening or closing the first and second air-blowing outlets;
wherein the recording sheet on the different conveying path is cooled by changing the air flow changing member.

5 more elements

Dependencies are inferred from the claim text.

Image forming apparatus

Life of this patent

Image forming apparatus

Life of this patent

Abstract

Claims12