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| Number | Title | Issue Date |
| 8190046 | Image forming apparatus employing fixing device and control method therefor An image forming apparatus includes a controller, a database, an image carrier, a transfer unit, a fixing device including a temperature detector and a first drive device, a speed changer, and an electric-current detector. The controller calculates a toner adhesion ... | 05/29/2012 |
| 8175480 | Fixing device including plural demagnetizing coils and image forming apparatus A fixing device includes a heat applying system having an exciting coil that creates a magnetic flux for generating induction heat in a heat generation layer provided in a fixing roller. Plural demagnetizing coils are stacked in plural layers partially overlying the... | 05/08/2012 |
| 8170434 | Power adapting apparatus with an image forming apparatus and electronic apparatus having the same Disclosed are embodiments of a power adapting apparatus with an image forming apparatus and an electronic apparatus having the same. The power adapting apparatus includes a DC power generator to receive input AC power and generating DC power, a DC power output termi... | 05/01/2012 |
| 8170435 | Belt driving mechanism, fixing device, image forming apparatus using same, and belt position adjustment method used therein A belt driving mechanism includes an endless belt wound around first and second belt supporters, rotated by a driving source, a pressure member that presses against the first belt supporter via the endless belt, a deviation detector to detect a deviation of the endl... | 05/01/2012 |
| 8160466 | Fixing device having control unit for detecting pressure cancellation failure of pressure roller against heating roller In one embodiment of the present invention, a fixing apparatus that causes a recording material to pass through a nip portion formed by a rotating heat roller and a rotating pressure roller being in contact so as to perform a fixing operation is configured including... | 04/17/2012 |
| 8155547 | Apparatuses useful for printing and corresponding methods Apparatuses useful for printing and methods of are provided. The apparatus includes a user interface for operating the printing apparatus, a fuser for fusing media, the fuser having a plurality of temperature settings, a gloss meter for measuring gloss of an image f... | 04/10/2012 |
| 8145086 | Image forming apparatus An image forming apparatus capable of executing a mode for decelerating a rotation speed of a fixing member and a pressure member between sheets in a continuous print than that during a fixing operation. ... | 03/27/2012 |
| 8126346 | Apparatus and method for fixing an image An apparatus and method for image fixing are disclosed. A fixing device includes a fixing member, a pressure member, a heater, and a pressure controller. The fixing member and the pressure member face with each other to form a nip. The heater heats a surface of the ... | 02/28/2012 |
| 8107842 | Image forming apparatus and fixing control method A disclosed image forming apparatus includes a fixing unit configured to fix an unfixed image on a recording medium by bringing a first roller and a second roller in pressure-contact with each other; a contacting region detecting unit configured to detect a contacti... | 01/31/2012 |
| 8099007 | Fixing apparatus for image forming apparatus In a heat roller of a fixing apparatus according to an embodiment of the present invention, a sleeve is slidable with respect to a supporting roller. Flanges that regulate the sleeve have smooth surfaces, are arranged at gaps apart from a foamed rubber layer of the ... | 01/17/2012 |
| 8090282 | Gain scheduling approach for fuser control to reduce inter-cycle time A fusing apparatus includes a fuser roll and a pressure roll which define a nip therebetween. An internal heat source is disposed within a interior of the fuser roll. An external heat source is disposed adjacent the fuser roll for heating an outer surface of the fus... | 01/03/2012 |
| 8078072 | Image forming apparatus with image fixing device including an induction heater and a shield located between two sections of a core of the induction heater An image forming apparatus has an image forming station and a fixing unit. The fixing unit includes a coil for generating a magnetic field for induction heating the heating member. A first core made of a magnetic material is arranged fixedly around the coil. A secon... | 12/13/2011 |
| 8073351 | Image forming device An image forming device includes: a fixing portion including a nip that is formed between a heat roller and a back-up roller pressurized by a pressurizing mechanism and holds and conveys a toner-bearing sheet; a pressure switching mechanism for changing a pressurizi... | 12/06/2011 |
