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| Number | Title | Issue Date |
| 8041277 | Image forming apparatus An image forming apparatus includes a guide member configured to guide a sheet to a nip section between a heating roller and a pressing roller disposed close to the upstream side of the rollers and on the pressing roller side. A downstream end of the guide member is... | 10/18/2011 |
| 7796930 | Anti-toner-adhesion mechanism and sheet conveying apparatus and method thereof A technique of preventing toner from adhering to a guide which guides a change of a conveying direction of a paper by the paper on which a toner image is formed contacting with the guide is provided. The technique includes: a concave guide, having a concave guide su... | 09/14/2010 |
| 7751766 | Fixing device and image forming apparatus having the same A fixing device includes a fixing member for heating a recording medium and fixing an image formed on the recording medium; a pressing member pressed against the fixing member for pressing the recording medium against the fixing member; a frame member for supporting... | 07/06/2010 |
| 7734238 | Image forming apparatus with first and second guiding sections for varying a contact length of a sheet with a heating member in accordance with a thickness of the sheet An image forming apparatus includes a fixing section and a guiding section. The guiding section includes first and second guiding members. The first guiding member is in a first conveyance path for a first recording sheet having a first width and contacts the first ... | 06/08/2010 |
| 7672628 | Post-fixing support unit and image forming apparatus using the same A post-fixing support unit which is disposed between a fixing roller including a heating roller having a heat generator and a pressure roller so disposed opposite to the heating roller as to form a nip portion and a plurality of sheet discharge rollers which are dis... | 03/02/2010 |
| 7668493 | Flexible media travel adjusting means and an image forming device including the same An image forming device includes one or more flexible fingers to simulate a narrow gap baffle and provide a baffle-like support for different document media. These flexible fingers help guide the documents from one subsystem to another, for instance, entering into t... | 02/23/2010 |
| 7630674 | Method and arrangement for fusing toner images to a printing material An object of the present invention is to produce a suitable printed image in a printing machine and provide efficient cooling of the printing material following a fusing operation. To do so, a method for fusing toner to a printing material (5) is provided, in... | 12/08/2009 |
| 7620355 | Glossiness processing apparatus and image forming apparatus A fixing apparatus in which a sheet on which a toner image is fixed in a first heating portion is conveyed to a second heating portion through a first conveying path, the conveyed sheet is re-fixed in the second heating portion, and the re-fixed sheet is conveyed th... | 11/17/2009 |
| 7474870 | Fixing unit, electro-photographic image forming apparatus having the same, and printing method thereof A fixing unit, an electro-photographic image forming apparatus having the same, and a printing method thereof are provided. The electro-photographic image forming apparatus includes a printing unit that forms a toner image on a recording medium by an electro-photogr... | 01/06/2009 |
| 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 guide. The heat roller has a heat source therein and the pressure rollers ... | 01/06/2009 |
| 7457574 | Fuser roll edge wear smoothing system and method This disclosure provides a printing apparatus and method including a media sheet registration system, a fuser roll assembly and a fuser roll RDS (registration distribution system). The media sheet registration system steers media sheets to alternative target positio... | 11/25/2008 |
| 7418227 | Image forming apparatus for higher speed printing An image forming apparatus includes a first image carrying belt, a second image carrying belt, a first transfer unit, a second transfer unit, a fixing unit, and a controller. Each of the first and second image carrying belt carries a toner image on their respective ... | 08/26/2008 |
| 7406292 | Image forming apparatus and fixing device An image forming apparatus a first fixing device fixing the toner image on the sheet; a second fixing device fixing the toner image, fixed on the sheet by the first fixing device; a fixing conveyance path guiding the sheet carrying the toner image fixed by the secon... | 07/29/2008 |
| 7403737 | Method of preventing media wrinkling An apparatus and method are provided for the reduction of wrinkles formed in sheets of paper media which may contain various levels of absorbed moisture across the surface and which are processed through a fuser section of a printing or copying device. Protruding fe... | 07/22/2008 |
| 7398044 | Fixing device A thermistor is disposed confronting a surface of a heat roller on a downstream side in a rotational direction of a heat roller from a contact position between the heat roller and a pressure roller. Side guide members are provided on both sides of the thermistor and... | 07/08/2008 |
| 7391980 | Image forming apparatus includes a fixation device control based on a sheet-type when a jam occurs An image forming apparatus of the present invention includes an image formation portion for forming a toner image on a sheet, and a fixation device for fixing the toner image formed by the image formation portion on the sheet. When a sheet jam occurs, it is controll... | 06/24/2008 |
| 7389062 | Image fixing apparatus and image forming apparatus An image fixing apparatus includes a first conveying path on which a sheet is conveyed, a first fixing unit that fixes a toner image on a sheet conveyed on the first conveying path, a second conveying path on which a sheet is conveyed, wherein the second conveying p... | 06/17/2008 |
| 7372411 | Antenna arrangement and method for making the same An inverted-F antenna arrangement comprising a dielectric element structure, a radiating element on the dielectric element, the radiating element having a first end and a second end, a planar ground element, the dielectric element separating the radiating element an... | 05/13/2008 |
| 7369786 | Sheet transporting apparatus and printing apparatus A sheet transporting apparatus includes: a heating roller and a pressure roller that heats and presses a toner image to fix the toner image onto the sheet; a pressure roller detection unit that detects a contact posture of the rollers; a sheet meander correction mec... | 05/06/2008 |
| 7369800 | Device for preventing contact between transfer body and transfer medium tail edge portion in image forming apparatus An image forming apparatus is constituted so as to be equipped with transfer apparatus(es) having transfer roller(s) electrostatically transferring development image(s) from photosensitive drum(s) to transfer medium/media, and so as to be provided with transfer medi... | 05/06/2008 |
