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7620338 |
Fixing apparatus having a curie point heater and image forming apparatus
A fixing apparatus has a heater that includes a magnetic shunt alloy whose Curie temperature is set higher than a fixing temperature; an induction heater that generates an alternating magnetic...
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7620337 |
Image heating apparatus and image forming apparatus with controlled switch out of stand-by state
An image heating apparatus includes a rotatable image heating member for heating an image on a recording material; a pressing member for forming a nip, with the image heating member, in which the...
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7610006 |
Image heating apparatus
An image heating apparatus of electromagnetic induction heating-type capable of providing a proper relative heat-generation distance with a magnetic flux generation member even when the magnetic...
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7606508 |
Image forming apparatus with a fixing apparatus
An image forming apparatus including a fixing roller; an endless fixing belt rotated together with the fixing roller; a pressurizing section arranged on the inner peripheral surface side of the...
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7603069 |
Fixing apparatus and image forming apparatus provided therewith
In a fixing apparatus and an image forming apparatus of the present invention, an external heating section is provided that includes: an external heating belt; two heat rollers suspending the...
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7603068 |
Fixing apparatus for forming an image
A fixing apparatus according to the invention comprises an elastic member, a heating roller including a conductive metal layer on the outside of the elastic member, a pressurizing roller for...
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7599636 |
Fixing apparatus with current control to heater
A fixing apparatus has first and second heating members and a current control unit which controls a number of waves and each of a first AC current to the first heating member and a second AC...
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7593680 |
Image forming apparatus including a fixing apparatus capable of effectively maintaining fixability for an extended period of use
An image forming apparatus includes a toner image forming mechanism that forms a toner image on a recording medium and a fixing mechanism that fixes the toner image on the recording medium. The...
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7593679 |
Heat recycling image forming apparatus
In an image forming apparatus, a recording medium with a toner image is heated in a heat fusion region to fix the toner image on the recording medium. The image forming apparatus includes a heat...
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7590377 |
Fixing device and image forming apparatus with nonmagnetic metal layer substantially free from temperature rise due to induction heating
A fixing device ( 30 ) has a fixing member ( 30 ) adapted to be heated by induction heating based on a magnetic field from an induction coil ( 34 ). A pressing member ( 40 ) is disposed in contact...
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7589300 |
Image heating apparatus
An image heating apparatus is constituted by a coil unit, an image heating member, and a heat transfer member for transferring heat from the coil unit to the image heating member. The heat transfer...
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7587162 |
Multi-tap series ceramic heater cold spot compensation
An improved fuser includes a heater that enhances uniform heating by altering the localized resistance which alters the localized power output of a resistive trace at the point of contact with a...
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7587161 |
Fixer and image forming apparatus
A fixer fixing a toner including a binder resin and a colorant on a recording medium upon application of at least one of heat and pressure, including:
a fixing member fixing the toner on the...
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7583924 |
Fixing device for image forming apparatus
In a fixing device for an image forming apparatus of the invention, circumferences of both side parts of an elastic layer are made larger than a circumference of a central part, and the expansion...
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7583923 |
Bearing structure and fusing device for image forming apparatus employing the bearing structure
A bearing structure reduces friction between a roller and a bearing under a pressure. A fusing device for an image forming apparatus employs the bearing structure. The bearing structure installed...
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7580666 |
Fixing member, fixing device and image forming apparatus
A fixing member including: a substantially cylindrical support and one or more layers provided on or above the support, including a surface layer that constitutes the outermost surface, the fixing...
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7580665 |
Chemically-treated cleaning web
A fuser debris inhibiting system and apparatus using an impregnated cleaning web. This web is impregnated with EDTA or its salts. The web can contact the fuser member directly or can contact...
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7577389 |
Heat transfer device of a image forming device
A fixing device is disclosed that includes a fixing roller, a pressure roller that is in pressure contact with the fixing roller, a plurality of belt support rollers that are mutually spaced apart...
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7570910 |
Image forming apparatus, fixing unit, and image forming method using induction heater
An image forming apparatus includes an image forming mechanism configured to form a toner image on a recording medium according to image data and a fixing mechanism configured to fix the toner...
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7570909 |
Fixing apparatus and image forming apparatus including the same
In a fixing apparatus including a regulating member which regulates the position of an external heating belt in a rotation axis direction, the external heating belt includes a base material made of...
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7565103 |
Device for fusing toner on print medium
A fusing device for fusing a predetermined toner image on paper, and which controls the heating range of a fusing unit by inputting an eddy current generated by a transformer to a terminal...
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7565102 |
Image heating apparatus with electrical connection between contact member and electroconductive layer of image heating member
An image heating apparatus includes magnetic flux generating means for generating a magnetic flux; an image heating member for generating heat by eddy current produced by the magnetic flux...
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7558518 |
Fixing device for use in an image forming device
A fixing roller 30, which has an internal heating device and is supported to rotate around a cylindrical shaft 40, and a pressure roller 81 whose circumferential face presses against the...
