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7480478 |
Method and apparatus for image forming capable of effectively fixing a toner image on a recording sheet by using induction heating
An image forming apparatus includes a fixing unit for fixing a toner image on a recording sheet. The fixing unit includes a fixing belt, a support roller, and a coil. The fixing belt rotates and...
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7480481 |
Heating and fixing device for fixing toner particles
A heating and fixing device for toner particles is provided, which includes a pressing element, at least one elastic element, a tube-shaped film, and a pressing roller. The elastic element is...
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7477858 |
Image forming apparatus using a belt fixing unit
An image forming apparatus may include a belt fixing unit and a controller. The belt fixing unit includes a moving fixing belt heated by a heater, a pressure member provided inside the fixing belt,...
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7477868 |
Thermal fixing device and image forming apparatus with a thermal fixing device that included a fixing member, a first pressing member and a second pressing member
A thermal fixing device includes: a fixing member configured to be in contact with a fixation medium; a first pressing member disposed to face the fixing member and presses the fixation medium to...
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7473871 |
Heating apparatus, fixing apparatus and image forming apparatus
A heating apparatus that enables an abnormally high temperature detection section that detects, when a heating element heated by means of electromagnetic induction reaches an abnormally high...
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7474869 |
Fixing unit having a bracket supporting pressure rollers and a paper guide and image-forming apparatus having the same
A fixing unit fixing an image on a paper and an image-forming apparatus having the same are provided. The fixing unit includes a heat roller, pressure rollers, a bracket, springs, and a paper...
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7471919 |
Image forming apparatus with first and second motors
The image forming apparatus includes an image bearing member, a first motor for driving said image bearing member, a fixing unit which fixes an image transferred from said image bearing member to a...
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7469120 |
Image heating apparatus
The image heating apparatus includes a cylindrical film, a heating member, and a drive roller, wherein a recording material bearing an image is heated while the recording material is bound and...
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7465906 |
Image heating apparatus
An image heating apparatus includes a coil for generating magnetic flux, a rotatable heat generation member for generating heat by the magnetic flux generated by the coil to heat a recording...
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7466950 |
Image heating apparatus with related image heating member and heat pipe
An image heating apparatus includes a coil for generating magnetic flux and an image heating member. The image heating member comprises an electroconductive layer which generates heat by eddy...
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7462804 |
Induction image heating apparatus
In order to prevent non-sheet passing portion temperature rise occurred in a non-sheet passing area of an electromagnetic induction heating member 1 , leakage of magnetic flux is reduced by...
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7460821 |
Image heating apparatus including heating rotatable member and cooperating rubbing rotatable member
An image heating apparatus includes a heating rotatable member for heating an image on a recording material in a nip, a nip forming member for cooperating with the heating rotatable member to form...
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7447472 |
Mechanism for selectively applying variable pressure profiles to a recording medium
A fixing apparatus operates to fix a toner image on a recording medium. A heating member extends in a first direction transverse to a second direction in which a recording medium travels for...
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7447473 |
Fixing device with pressing member and an image forming apparatus having the same
A fixing device for fixing a toner image onto a recording medium, and an image forming apparatus having the same are provided. The fixing device includes a fixing roller heated by a heating source,...
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7440722 |
Xerography methods and systems employing addressable fusing of unfused toner image
Methods and apparatus for performing addressable fusing and/or heating of a substrate undergoing xerographic processing are disclosed. The apparatus includes a fuser having an array of addressable...
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7440723 |
Image forming apparatus and fixing device
A pressure roller support member that rotatably supports a pressure roller is supported to a fixing unit case so as to be capable of swaying. A spacer member is supported to the pressure roller...
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7437112 |
Fixing apparatus and image forming apparatus
By controlling the temperature of a heating roller with high precision when in standby, good first-copy-out performance is obtained. In a fixing apparatus comprising a heating roller 1, a...
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7437085 |
Fixing apparatus and image forming apparatus
A fixing apparatus includes a fixing rotary body; a rotary body provided with an interval from the fixing rotary body; an endless belt rotating in a condition in which it is wound around the fixing...
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7437113 |
Image forming apparatus with magnetic flux shields and recovery operation
An image heating apparatus has a coil for generating magnetic flux, a rotatable heat generation member which generates heat by magnetic flux, a temperature detecting member for detecting a...
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7433641 |
Fixing member, fixing device, and image forming apparatus
A fixing member heat bonds a toner on a recording material. The fixing member includes a releasing layer, a layer of elastic material, below the releasing layer, and a layer of adiabatic and...
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7433619 |
Heat fixing device capable of preventing deterioration of a temperature sensor and an image forming apparatus
A heat fixing device capable of preventing deterioration of a temperature sensor by measuring the surface temperature of a heating roller at all times, and an image forming apparatus. The heat...
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7430392 |
Image heating apparatus
An image heating apparatus includes a heating rotatable member for heating an image on a recording material in a nip; a nip forming member for cooperating with said heating rotatable member to form...
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7427727 |
Fixing apparatus and an image formation apparatus
A fixing apparatus and an image formation apparatus are disclosed. The fixing apparatus includes two or more heaters with temperature detecting function that generate heat with electric current and...
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7427729 |
Image heating device and image forming device
An image heating apparatus is provided that enables the entire width of a heat-producing medium to be heated uniformly and an excessive rise in temperature to be prevented, without making the...
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7428390 |
Image fixing apparatus with variable fixing modes
A fixing apparatus is provided, in which a problem such as the melting of a heater retaining member does not occur when a fixing nip portion performs a fixing processing in a reduced pressure...
