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| Application No. | Application Title | Issue Date |
| 20120051768 | Image Forming Apparatus In an image forming apparatus, a controller performs development of toner patterns corresponding to a first halftoning method and a second halftoning method. One of the toner patterns contains first patch images for the first halftoning method, and another one contains ... | 03/01/2012 |
| 20120008975 | IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF An image forming apparatus includes a transport part which includes a transport belt to transport a printing medium, an image forming part which transfers a toner to form a color image, and a controller which controls the image forming part to form a test image for colo... | 01/12/2012 |
| 20120002994 | TEST IMAGE PRINT VARIATIONS FOR PRINT QUALITY ANALYSIS Methods and systems herein provide for printing a plurality of variations of a test image utilizing different values of a print quality parameter for print quality analysis of a printer. A print quality parameter is selected that modifies a print quality of the printer ... | 01/05/2012 |
| 20110293310 | IMAGE FORMING APPARATUS An image forming apparatus includes a control unit arranged to control an image forming unit so as to form images based on image information and to form maintenance images for maintaining the image forming unit. The control unit is arranged to control the image forming ... | 12/01/2011 |
| 20110243589 | IMAGE PROCESSING APPARATUS AND DENSITY CORRECTION METHOD An image processing apparatus includes an image forming unit, an image control unit, a sensor, and a correction unit. The image control unit controls the image forming unit to perform toner refresh which is an operation of outputting deteriorated toner at a high density... | 10/06/2011 |
| 20110222885 | IMAGE FORMING APPARATUS An image forming apparatus includes: a cleaning blade provided on an intermediate transfer member to which a toner image formed on at least one image forming section is primary transferred and on a secondary transfer section which transfers the toner image transferred o... | 09/15/2011 |
| 20110200346 | METHOD AND SYSTEM FOR MINIMIZING NON-UNIFORMITIES IN OUTPUT IMAGES USING HALFTONE CORRECTION PATCHES Disclosed herein are a method and a printing apparatus implementing the method to minimize cross-process direction non-uniformities of color images in printed documents. When printing images on a photoreceptor, halftone test patches are generated for each color. A first... | 08/18/2011 |
| 20110194860 | IMAGE FORMING APPARATUS When an input image is to be formed on a sheet conveyed to a transfer roller, the exposure section is controlled and deviation correction is performed to offset the image forming position across the width of the sheet in response to the result of detection by a deviatio... | 08/11/2011 |
| 20110182608 | IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF An image forming apparatus is provided that forms an image using developers of different tone and the same hue. When forming images for measurement for density control, the apparatus performs density control by forming a greater number of density levels of an image for ... | 07/28/2011 |
| 20110182601 | Image Forming Apparatus In the image forming apparatus, the partial image data for gradation adjustment is threshold conversion data of a partial image, the partial image is a part of a base pattern image with a predetermined size and does not contain any sides of the base pattern image, and t... | 07/28/2011 |
| 20110076040 | IMAGE FORMING APPARATUS AND DENSITY UNEVENNESS DETECTION METHOD A plurality of test patches each including a dark and light image which has density unevenness of a predetermined period in which the plurality of test patches are differentiated in phase difference relative to a phase of density unevenness induced by rotational unevenn... | 03/31/2011 |
| 20110058823 | IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM PRODUCT A toner-image detecting sensor for detecting a toner image before being transferred onto a recording sheet and a fixed-image detecting sensor for detecting the toner image after being secondarily transferred and fixed on the recording sheet are arranged so that the posi... | 03/10/2011 |
| 20110044712 | IMAGE FORMING APPARATUS Certain embodiments provide an image forming apparatus including: an image processing unit; a printer; a memory configured to store an adjustment value; an operation panel configured to receive a change for the adjustment value according to a user input; an adjuster con... | 02/24/2011 |
