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7630663 |
Structure for cooling the interior of an image-forming apparatus
An image-forming apparatus including an image-forming member for forming a toner image and for transferring it onto a recording medium by an electrophotographic system, a fixing member for...
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7627259 |
Fuser cooling fan control method and image forming apparatus having the same
A method and apparatus for fuser cooling fan control is provided. An image forming apparatus so configured comprises a fixing unit, a cooling fan for cooling the fixing unit, a detecting sensor for...
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7623806 |
Charging device and image forming apparatus
A charging device includes: a charged body; a charging member that extends parallel to the surface of the charged body, a charging voltage being applied between the charging member and the charged...
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7623822 |
Image forming apparatus having control of transportation unit fans according to sheet width
Assume that a paper feed width of a sheet of paper of a predetermined size that is smaller than the maximum paper feed width W is W 1 . Then, when a sheet of paper having a width larger than the...
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7620342 |
Image forming apparatus having plural air flow paths
An image forming apparatus for forming an image including: a photoreceptor; a charging apparatus for charging the photoreceptor; and exposure apparatus for exposing an image onto the charged...
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7616912 |
Image forming apparatus including a charger and intake/exhaust
The image forming apparatus according to the present invention carries out intake and exhaust so as to generate air flow between a photoconductor drum and a charger in a long side direction of the...
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7616921 |
Sheet cooling device, intermediate sheet conveying device and image forming apparatus having the same
A sheet conveying mechanism, which conveys a sheet on which a toner image has been fixed at a heat-fixing process, includes conveying rollers each of which is a single roller having the same...
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7609990 |
Image forming apparatus that prevents toner from being jetted when cleaner blade or sealing member is separated from image carrier
A first rotary image carrier is adapted to support a toner image obtained by developing an electrostatic latent image formed thereon. A second rotary image carrier is adapted to support, on a toner...
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7609991 |
Image heating apparatus with an axial flow fan for cooling a portion of a heating rotatable member
An image heating apparatus includes a heating rotatable member for heating a toner image on a recording material at a nip; an axial flow fan for cooling the heating rotatable member at a...
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7603050 |
Cooling apparatus and image forming device having the cooling apparatus
A cooling apparatus and an image forming device having the cooling apparatus are provided. The cooling apparatus includes an induction opening formed at an outer frame to draw the air into the...
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7603051 |
Image forming apparatus including a suction/exhaust unit
An image forming apparatus includes a recoding-medium stacking portion, a recording-medium ejecting portion and a auctioning/exhausting unit. The recording-medium ejecting portion ejects a...
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7599641 |
Exhaust system of image forming device
A low-voltage power source circuit board is provided downstream in relation to the flow of air introduced through an intake hole and exhausted by a power source fan. Heat sinks are provided on the...
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7593662 |
Image-forming device having cooling mechanism for cooling a reading unit without overcooling a fixing unit
An image-forming device includes a casing, a driving roller, a conveying belt, a photosensitive unit, a fixing unit, a reading unit, a fan, and a first partition wall. The casing has a wall formed...
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7593663 |
Image forming apparatus
An image forming apparatus includes: a photosensitive element; a charger for electrically charging the photosensitive element; an exposure device for scanning laser light across the photosensitive...
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7587154 |
Developing unit and image forming apparatus using the same
A developing unit for developing an electrostatic latent image formed on the outer peripheral surface of a latent image bearing member rotating in one direction with a developer by mixing...
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7587153 |
Cooling device and image forming apparatus having the same installed therein
A cooling unit for use with an image forming apparatus including an image development part, with an Organic photoconductor, which is installed inside the housing and which forms an image, a laser...
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7567766 |
Fixing device with temperature control and image forming apparatus
A fixing device includes: a fixing roll member; a support roll member; a fixing belt member rotated while being mounted on and tensioned by the fixing roll member and the support roll member; a...
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7561818 |
Image heating apparatus with cooling operation related to recording material and detected temperature
An image heating apparatus including: a heating rotary member, which heats an image on a recording material in a nip portion; an air blowing unit, which blows air toward an air blowing port to cool...
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7558060 |
Cooling device for image forming apparatus
In a cooling device of an image forming apparatus, a space is formed between a flat surface of a sheet metal attached on a circuit board attached part and a power source circuit board. A duct is...
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7558502 |
Image forming apparatus
An image forming apparatus includes a fixing member for fixing toner images on a sheet by heat, a first blowing device for blowing air for cooling the fixing member, and a second blowing device for...
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7555235 |
Image forming apparatus enabling user to directly clean discharge wire
A charger includes a frame and a cover member, together defining an internal space. A discharge wire for producing a discharge for a photosensitive drum is disposed within the internal space. A...
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7546058 |
Image forming apparatus with partitioning member
A partition is provided to isolate a space from outside thereof, the space encompassing a space where an image holding member, a developing device, a charging device, a transfer device, and a...
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7546059 |
Image forming apparatus and exhaust mechanism
In an exhaust mechanism of the present invention, an upper surface of a part of a main body case in which exhaust ports are formed is formed into a curved or inclined shape, so that no object can...
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7542692 |
Image forming apparatus with detecting members for determining when set width is wrong
An image forming system has an image forming device for forming an image on a recording material in accordance with a set width of the recording material, and an image heating member. A first...
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7539436 |
Image forming apparatus provided with a cooling mechanism for cooling portions
An image forming apparatus is provided with a cooling mechanism mechanism having an air-cooling fan and a cooling duct for guiding cooling air from this air-cooling fan to desired positions to be...