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7550243 |
Toner, developer, toner container, process cartridge, fixing process, image forming apparatus, and image forming process
The object of the present invention is to provide a toner characterized in that the toner comprises a first binder resin and a second binder resin, the first binder resin is an amorphous resin and...
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7546079 |
Fixing apparatus and image forming apparatus including a contact type temperature sensor placed stably on a paper non-passing zone of a fixing member
There is described a fixing apparatus for fixing a toner image onto a recording material, which makes it possible not only to reduce the frictional resistance generated between a temperature sensor...
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7546077 |
Rotary roller structure employing interval maintenance members and fuser of image forming apparatus employing the same
A fuser of an electrophotographic image forming apparatus fuses a toner image to a recording medium by applying heat and pressure. The fuser includes first and second rollers that are elastically...
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7546051 |
Fixing apparatus and image processing apparatus
A fixing apparatus according to an embodiment of the invention includes a heating roller for providing heat to a developer holding medium holding a developer image, a pressurizing roller which...
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7539450 |
Image fixing apparatus and image forming apparatus that maintains high efficiency in heat generation and reduces loss in power consumption
An image fixing apparatus stably maintains high efficiency in heat generation and reduces loss of electric power consumption for fixing an image, which includes a coil member to generate a magnetic...
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7539449 |
Image heating apparatus
A fixing apparatus 50 capable of reducing noise during a fixing operation using a fixing belt 1 having a metal layer includes the fixing belt 1 stretched between a fixation roller 2 and a...
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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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7532848 |
Printing roll having a controllable heat absorbing internal surface
A roll useful in fusing marking material to a print sheet includes a coating disposed on at least a portion of the inner surface thereof. A lamp disposed inside the roll supplies radiant energy to...
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7529515 |
Image forming apparatus and fixing apparatus
An image forming apparatus according to the present invention includes a heating roller 2 fixed at a predetermined position, a pressurizing roller 3 press-fitted to the heating roller 2 by a...
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7529514 |
Image forming apparatus with multiple image heating nip portions
An image forming apparatus has an image forming unit for forming a toner image on a recording material, a first image heating unit having a first rotary member and a second rotary member forming a...
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7519320 |
Image heating apparatus in which heater for heating heat roller is outside heat roller
An image heating apparatus includes a rotatable member contactable to a recording material for carrying an image; a heating member contacted to an outer surface of the rotatable member to heat the...
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7518091 |
Radio frequency and microwave radiation used in conjunction with convective thermal heating to expedite curing of an imprinted material
A system and method is provided in which a radio frequency transmitter and/or a microwave frequency transmitter applies radio and/or microwave frequency energy, respectively, to an imprinted...
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7518089 |
Image heating apparatus including flexible metallic sleeve, and heater used for this apparatus
The present invention relates to an image thermal apparatus including a flexible metallic sleeve, the inner peripheral surface of which contacts a heater. In order to provide increased durability...
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7515860 |
Image forming method and image forming apparatus for same
An image forming apparatus comprising: a latent image support for supporting a latent image and a developing device configured to us toner to develop the latent image on said latent image support,...
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7515850 |
Sheet conveying apparatus and image forming apparatus
A pressure lever includes an oscillating edge that is capable of contacting a supporting shaft of a pressure roller. An oscillating lever includes a plurality of oscillating edges around a fixed...
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7512372 |
Temperature-changing pressure roller assembly and a fusing apparatus having same
A temperature-changing pressure roller assembly is provided and includes (a) a rotatable pressure roller including a cylindrical sleeve having an outer surface, and an inner surface defining a...
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7509084 |
Electrophotographic marking systems with release agents
This is an electrophotographic marking system with the ability to minimize adherence of a marking composition to a fixing component in the system, such as a fuser roll. In this manner, offset is...
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7504605 |
Heating apparatus
The heating apparatus of a surface-heating type, includes a rotary member, an opposing member that forms a nip with respect to the rotary member, and a heating member for heating a portion of a...
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7499659 |
Image-forming apparatus and image-forming method
The image-forming apparatus and an image-forming method of the present invention stably provides a high-quality image having a surface with a uniform gloss value, without reduction in image...
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7496311 |
Fixing device with a magnetic flux generating section and a control section
When a fixing roller 1 generates heat by a magnetic flux generating section 3 during a standby time, a control section 5 rotates the fixing roller 1 . This prevents the fixing roller 1 ...
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7493074 |
Fixing device, sheet member, and image forming apparatus
The present invention provides a fixing device that has a planar member including a heat conduction layer. The heat conduction layer has a predetermined thickness and relatively pressed against a...
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7491917 |
Fuser and image forming device
A fuser includes a magnetic flux generation unit to generate a magnetic flux, a heating member which is heated by electromagnetic induction of the magnetic flux, a fuser member to contact the...
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7483664 |
Fusing apparatus having a segmented external heater
A fusing apparatus having a segmented external heater is provided. The fusing apparatus includes a rotatable pressure roller, a rotatable heated fusing member having an external surface forming a...
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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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7480479 |
Fixing apparatus
A fixing apparatus used in an image forming apparatus has a fixing member for fixing toner on paper and a pressure member making contact therewith to form in between a nip through which paper is...
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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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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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