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| Number | Title | Issue Date |
| 8160487 | Image-forming device having first and second sheet guide pairs for guiding sheets of different sizes The image-forming device includes an image-forming unit, a fixing unit, a pair of first guides, and a pair of second guides. A sheet conveying path is provided from the image-forming unit to the fixing unit. The pair of first guides are disposed on the conveying pat... | 04/17/2012 |
| 8145116 | Electrostatographic apparatus having improved transport member The present invention is an electrostatographic reproduction apparatus which includes a primary imaging member for producing an electrostatic latent image on a receiver, a development station for applying toner particles to said latent image which forms a developed ... | 03/27/2012 |
| 8131203 | Image forming apparatus having retractable sheet loop detecting unit An image forming apparatus adjusts a size of the loop of the sheet between the fixing unit and the transfer unit, according to a signal from a loop detection unit provided in a sheet conveyance path between a transfer unit and a fixing unit and configured to detect ... | 03/06/2012 |
| 8131202 | Image forming apparatus having spur unit for regulating conveyance of sheet An image forming apparatus has an image transferring portion for transferring an image onto a sheet, an image fixing portion for fixing the transferred image to the sheet, a sheet conveyor portion arranged between the image transferring portion and the image fixing ... | 03/06/2012 |
| 7962087 | Radius profiled vacuum media handling transport System and methods providing a plurality of fusers, and one or more radius profiled media handling transports for transporting media in a radius, in an image forming device. The system includes one or more of a plurality of fusers, and radius profiled media handling... | 06/14/2011 |
| 7899386 | Image forming apparatus and guide therefor capable of reducing toner scattered on recording medium An image forming apparatus includes an image carrier, a transferor, a fixing unit, and a guide. The image carrier carries a toner image. The transferor opposes the image carrier to form a transfer nip and transfers the toner image on the image carrier onto a recordi... | 03/01/2011 |
| 7831194 | Image forming apparatus An image forming apparatus includes a laser scanning unit that irradiates a light. A photoconductive medium forms thereon an electrostatic latent image using the light from the laser scanning unit. A developing roller transfers a developer onto the electrostatic lat... | 11/09/2010 |
| 7787816 | Thermally uniform paper preheat transport A pre-heater system and adapted to be used on an electrostatic marking apparatus for improving gloss on media having marking thereon at a location in the apparatus prior to a conventional fuser roll assembly or station, the system including a primary heater adapted ... | 08/31/2010 |
| 7769338 | Electrostatographic apparatus having improved transport member The present invention is an electrostatographic reproduction apparatus which includes a primary imaging member for producing an electrostatic latent image on a receiver, a development station for applying toner particles to said latent image which forms a developed ... | 08/03/2010 |
| 7697882 | Apparatus having actuating member One embodiment of the present invention provides an apparatus comprising a thermoelectric generator thermally coupled to an assembly having a member, wherein the thermoelectric generator is configured to convert heat from the assembly to an electrical energy. The ap... | 04/13/2010 |
| 7680449 | Image-forming apparatus A guide body for guiding the back surface of toner-image-bearing paper is formed from an insulating material and is disposed so as to face a paper transport path. A paper-transport-path-facing portion of the guide body, which faces the paper transport path, has guid... | 03/16/2010 |
| 7623822 | Image forming apparatus having control of transportation unit fans according to sheet width Assume that a paper feed width of a sheet of paper of a predetermined size that is smaller than the maximum paper feed width W is W1. Then, when a sheet of paper having a width larger than the paper feed width W1 is transported, to stabilize the transp... | 11/24/2009 |
| 7532853 | Image forming device An image forming device includes a transfer unit having a photosensitive drum and a transfer roller, a fixing unit including a press roller and a heating roller, and a guide member on a non-image-forming surface side of the recording medium between the transfer and ... | 05/12/2009 |
| 7426353 | Image forming apparatus with variable convey speed control between transfer device and fixing device In a construction for forming images on the both surfaces of a sheet, a speed controlling device for effecting the conveyance control of the sheet between a transfer device and a fixing device controls, when the image is to be formed on a first surface, the sheet co... | 09/16/2008 |
| 7424246 | Toner imaging machine having an external fusing module A floor standing and environmentally isolated external fusing module dockable with a first external module surround frame surrounding a xerographic toner image marking module is provided and includes (a) a fusing apparatus for receiving from the xerographic toner im... | 09/09/2008 |
| 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 |
| 7386268 | Image forming apparatus A toner image is transferred from a photo-receptor onto an intermediate transfer unit. A back up roller faces the intermediate transfer unit and is operable to transfer the toner image onto a sheet, thereby image formation is performed. A switch back unit is operabl... | 06/10/2008 |
| 7383016 | Electrophotographic device capable of performing an imaging operation and a fusing operation at different speeds An electrophotographic imaging device comprises generally, an image transfer station configured to transfer a toned image to a substrate, a fuser assembly configured to fuse the toned image to the substrate and a transport device configured to transfer the substrate... | 06/03/2008 |
| 7376367 | Method of controlling fusing speed of image forming apparatus Provided is a method of controlling a fusing speed of an image forming apparatus. Determination is made as to whether a sheet of paper to be printed is a special-purpose sheet. Determination is made as to whether a length 1 of the sheet of paper is shorter th... | 05/20/2008 |