| 7364826 | Electrostatic latent image developing toner, and method for manufacturing electrostatic latent image developer and electrostatic latent image developing toner There is provided an electrostatic latent image developing toner including a binder resin, a colorant, and a release agent, wherein the shape factor SF1 of the toner is within the range from 110 to 140, the volume average particle size of the toner is within the ran... | 04/29/2008 |
| 7352979 | Image forming apparatus having a cooling section in a fixing apparatus An image forming apparatus including: an image bearing body; an image forming section to form a toner image on the image bearing body; a transfer section to transfer the toner image on a recording material; and a fixing apparatus having a pressure member and a heati... | 04/01/2008 |
| 7343131 | Fixing device having a pressure roller and image forming device equipped with the same A fixing device is provided with a heat roller (18) and a pressure roller (19) having a shaft (24) and an elastic layer (25) formed on a periphery thereof and being in pressurized contact with the heat roller (18). A concave region... | 03/11/2008 |
| 7337936 | Continuous paper transporting mechanism and printing apparatus having the same A printing apparatus having a mechanism for transporting continuous paper includes: a frictionally transporting section for frictionally transporting the continuous paper; a paper braking section provided on an upstream side of the frictionally transporting section;... | 03/04/2008 |
| 7333764 | Paper guide and electrophotographic forming apparatus having the same A paper guide which does not make stripes on an image on a printing paper. The paper guide of an electrophotographic image forming apparatus includes a guiding member for guiding the printing paper into a fusing unit, a plurality of guiding ribs formed on the guidin... | 02/19/2008 |
| 7327967 | Image heating apparatus with variable timing In a construction wherein at the start of fixing, a pressure belt is brought into contact with a fixing roller at uniform timing, it has sometimes been the case that the temperature of the pressure belt at a point of time whereat the fixing is started does not becom... | 02/05/2008 |
| 7319210 | 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 magnetic flux generating means, the apparatus including a magnetic flux con... | 01/15/2008 |
| 7315721 | Image forming and fixing apparatus with cooling fan An image forming apparatus comprises an image forming unit for forming a toner image on a sheet, a fixing unit for fixing the toner image transferred on the sheet by heat, a cooling fan for cooling the sheet by supplying air to the sheet fixed by the fixing unit and... | 01/01/2008 |
| 7310493 | Multi-unit glossing subsystem for a printing device A glossing subsystem is provided that receives duplexed output media that has been selectively marked on a first side and a second side. The glossing subsystem includes: a first glossing unit that selectively provides a first gloss level to a first side of the duple... | 12/18/2007 |
| 7310491 | Non-gouging sheet stripper assembly A non-gouging sheet stripper assembly is disclosed for stripping copy sheets from a surface of a moving fusing member. The non-gouging sheet stripper assembly includes (a) at least one baffle forming part of a sheet path; (b) a finger shaft having a first end attach... | 12/18/2007 |
| 7299000 | Image forming apparatus having a recording material transporting path An image forming apparatus includes a recording material transporting path that extends in a direction from bottom to top of a body of the image forming apparatus and transports a recording material, a fixing device provided on the recording material transporting pa... | 11/20/2007 |
| 7298981 | Fixing device and image forming apparatus with guide having adjustable biasing angle A fixing device includes a first fixing part having a heater disposed therein, a second fixing part, disposed to oppose to the first fixing part, for pinching a recording medium to form a first nip portion, a pair of transfer rollers, disposed at a downstream side o... | 11/20/2007 |
| 7284918 | Recording method, computer-readable medium, and recording apparatus A recording method, for example, which allows a recording medium to be carried with high carrying precision is to be achieved. A recording method includes a step of changing a carry command value, when carrying a recording medium, according to a state of bending of ... | 10/23/2007 |
| 7283777 | System and method for characterizing fuser stripping performance Disclosed herein are several embodiments to facilitate the characterization of fuser stripping performance. Recognizing that the characteristics of a substrate exiting a fusing nip are indicative of the operation of the nip and the stripping operation itself, severa... | 10/16/2007 |
| 7283763 | Fixing apparatus, and image forming apparatus Disclosed is a fixing apparatus which includes a first rotatable member having an endless configuration, and a second rotatable member in pressure contact with the first rotatable member which causes a recording material bearing an image to be nipped and conveyed at... | 10/16/2007 |
| 7280775 | Image-forming apparatus and recording-medium-temperature detector unit used in the same An image-forming apparatus includes a movable lever which functions as a recording medium detector for detecting the passage of a recording medium and a temperature detecting portion provided on the movable lever. The temperature of the recording medium is detected ... | 10/09/2007 |
| 7269385 | Sheet guide, fixing device and image forming apparatus A sheet guide sheet guide for guiding a recording sheet includes an outermost surface layer brought into contact with a recording sheet, which is formed of a material having a water contact angle of approximately 50° or less and one of a pencil hardness of 9H or mo... | 09/11/2007 |
| 7267338 | Image processing apparatus An image processing apparatus ejects the sheet to witch image processing unit perform to an ejection tray or a staple stacker by a pair of ejection rollers and the like. A sheet path for guiding the sheet to the ejection rollers is opened and closed in conjunction w... | 09/11/2007 |
| 7257364 | Paper feeding mechanism for continuous form printer A paper feeding mechanism for a printer includes a discharging unit located on a downstream side of a paper feed path, a feeding unit located on an upstream side with respect to the image transfer station, a tension applying unit that operates to apply tension to th... | 08/14/2007 |
| 7252873 | Electrostatographic apparatus having transport member with high friction layer A method for forming a receiver transport member for an electrostatographic reproduction apparatus. The transport member transports receiver members with respect to a fuser assembly and is frictional coupled to a transfer member for driving the transfer member. The ... | 08/07/2007 |