| 8068757 | Image forming apparatus In an image forming apparatus including a fixing portion in which a fixing nip portion is defined between a heater and a pressure roller via an endless belt, a pressure setting portion, which sets a pressure to be exerted on the fixing nip portion, sets a first pres... | 11/29/2011 |
| 8064787 | Fuser life extension A method for extending the operating life of a fuser used in an electrophotographic imaging apparatus is disclosed. A control algorithm monitors the number of substrates processed over the lifetime of the fuser and adjusts the fusing temperature of the fuser to comp... | 11/22/2011 |
| 8064788 | Selective printing of raised information using electrography Printing of information with a distinct tactile feel can be accomplished by electrographic techniques. Such electrographic printing includes the steps of forming a desired print image, electrographically, on a receiver member utilizing standard size marking particle... | 11/22/2011 |
| 8059982 | Printing device with laminating functionality A method of using a printing device having a toner fuser to laminate a media sheet with at least one laminate material sheet, the method including receiving a laminate request, adjusting a characteristic of the toner fuser of the printing device, and passing the med... | 11/15/2011 |
| 8045876 | Fixing device for image forming apparatus to control power of heating source while in a warming-up mode A fixing device of this invention enables variable control of power to be supplied to a heat roller side or a press roller side in accordance with the temperature of the heat roller and the press roller while each mode is carried out. In a copy mode, the temperature... | 10/25/2011 |
| 8023850 | Image forming apparatus capable of stably applying oil for fixing An image forming apparatus includes an oil input device and a fixing device including a fixing member, a pressing member, and an oil applier. In the oil applier, an oil application member applies oil supplied from an oil supply mechanism to one of the fixing member ... | 09/20/2011 |
| 8010006 | Fixing device, image-forming device, and fixing method A fixing device includes: a fixing unit that irradiates light to a color material transferred to a medium at a position specified by image data, to fix the color material on the medium; and a control unit that controls irradiation of light of the fixing unit so that... | 08/30/2011 |
| 7986893 | Electrophotographic apparatus having belt fuser and corresponding methods Disclosed are an electrophotographic apparatus for forming images on sheets, and corresponding methods. The electrophotographic apparatus includes an endless fuser belt for fusing toner particles to the sheets to form the images, a sensor for detecting a defect posi... | 07/26/2011 |
| 7986894 | Power supply device, fixing device and image forming apparatus A disclosed power supply device includes a voltage resonance circuit configured to include an output coil for boosting an input direct-current voltage to a predetermined voltage and outputting the boosted voltage to a load and also include a capacitor connected to t... | 07/26/2011 |
| 7978994 | Image forming apparatus including detector units An image forming apparatus includes an image forming unit that forms an image on a recording medium; a fixing unit that fixes the image formed on the recording medium by the image forming unit by applying heat; a first detector unit that detects a length of the reco... | 07/12/2011 |
| 7957660 | Image forming apparatus having fixing device that responds to request when using decolorable ink An image forming apparatus includes: a first image forming unit which forms a first image on a first recording medium with a first material which is not thermally decolorized; a second image forming unit which forms a second image on a second recording medium with a... | 06/07/2011 |
| 7949272 | Image forming apparatus with control of a contact position of fixing and pressure rollers A transfer unit transfers a toner image formed on an image carrier onto a recording medium. A fixing unit includes a fixing roller and a pressure roller for fixing the toner image onto the recording medium by applying heat and pressure to the recording medium. At le... | 05/24/2011 |
| 7945180 | Apparatus and method for forming image When an image forming apparatus, after a feeding error of a recording material occurs in a fixing device, re-forms on the recording material an image corresponding to image data which image was formed on a sheet which caused the feeding error, an image forming condi... | 05/17/2011 |
| 7925177 | Image fixing apparatus stably controlling a fixing temperature, and image forming apparatus using the same An image forming apparatus includes an image forming mechanism and an image fixing unit. The image forming mechanism forms a toner image on a recording sheet. The image fixing unit fixes the toner image onto the recording sheet. The image fixing unit includes a magn... | 04/12/2011 |