| 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 |
| 7356300 | Image forming apparatus A temperature of a sheet material after passing a first fixing device and before entering a second fixing device changes between the start and the end of an image forming job, thus resulting in a change in the gloss of the toner image. A cooling apparatus for... | 04/08/2008 |
| 7343124 | Structure for discharging papers in a tandem type color image forming machine A tandem type color image forming machine comprises a plurality of image forming units, a belt mechanism comprising an endless belt including a linear moving area, and a paper feed cassette in its image information machine body. The image forming units are arranged ... | 03/11/2008 |
| 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 |
| 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 |
| 7309179 | Media advancing device and method of displacing a medium A media advancing device for a hardcopy apparatus comprising: a platen having at least one slot and a top surface, whereby a medium advances on the top surface; and a plurality of openings connecting the top surface to at least one zone of negative pressure; and a r... | 12/18/2007 |
| 7305198 | Printing system A printing system includes a plurality of marking engines for applying images to print media. An output destination is configured for receiving imaged print media from the plurality of marking engines. A print media transport system conveys print media between the m... | 12/04/2007 |
| 7277651 | Image forming apparatus and control method with power controlled in accordance with remaining amount of rechargeable battery power There are provided an image forming apparatus which can implement on-demand fusing with quick rise in temperature by using the upper current (power) limit of a commercial power supply more effectively and a control method for the apparatus. This image forming appara... | 10/02/2007 |
| 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 |
| 7260337 | Image forming apparatus with control of commercial and battery power supplies to fusing device There are provided an image forming apparatus which can implement on-demand fusing with quick rise in temperature by using the upper current (power) limit of a commercial power supply more effectively and a control method for the apparatus. The image forming apparat... | 08/21/2007 |
| 7255042 | Recording apparatus and method of foreign material removal thereof In the recording apparatus 121, a recording medium fixing member 123 having a plurality of suction ports on the fixed surface to fix the recording medium 101; an adhering roller 143 which can contact with or separate from the recording me... | 08/14/2007 |
| 7257341 | Image forming apparatus with power supply control for fusing control circuit There is provided an image forming apparatus which can implement on-demand fusing with quick rise in temperature by using the upper current (power) limit of a commercial power supply more effectively. This image forming apparatus includes a rechargeable battery devi... | 08/14/2007 |
| 7254353 | Image forming apparatus and method of controlling commercial power supply to fusing means There are provided an image forming apparatus which can implement on-demand fusing with quick rise in temperature by using the upper current (power) limit of a commercial power supply more effectively and a control method for the apparatus. This image forming appara... | 08/07/2007 |
| 7242895 | Image heating apparatus having a flexible sleeve An object of the present invention is to provide an image heating apparatus having a flexible sleeve of an excellent durability. To this end, an image heating apparatus according to the present invention includes: a flexible sleeve; a driving roller contacting an ex... | 07/10/2007 |
| 7227562 | Electrophotograhic apparatus Provided is a small-sized electrophotographic apparatus for which maintenance such as disposal of a jam of sheets, replacement of consumables including toner, or replacement of components to be periodically replaced can be facilitated. Thus, there is provided... | 06/05/2007 |
| 7224932 | Image forming apparatus including a conveyance unit for passing a recording medium A one-pass system image forming apparatus for forming an image on both sides of a recording medium is capable of easily suppressing image disturbance caused when an unfixed toner image suffers abrasion when a sheet of transfer paper is conveyed from double-sided tra... | 05/29/2007 |
| 7187895 | Sheet nipping mechanism and image forming apparatus with same A sheet nipping mechanism is applied to an image forming apparatus and has a transfer belt for transporting a sheet having a toner image through a photosensitive drum. A fixing roller and a pressure roller are downstream of the transfer belt and are vertically align... | 03/06/2007 |
| 7182334 | Air diffusing vacuum transport belt An air diffusing vacuum transport belt including a first perforated layer and a second non-perforated layer is provided for transporting image carrying substrates without vacuum belt induced image defects. The first perforated layer includes a top surface and a bott... | 02/27/2007 |
| 7158747 | Belt-type fixing device A belt-type fixing device is provided by which driving torque for a fixing belt can be reduced. The belt-type fixing device has the fixing belt wound around a heating roller and around a nip forming member, and has a pressurizing roller that is in pressure co... | 01/02/2007 |
| 7092665 | Fixing apparatus having an exfoliating member and a restricting member A fixing apparatus, includes a fixing roller which has a middle portion and both end portions in an axis direction thereof, a pressing roller which is brought into press contact with the fixing roller for rotating so that a press contact portion is formed, an exfoli... | 08/15/2006 |
| 7079804 | Image forming apparatus To ensure stable feed of transfer material when a paper back vacuuming feed mechanism is employed in the path from a transfer section to a fixing section in an image forming apparatus, the image forming apparatus is such that the transfer section is arranged on the ... | 07/18/2006 |
