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| Number | Title | Issue Date |
| 8180273 | Meandering detection device, meandering detection method, meandering correction device, and image forming apparatus A meandering detection device capable of detecting meandering of a subject with high accuracy includes: a contact which has an open end making contact with and following a subject body and which is supported by a support part; a reflection part integrally provided t... | 05/15/2012 |
| 8139996 | Image forming device having detachable drum unit There is provided an image forming device that forms images on recording sheets. The image forming device includes a frame having an opening, a cover movable for opening and closing the opening, a drum unit, a belt unit and a pair of registration rollers. The drum u... | 03/20/2012 |
| 8135330 | Image recording device and determination method A image recording device includes a sheet feeding unit, an image recording unit, a first feeding control unit, a determination unit, and a recording control unit. The sheet feeding unit feeds a sheet member along a sheet feeding path in a sheet feeding direction. Th... | 03/13/2012 |
| 8099037 | Image forming apparatus An image forming apparatus includes: an image forming section which forms an image on a sheet; a conveyance section which conveys the sheet to the image forming section, having a registration roller, a plurality of loop forming rollers which cause the sheet to form ... | 01/17/2012 |
| 8050616 | Image forming apparatus In an image forming apparatus having a registration roller that aligns the leading edge of the sheet and feeds it to the image forming section, a plurality of loop forming rollers that convey the sheet, and a loop forming space for forming a loop in the sheet are pl... | 11/01/2011 |
| 8036588 | Image forming apparatus In an image forming apparatus including an image forming section which forms an image on a sheet and a conveyance section which conveys the sheet to the image forming section, the conveyance section includes: a registration roller, a plurality of loop forming roller... | 10/11/2011 |
| 7848696 | Image forming apparatus The invention provides an image forming apparatus wherein, when forming an image on transfer sheet, the transfer sheet is shifted across the width immediately before transfer of the image onto transfer sheet based on the position of a toner image formed on an interm... | 12/07/2010 |
| 7751771 | Sheet transport apparatus and image forming apparatus The present invention relates to a sheet transport apparatus comprising; sheet transport means capable of conveying sheets at a transfer speed that is the same as a transfer speed α of sheet in an image forming position where an image is formed on the sheet, and at... | 07/06/2010 |
| 7684749 | Image forming apparatus with transfer attitude correcting section An image forming apparatus has a transfer attitude correcting section for correcting a transfer attitude of the transfer sheet to receive the toner image and for conveying the corrected transfer sheet to the transfer section with a timing to match with the movement ... | 03/23/2010 |
| 7593684 | Systems and methods for medium registration Embodiments according to the present disclosure provide methods and systems of determining nip velocity profiles in a medium registration system, including parameterizing a set of equations into a set of standard parameters, the set of equations representing an anal... | 09/22/2009 |
| 7583927 | Image forming apparatus An image forming apparatus that forms an image on a surface of a transfer sheet, then, reverses the transfer sheet on which the image has been formed on the surface and then, forms an image on the reverse side of the transfer sheet, wherein there is provided a corre... | 09/01/2009 |
| 7574167 | Image forming apparatus An image forming apparatus having therein an image forming device that transfers an image onto a transfer sheet and a reversing device that reverses the transfer sheet, wherein the image forming device transfers an image on the front surface of the transfer sheet, t... | 08/11/2009 |
| 7532852 | Registration device and image forming apparatus with the same A registration device includes a feed roller which presses one surface of a sheet to feed the sheet. A cartridge unit is placed opposite to the feed roller and includes a follower roller to support the other surface of the sheet. An image forming unit forms an image... | 05/12/2009 |
| 7437120 | Optical sensor for monitoring motion of a blank sheet An apparatus monitors the motion of sheet, such as in a digital printer. An optical sensor is capable of recording an image in a two-dimensional array of pixels, and has acuity to recognize a terrain of a small area on a sheet that is substantially blank to a human ... | 10/14/2008 |
| 7401990 | Paper path calibration and diagnostic system A plurality of scanner bars is arranged in precisely located holes in the frame of a media handling device to detect the passage of the lead and trail edge of media. The multiplicity of scanner bars, arranged linearly at a right angle to the direction of motion of t... | 07/22/2008 |
| 7395025 | Feeding device and feeding method, and image forming device A paper transporting apparatus transporting continuous paper to a paper processing part that performs designated processing on the continuous paper includes a drive roller that transports the continuous paper in a forward direction with respect to the paper processi... | 07/01/2008 |
| 7391525 | Methods and systems to calibrate media indexing errors in a printing device Methods and systems for calibrating media indexing errors in a printing device are provided. In one embodiment, the method comprises feeding a calibration media through a printing device, sensing the position of the media as it moves through the printing device, sen... | 06/24/2008 |
| 7365889 | System and method for transparency optimization One embodiment pertains to analyzing a document that is to be printed on a transparency, determining whether the document formatting is optimized for transparency printing, and alerting a user if the document formatting is not optimized for transparency printing. An... | 04/29/2008 |
| 7330691 | Image forming apparatus An image forming apparatus including a conveying unit for conveying a document, on which an image is recorded, along a predetermined conveying path, a scan unit that is disposed on the conveying path of the document for scanning the image recorded on the document, a... | 02/12/2008 |
| 7328898 | Image forming apparatus including timing determination unit, and corresponding sheet feeding method An image forming apparatus including a drive unit that drives a drive control unit that supplies a first drive current to the drive unit so as to acceleratingly drive an intermediate feeding roller, and supplies a current that is smaller than the first drive current... | 02/12/2008 |