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7426364 |
Fixing method, fixing device, and image forming apparatus
A fixing device includes a fixing member in contact with an unfixed image constituted of developer T on one side of a recording material P; and a pressure member pressed against the fixing member....
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7424234 |
Image printer with common filter to filter common operating frequency band of fixing module and switch mode power supply module
An image printer using a common filter to remove harmonic waves generated at a common operating frequency band of a fixing module to fix toner onto a print medium using high frequency power...
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7424259 |
Fixing apparatus
A fixing apparatus that enables the calorific value of a heat-producing rotating element to be stabilized and the heat production efficiency of that heat-producing rotating element to be improved....
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7421236 |
Fixing unit including backup pressure members and image forming apparatus having the same
A fixing unit, and an image forming apparatus having the fixing unit. The fixing unit includes a heat roller including a heat source therein, one or more pressing rollers in close contact with the...
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7418228 |
Fuser systems and methods
Embodiments use an apparatus comprising a media path that is adapted to transport media sheets within the printing apparatus. Fuser rolls are positioned along the media path, and the fuser rolls...
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7415234 |
Image fixing device of an image forming apparatus
A fixing device of an image forming apparatus includes a fixing roller rotatably mounted on a moving path of a printing medium having a toner image transferred thereon to fuse the toner image on...
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7412181 |
Multivariate predictive control of fuser temperatures
A fusing apparatus includes a fuser roll and a pressure roll which define a nip therebetween. Two heating elements heat the fuser roll. One of the heating elements is configured for heating a first...
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7411164 |
Device for inductive injection of thermal energy into a printing form for fixing an image
An image fixing device inductively injects thermal energy into a rotating printing form of a press for fixing an image formed on the rotating printing form by means of a digital imaging system. The...
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7412196 |
Fuser with a substantially u-shaped reflective hood for a laser printer
A fuser for a laser printer. A heating lamp is disposed in a reflective hood. A heating roller is disposed under the heating lamp and adjacent to the reflective hood. The heating roller is...
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7406286 |
Fixing device and image forming apparatus including a heating roller with multiple heaters
In a fixing device for causing a pressurizing roller to come in pressure contact with a heating roller including a central region heating heater for heating a central region and a side end region...
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7398028 |
Image heating apparatus including a cooling unit adapted to cool a heating member
In an image heating apparatus including a rotatable heating roller to heat an image on a recording material at a nip part, and a cooling unit to cool the rotatable heating roller, the cooling unit...
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7397017 |
Image heating apparatus
A manufacturing method for an image heating apparatus for heating an image on a recording material by a heat from a heat generating element for producing heat by a magnetic flux generated by...
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7390995 |
Image forming apparatus, fixing device and image heater having an adjustable exciting member
An image forming apparatus includes a fixing device which fixes a toner image on a recording medium. The fixing device includes a heating device. The heating device includes a heat-generating...
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7392004 |
Image forming apparatus and system with fixing unit that changes intensity of press-contact force between rollers
An image forming apparatus includes (a) an openable and closable cover, (b) a fixing unit, and (c) a press-contact releasing member. The fixing unit has a first roller, a second roller that can be...
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7392005 |
Image heating apparatus
An image heating apparatus includes a rotatable heating member configured to heat an image on a recording medium at a nip, driving means configured to drive the heating member, an endless belt...
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7388595 |
Fixing device and temperature control method
As a cooling mechanism that cools the entire paper passage area of a heat-producing belt, a rotational drive method of the heat-producing belt is employed and the heat-producing belt is cooled by...
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7386243 |
Heating apparatus and induction heating control method
In an aspect of this invention, a fixing device includes a heating member including a first area and a second area formed of conductive members (e.g., aluminum and iron) having different magnetic...
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7382995 |
Fixing apparatus, image forming apparatus and fixing apparatus heating method
A fixing apparatus for fixing an unfixed image on a recording material includes: a heating member having a conductive layer, that is rotatably provided; a pressure member that is rotatably provided...
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7383008 |
Fixing rubber roller, fixing device and image forming apparatus incorporating the same
There is disclosed a device for fixing a toner image on a recording medium. A heat source is incorporated in a first roller. A heat-resistant belt member is stretched by a second roller and a...
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7379696 |
Toner for developing electrostatic image, fixing method for fixing image formed of the toner, and image forming method and process cartridge using the toner
A toner including toner particles including a colorant; a binder resin; and a release agent, wherein the binder resin includes a polyester resin (A) having a crystallinity and a specific formula...
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7373094 |
Fixing unit having a plurality of heaters, image forming apparatus and method of determining temperature detecting position of temperature sensor
A fixing unit thermally fixes a toner on a recording medium by a fixing member having a plurality of internal heaters and an outer peripheral surface, and a temperature sensor detects a surface...
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7372008 |
Image heating apparatus with electric power supply stop means
An image heating apparatus has a magnetic flux generator; a heat generating element for generating heat by a magnetic flux generated by the magnetic flux generator, the heat generating element...
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7369803 |
Fixing device and image forming apparatus using the same
A fixing device for fixing image information on a recording medium passing a nip of the present invention includes a rotatable member for transferring and conveying a non-fixed image, a first...
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7369802 |
Fusing roller with adjustable heating area and fusing apparatus using the same
A fusing roller and a fusing apparatus having the same are provided. The fusing roller includes: an induced coil, which generates an alternating magnetic flux that varies depending on an input...
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7366435 |
Fixing controller, image forming apparatus, and fixing control method
A fixing controller that utilizes an induction-heating (IH) fixing technique and a 2-CPU fixing technique is provided to reduce the control workload on the main CPU, and to perform a fine control...
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