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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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...