| 7917048 | Image forming apparatus and electromagnetic induction heating type fixing device having magnetic flux regulating section A fixing member having an outer peripheral surface brought in pressure contact with a sheet, an induction coil along the member, and a high frequency power source section that heats the heat generating layer of the fixing member by supplying an alternating current t... | 03/29/2011 |
| 7907858 | Method and apparatus for automatically adjusting nip width based on a scanned nip print in an image production device A method and apparatus for automatically adjusting nip width based on a scanned nip print in an image production device is disclosed. The method may include automatically inserting a sheet of media into a fuser nip in the image production device upon receiving a sig... | 03/15/2011 |
| 7907859 | Method and apparatus for automatically adjusting nip width based on a scanned nip image on ultraviolet (UV))-sensitive media in an image production device A method and apparatus for automatically adjusting nip width based on a scanned nip print image on ultraviolet (UV)-sensitive media in an image production device is disclosed. The method may include receiving a signal to generate a nip print, automatically inserting... | 03/15/2011 |
| 7903991 | Method and apparatus for measuring nip width in an image production device A method and apparatus for measuring nip width in an image production device is disclosed. The method may include receiving a signal to measure the nip width, the nip width being the distance of an arc length created by an intersection of a fuser roll and a pressure... | 03/08/2011 |
| 7894734 | Pressure adjusting mechanism for a fixing device and image forming apparatus A fixing device includes a heating member disposed with an internal heating source and a pressuring member that presses against the heating member. The fixing device is configured to be attachable to and detachable from an image forming apparatus body, and includes:... | 02/22/2011 |
| 7856190 | Heating device, fixing device, method of controlling temperature of heating member, and image forming apparatus A heating device heats, by electromagnetic induction heating, a heating member disposed in a fixing device for use in an image forming apparatus. The fixing device heats and fixes an image on a recording material while nipping and transporting the recording material... | 12/21/2010 |
| 7853162 | Fixing device having a variable rotation speed rotatable heating section and image forming device A fixing device capable of suitable fixing even after moving to a print mode by reducing overshoot at moving to a print mode, and an image forming device using this. A mode switching unit informs a set or switched print mode to a calorie control unit and a rotation ... | 12/14/2010 |
| 7848672 | Fusers including heater for pre-heating fuser belt, printing apparatuses and methods of fusing toner on media with pre-heating of fuser belt Fusers, printing apparatuses and methods of fusing toner on media are disclosed. An embodiment of the fusers comprises a pressure roll including an outer surface; a continuous fuser belt including an inner surface and an outer fusing surface contacting the outer sur... | 12/07/2010 |
| 7844192 | Apparatus and method for adjusting fuser nip width An apparatus (100) and method (300) that adjusts a fuser nip width in an apparatus that can include a fuser member having a fuser nip configured to fuse an image on media is disclosed. The method can include feeding (320) a media sheet in a medi... | 11/30/2010 |
| 7840149 | Enhancing image permanence by fusing media multiple times According to various illustrative embodiments, a system and method for enhancing image permanence are described. In one aspect, the method includes applying an image to a sheet of a medium using a system including at least one photoreceptor, at least one fuser, at l... | 11/23/2010 |
| 7805090 | Fuser assemblies, xerographic apparatuses and methods of fusing toner on media in xerographic apparatuses Fuser assemblies, xerographic apparatuses including the fuser assemblies, and methods of fusing toner on media in xerographic apparatuses are disclosed. An embodiment of the fuser assemblies comprises a first roll including an electrically-conductive first surface; ... | 09/28/2010 |
| 7796907 | Method and apparatus for detecting and avoiding a defect on a fuser web Disclosed are an electrophotographic apparatus for forming images on sheets, and corresponding methods. The electrophotographic apparatus includes a fuser web for fusing toner particles to the sheets to form the images, a sensor for detecting a defect position of at... | 09/14/2010 |
| 7792447 | Image heating apparatus with temperature control in relation to glass transition of toner An image heating apparatus for allowing a surface of a heated toner image borne on a recording material to be glossed without generating a batter in the heated toner image is provided. In an image heating apparatus (9) including heating means (11 and | 09/07/2010 |