| 20110013919 | Image forming apparatus capable of reducing image expansion and contraction In an image forming apparatus, a control device recognizes expansion and contraction of a pattern image based on an output of an image detector. The control device calculates a driving motor velocity fluctuation cancellation pattern for driving a common drive source. Th... | 01/20/2011 |
| 20100329722 | IMAGE-FORMING APPARATUS AND IMAGE-FORMING METHOD An image-forming apparatus includes: a forming unit that forms an image on an image holder that is a rotating body holding an image; a measuring unit that measures a rotation amount of the image holder with reference to a certain position on the image holder; a determin... | 12/30/2010 |
| 20100329711 | IMAGE FORMING APPARATUS PROVIDED WITH TONER DENSITY DETECTION SECTION An image forming apparatus includes a density sensor that measures density of patch images formed on an image carrier; and a controller that forms patch images having respectively plural density types in which image forming conditions are different respectively and corr... | 12/30/2010 |
| 20100272461 | EFFECTIVE SCHEDULING ALGORITHM FOR BELT SPACE CONSERVATION This is a method for placing test patches along the surface of a photoconductive belt. A novel feature of this invention is locating optimum times and locations for placing the test patches by rotating the belt backwards after the first normal forward rotation of the be... | 10/28/2010 |
| 20100247124 | IMAGE FORMING APPARATUS An image forming apparatus includes plural image holding members; an intermediate transfer material; a transfer unit that transfers the toner images onto a recording medium; a density control toner image creating unit that creates a density control toner image at a cons... | 09/30/2010 |
| 20100221024 | IMAGE FORMING APPARATUS, METHOD, AND PROGRAM STORAGE MEDIUM An image forming apparatus includes an image formation unit, a conveying unit and controller. The image formation unit includes a rotating photoreceptor, a latent image formation unit, a developing unit, a first transfer unit, and a second transfer unit. Regardless of f... | 09/02/2010 |
| 20100215392 | IMAGE FORMING APPARATUS AND GRADATION CORRECTION TEST CHART An image forming apparatus includes: print data generating unit for generating gradation correction test chart print data to juxtapose and draw a basis density pattern having a basis density of a yellow color and plural reference density patterns having respective densi... | 08/26/2010 |
| 20100092191 | DYNAMIC PROCESS CONTROL FOR IMAGE PRINTING DEVICES IN THE PRESENCE OF RELOAD DEFECTS BASED ON CUSTOMER IMAGE CONTENT A method and system for controlling an image printing system in the presence of reload defects are provided. The method comprises placing toner images on an image bearing surface moving in a process direction, determining the density of the toner image or a portion ther... | 04/15/2010 |
| 20100092201 | PAPER PROFILE AND READING SYSTEMS Methods, systems, computer readable media and other means for generating a profile for a particular type of media are provided. The profile represents a set of preferred printing parameters to be used to achieve a target print quality for a reference printing device. Th... | 04/15/2010 |
| 20100092200 | OPTIMIZATION OF RELOAD PERFORMANCE FOR PRINTER DEVELOPMENT SYSTEMS WITH DONOR ROLLS A method creates a printing image charge on a photoreceptor printing region of a photoreceptor within a printing apparatus and, simultaneously with the creating of the printing image charge, charges source patches on the photoreceptor outside the photoreceptor printing ... | 04/15/2010 |
| 20100080603 | Method of Forming Registration Mark and Image Forming Apparatus A method of forming registration marks and an image forming apparatus are provided. The registration mark includes two first patterns and one second pattern on an image carrier. The method includes: forming two first patterns on the image carrier; and forming a second p... | 04/01/2010 |
| 20100067936 | IMAGE FORMING APPARATUS An image forming apparatus which includes a photosensitive member and an image forming station. The image forming station includes a charging device for charging the member, an exposure device for exposing the member to light, a developing device for developing an elect... | 03/18/2010 |
| 20100067937 | METHOD AND APPARATUS FOR IMAGE FORMING CAPABLE OF EFFECTIVELY PERFORMING COLOR IMAGE POSITION ADJUSTMENT An image forming apparatus including a plurality of detachable image forming devices each configured to form a color image, an image carrying device configured to carry the color images sequentially overlaid into a single color image, an exchange detecting device config... | 03/18/2010 |