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7539435 |
Image forming apparatus with isolating member for powder developer
An isolating wall is provided for isolating, from a space outside the isolation wall, a space including: a photosensitive drum; a developing unit; a charging device; a transfer device; and a fixing...
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7536145 |
Image heating apparatus
An image heating apparatus including: an image heating member, which heats an image on a recording material in a nip portion; an air blower, which blows air toward an air blowing port to cool a...
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7526223 |
Heat exhausting structure and image forming apparatus
A housing in which a heat source for heating a member to be heated is disposable includes a first end and a second end in a longitudinal direction. Each of the first end and the second end is...
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7513500 |
Image forming apparatus
An image forming apparatus is provided which is capable of preventing the heat radiated from a high-voltage power source board from raising the temperature around the high-voltage power source...
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7512356 |
Image forming apparatus with an air supplying unit having an air opening provided in a receiving unit
An image forming apparatus of the present invention includes an apparatus body having a document table portion on which a document is placed, a scanning unit provided inside the apparatus body to...
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7512355 |
Ozone exhaust system for image forming apparatus
An ozone exhaust system in an image forming apparatus having a multiple number of process printing units, includes: exhaust ducts for exhausting ozone arising in the process printing units. In the...
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7505722 |
Convective hot air impingement device with localized return paths
This is a pre-heater system especially useful in an electrostatic marking apparatus. It is used to heat the toner and paper (media) prior to the paper entering the conventional fuser station. Using...
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7502573 |
Image forming apparatus having a heat-discharging rotary-type development unit
An image forming apparatus according to the invention includes, in an apparatus body, an image carrier on which an electrostatic latent image is formed; and a rotary-type development unit being...
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7486904 |
Multicolor image forming apparatus and image making device
An image forming apparatus, includes: a plurality of image making units each having a charger; a transfer unit, a fixing unit configured to fix the multicolor developer image transferred by the...
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7477860 |
Image forming apparatus with an air channel that communicates with a handle for a sheet cassette
An image forming apparatus includes: an apparatus main bod; a sheet feeding cassette attached to the apparatus main body so as to be pulled out to an outside; a cover that covers, with an internal...
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7469111 |
Printer or copier with a refrigerator for generation of cold
In a printer or copier at least one printing unit is provided that generates at least one toner image on at least one page of a carrier material. The printer or copier also has at least one fixing...
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7469112 |
Image forming apparatus having an air-cooling system
An image forming apparatus includes an image forming section that forms a toner image. A transferring section transfers the toner image formed onto a recording medium. A fixing unit is located...
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7466934 |
Method and apparatus to control fusing temperature of an image forming apparatus
A method and apparatus to control the fusing temperature of an image forming apparatus. This method of controlling the fusing temperature of an image forming apparatus having a fan to exhaust the...
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7466936 |
Laser printer apparatus
In a laser printer apparatus, a top cover is arranged to cover a base member, a fixing unit, and a laser scanning unit. At a raised portion formed for reinforcement at an end portion of the base...
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7466935 |
Transferring and fixing system and method using a guided conveyor section and a free conveyor section
In a method and system for transfer printing of an electrostatic recharge toner image from an intermediate carrier onto a recording medium and for fixing of the transfer-printed toner image onto...
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7463842 |
Image forming apparatus with hot air dispersing structure
An image forming apparatus is disclosed wherein an image reading portion is provided in spaced relationship with a top surface of an image forming portion. Further, in the apparatus: a supporting...
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7460809 |
Air processing apparatus and image forming system
An air processing apparatus is provided with an air processing apparatus main body, to which a plurality of office apparatuses are connectable. A suction air interface for connecting the office...
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7446787 |
Image forming apparatus in which a fan is used to affect air flow
An image forming apparatus includes an image forming unit for forming a toner image on a recording material. A first accommodating body accommodates the image forming unit. A fixing unit fixes an...
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7447462 |
Image forming apparatus with exhaust duct
A medium is adapted to be transported in a first path. An image former is operable to form an image on at least one face of the medium. A fuser is operable to fix the image on the medium. A...
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7433625 |
Image heating apparatus
An image heating apparatus including an image heater for heating an image on a recording material in a nip portion, an air blower for blowing air toward an air blowing port to cool a predetermined...
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7433623 |
Image forming apparatus with two recording sheet cooling outlets
The image forming apparatus cools the recording sheet with a cooling fan having an air duct with a first air-blowing outlet and a second air-blowing outlet for directing air from the cooling fan to...
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7433624 |
Cooling structure and image forming apparatus provided with the same
A cooling structure includes driving motors as heat sources, a metal sheet body as a heat transfer member that comes into contact with the driving motors, and a first fan serving as a cooling...
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7426355 |
Tandem photosensitive-member unit having grip part
An image-forming device includes a main body and a tandem photosensitive-member unit. The tandem photosensitive-member unit includes a unit frame, a plurality of photosensitive members, a...
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7420716 |
Image reading apparatus
An object of this invention is to provide an image reading apparatus capable of reading an original image at high speed. And other object is to provide an image reading apparatus in which even when...
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7415222 |
Image producing machine having a footprint-reducing tower
A reduced footprint image producing machine including (a) an image output terminal (IOT) having (i) a moveable imaging member including an imaging surface; (ii) latent imaging devices for forming a...
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