| 7324237 | Image recording apparatus correcting the image recording position based on the detected result of the recording material This invention relates to an image recording apparatus provided with a transporting unit transporting an image recording material whose shape has at a least one side in a predetermined transporting direction; an image recording position detecting unit detecting a po... | 01/29/2008 |
| 7319842 | Pivotal sheet conveying apparatus for skew correction and image forming apparatus To provide a sheet conveying apparatus capable of enhancing an accuracy of correcting a skew of a sheet, and of preventing position shift of a sheet. The present invention provides a sheet conveying apparatus for conveying a sheet by a sheet conveying unit disposed ... | 01/15/2008 |
| 7305209 | Sheet transport device, image reading device, and image forming device In an image reading device of a multifunction device, a sheet transport device is provided with a resist roller and a resist roller in a sheet transport path extending from a document tray on which a document as a sheet is placed to an image reading region where rea... | 12/04/2007 |
| 7300054 | Sheet conveying apparatus, image forming apparatus and image reading apparatus A sheet conveying apparatus for conveying a sheet along a sheet path, has a skew detecting unit for detecting the skew of the sheet being conveyed, a skew correcting unit rotatable in a direction to correct the skew of the sheet in a state nipping the sheet in its s... | 11/27/2007 |
| 7277669 | Systems and methods for simplex and duplex image on paper registration Systems and methods of registering a sheet in an image reproduction, e.g., a xerographic, device use sheet parameters regardless of the tray or bin with which the sheets are associated, separate tallies of sheet registration correction factors for both sides of a sh... | 10/02/2007 |
| 7257349 | Image forming apparatus whose image bearing member and developing device are provided in a cartridge dismountably mounted to the apparatus The image forming apparatus includes an image bearing member for forming an electrostatic image, a developing apparatus for developing the electrostatic image on the image bearing member with a developer, a developer container for containing a replenishing developer... | 08/14/2007 |
| 7236736 | Image recording apparatus A printer-processor is provided with a paper feed path that is constituted of a plural number of pairs of conveyer rollers, and a feedback path that branches off the paper feed path to feed a sheet of recording paper back to an upstream position of the paper feed pa... | 06/26/2007 |
| 7227667 | Printer controller responsive to skew and magnification error A printer controller comprising a rasterizing part for producing raster data as printing data, a skew correcting part for correcting the raster data for a skew error in accordance with a correction coefficient delivered form the color image forming device and indica... | 06/05/2007 |
| 7222848 | Method and device to control the alignment of a media sheet in an image forming device A device and method for aligning a media sheet moving along a media path. An amount of skew that will occur as the media sheet moves along the media path is determined based on one or more physical characteristics. Previous testing of the device indicates that media... | 05/29/2007 |
| 7219888 | Multi-pass deskew method and apparatus A method for aligning print media on a feedpath includes the steps of: aligning a sheet of print media using a deskew mechanism; measuring the skew of the sheet after it has been aligned; and comparing the measured skew with a specified skew, and if the measured val... | 05/22/2007 |
| 7197971 | Device for trimming sheet material A sheet material trimming apparatus and method are described which are suitable for use in a booklet making system. An exemplary apparatus includes at least one cutter for trimming a first and a second edge of a sheet material in a first and a second direction, and ... | 04/03/2007 |
| 7184700 | Method of determining color register and/or register errors in a printing machine Color register and/or register errors are detected in a printing machine by using triangles serving as register marks. A first triangle is printed onto a sheet near the leading edge and a second triangle is printed onto a sheet near its trailing edge. The first tria... | 02/27/2007 |
| 7177585 | Image forming apparatus and method An image forming apparatus registers both sides of sheets with great precision in a sheet transportation direction in both-side image formation. The image forming apparatus includes: photoconductive drums holding toner images; an intermediate transfer belt temporari... | 02/13/2007 |
| 7171153 | Image forming apparatus The image forming apparatus includes an image forming unit installed in a main body of the image forming apparatus and a tray stack including stacked media supplying units for supplying the media piece from selected one of the stacked media supplying units to the im... | 01/30/2007 |
| 7158751 | Systems and methods for simplex and duplex image on paper registration Systems and methods of registering a sheet in an image reproduction, e.g., a xerographic, device use sheet parameters regardless of the tray or bin with which the sheets are associated, separate tallies of sheet registration correction factors for both sides of a sh... | 01/02/2007 |
| 7131782 | Paper edge sensing apparatus and method for borderless printing A paper edge sensing apparatus for borderless printing comprises a first paper sensor mounted in connection with the carrier and the frame in the upstream of a paper convey direction of an ink jet position of the ink jet nozzles to detect sheet edges, and a controll... | 11/07/2006 |
| 7133573 | Document skew accommodation A method to be used within a document image capture device, such as a document scanner (10) of detecting and measuring the document skew (25) while the document is still entering the imaging area and then effecting a rotation of the camera to accommoda... | 11/07/2006 |
| 7127992 | Arrangement for printing flat workpieces An arrangement for printing flat workpieces is provided and includes an application roller which rolls on the workpiece surface 6 to be printed and thereby applies a printed image to the workpiece surface 8, the application roller forming a printing cy... | 10/31/2006 |
| 7088948 | Adjustment of skew registration of media to a developed image in a printing machine A printing machine (10) including a registration station (45) for applying a skew adjustment received from a human operator is disclosed. The registration station (45) includes independently controllable motors (52a, 52b | 08/08/2006 |
| 7088947 | Post processor inserter speed and timing adjust unit In the present invention an image-forming production system includes a marking engine. The marking engine outputs a plurality of printed sheets at a first speed. An inserter is connected to receive the plurality of printed sheets from the marking engine and insert a... | 08/08/2006 |