| 20100054774 | IMAGE DENSITY CONTROL DEVICE AND IMAGE FORMING APPARATUS An image density control device includes a first detecting unit that detects a light amount of first specular reflected light which is reflected from a surface of an image carrier, a second detecting unit that detects a light amount of first diffuse reflected light whic... | 03/04/2010 |
| 20100014877 | DYNAMIC PROCESS CONTROL FOR PRINTING DEVICES IN THE PRESENCE OF RELOAD DEFECTS Methods and systems are provided for controlling a printing device in the presence of reload defects. According to a first embodiment, a controller is provided to manage the printing of scheduled control patches immediately after an image of a print job. Accordingly to ... | 01/21/2010 |
| 20090324267 | IMAGE FORMING APPARATUS AND IMAGE-DENSITY CONTROL METHOD An image forming apparatus forms a plurality of tone patterns of different colors, each of which containing a plurality of toner patches having different toner densities. Some of the toner patches in each of the tone patterns are formed with a predetermined fixed develo... | 12/31/2009 |
| 20090297189 | IMAGE FORMING APPARATUS An image forming apparatus includes an image forming portion and an intermediate transfer portion that has an intermediate transfer member on which a toner image is primarily transferred, the intermediate transfer portion secondarily transfers a toner image on a paper s... | 12/03/2009 |
| 20090220264 | ELECTROPHOTOGRAPHY APPARATUS An electrophotography apparatus prevents the edge effect without causing the blurring or loss of a single-dot image or a single-dot-width line. Based on a measurement of a testing patch, two templates with different sizes are generated. Image data to be printed is subje... | 09/03/2009 |
| 20090220263 | IMAGE-FORMING DEVICE A patch mark-forming unit forms a first patch mark at a first density on a surface. A light emitting unit emits an incident light onto the surface moving. The incident light reflected by the surface is divided into a mirror-reflected light and a diffusion-reflected ligh... | 09/03/2009 |
| 20090220262 | Image Forming Apparatus An image forming apparatus includes a plurality of image forming units, a patch forming unit which actuates the respective image forming units to form density detection patches of the respective colors, a density detecting unit that detects a density of the density dete... | 09/03/2009 |
| 20090202263 | IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD An image forming apparatus includes a control device that calculates a developing ability of the developing device based on a detection value detected by an optical detection device from the plural toner patches. The control device adjusts an image formation condition b... | 08/13/2009 |
| 20090190947 | Image Formation Device There is provided an image formation device, comprising: an image forming unit configured to execute image formation to form an image on a recording medium; a holding body configured to move relatively with respect to the image forming unit and to hold an image formed t... | 07/30/2009 |
| 20090175634 | METHOD FOR CONTROLLING IMAGE FORMING APPARATUS A method for controlling an image forming apparatus is disclosed. An image pattern is developed both by a DC developing process using a developing bias voltage of only a DC voltage and by an AC+DC developing process using a developing bias voltage of a DC voltage overla... | 07/09/2009 |
| 20090129804 | IMAGE GENERATING APPARATUS AND CALIBRATION METHOD THEREFOR To correct distortion in an optical system of an optical scanning, electrophotographic image generating apparatus, a parallel line group 107′ is printed by a printing apparatus to be calibrated on a sheet on which a correction pattern 101 has been printe... | 05/21/2009 |
| 20090067870 | IMAGE FORMING APPARATUS AND CONTROL METHOD OF THE SAME A test pattern image stored in advance is printed on a paper sheet. When the printed test pattern image is scanned by a scanning unit, a difference between the density of the scanned test pattern image and absolute density set in advance is detected. An exposure amount ... | 03/12/2009 |
| 20080292338 | IMAGE FORMING APPARATUS An image forming apparatus includes an image carrier, an image forming member, a transferer, a toner image detector, and a controller. The transferer transfers the toner image from the image carrier directly or indirectly onto a recording medium transported by a surface... | 11/27/2008 |
| 20080292350 | Tetris - based system for scheduling functions in a printing apparatus In a printing apparatus having a rotatable imaging member and means for performing a selected one of a plurality of operations on a portion of the rotatable imaging member, a set of metaphorical “bricks” are used to schedule operations. For an operation of a first t... | 11/27/2008 |
