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| Number | Title | Issue Date |
| 8447199 | Fixing device and image forming apparatus including same A fixing device for fixing an unfixed toner image on a recording medium includes a fixing member, a pressure member, a sheet guide, and a pressure adjusting mechanism. The fixing member heats the unfixed toner image on the recording medium. The pressure member is di... | 05/21/2013 |
| 8428480 | Fixing device, image forming apparatus incorporating same, and method of dimensioning fixing device A fixing device includes a fixing member, a pressing member, a temperature detector, and a heater. The pressing member contacts an outer circumferential surface of the fixing member to form a fixing nip between the fixing member and the pressing member through which... | 04/23/2013 |
| 8422901 | 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... | 04/16/2013 |
| 8417136 | Image forming apparatus, fixing device, and image forming system using the same Provided are an image forming apparatus, a fixing device, and an image forming system using the same, including: an image forming section for transferring a toner image onto a recording sheet; a first and second fixing rollers for thermally fixing the toner image on... | 04/09/2013 |
| 8385763 | Heating fixer and image forming apparatus having position detectors and blocking blades A heating fixer, including a fixing member heating and melting a toner image; a pressure member contacting the fixing member upon application of pressure to form a nip; a variable device varying the pressure of the pressure member to the fixing member with rotation ... | 02/26/2013 |
| 8369730 | Fixing device A fixing device has a heating rotor, a pressure belt, a sheet member, first and second pressurizing members, a motor and a control unit. The control unit controls the motor to rotate the heating rotor and the pressure belt in a direction opposite to a conveyance dir... | 02/05/2013 |
| 8331818 | Optimized fusing for high speed electrophotography system A fuser and receiver release system and method are provided for improving the release of receivers in high speed of printing systems. This system controls the release of a receiver in conjunction with a fuser in a printing system, and specifically the efficiency and... | 12/11/2012 |
| 8301050 | Image forming apparatus and image forming system An image forming apparatus having a fixing unit fixing a developer image formed based on image data received onto a medium includes a target fixing temperature determination unit, a fixable temperature range computing unit, and a fixing temperature control unit. The... | 10/30/2012 |
| 8295725 | Fixing device and image forming apparatus An image forming apparatus includes a fixing device. The fixing device includes a heating member and a pressing member that form a fixing nip, an approach guide positioned an upstream in a recording-medium conveyance direction of a fixing nip, a fixing-pressure-chan... | 10/23/2012 |
| 8290386 | 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... | 10/16/2012 |
| 8260165 | Image forming apparatus and heater control method An image forming apparatus includes a halogen heater in a fixing unit; an AC source applying an alternating voltage to the halogen heater; a half-wave control unit that performs the heater half-wave control to control the halogen heater on the half-wavelength basis,... | 09/04/2012 |
| 8249478 | Fusing unit to fuse developing agent on a print medium, image forming apparatus, and method of controlling the same Disclosed are a fusing unit, an image forming apparatus employing the fusing unit and a method of controlling the same. The fusing unit disclosed herein includes a heating belt having a non-conductive outer surface and a pressing roller that allows a print medium to... | 08/21/2012 |
| 8249479 | Apparatus and method of controlling an image forming apparatus An image forming apparatus is controlled such that the amount of heat supplied to an outer surface recording sheet to be placed onto an outer surface of a book document for fixing a toner image thereon is greater than an amount of heat supplied to each of the other ... | 08/21/2012 |
| 8244148 | Fixing device and image forming apparatus with temperature control functions based on sheet speed and fixing pressure A fixing device for fixing a toner image to a sheet and has a fixing roller to be heated by a heat source and a pressure roller to be pressed into contact with the fixing roller. A switcher switches a pressing force between the fixing roller and the pressure roller ... | 08/14/2012 |
| 8218990 | Image formation system, image formation method, and image quality improvement method twice heating and pressing a toner image on a recording material An image formation system includes an image forming apparatus for forming different color toner images on a recording material having a toner reception layer, a first heater for heating and pressing the toner image on the recording material, and a heater for heating... | 07/10/2012 |
| 8204396 | Apparatus and method for adjustment of a printer fuser nip An apparatus (100) and method (300) that adjusts a printer fuser nip is disclosed. The apparatus can include a media transport (110) configured to transport a media sheet (112) in a media sheet travel direction. The apparatus can include ... | 06/19/2012 |
| 8200111 | Prevention of deformation of fixing unit in image-forming apparatus An image-forming apparatus capable of satisfactorily maintaining the durability of a separating mechanism while preventing deformation of rubber layers of parts of a fixing unit and at the same time achieving a power saving effect. The image-forming apparatus is shi... | 06/12/2012 |
| 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 |
| 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 |
| 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 |
| 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 |
