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    • 4. 发明专利
    • Image forming apparatus and detection method
    • 图像形成装置和检测方法
    • JP2006276284A
    • 2006-10-12
    • JP2005093155
    • 2005-03-28
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • OGATA KENTAANDO MAKOTO
    • G03G15/00G03G15/01
    • PROBLEM TO BE SOLVED: To use a registration control sensor also as a process control sensor, while avoiding degradation in density detection accuracy. SOLUTION: The color image forming apparatus provided with a plurality of image forming parts implements first, second and third steps: the first step in which registration control patches constituted in such a manner that a preset reference color region and other color regions are formed at predetermined intervals are formed on an intermediate transfer body with first and second densities; the second step in which each registration control patch formed on the intermediate transfer body is analyzed and the out of registrations of the other colors from the reference color in each registration control patch is detected in each of the other colors; and the third step in which the difference between the out of registrations detected in the first density registration control patch and in the second density registration control patch is converted into a density deviation from the reference color in accordance with the correlations between the density deviations and out of registrations of the other colors from the reference color, in each of the other colors. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:也可以使用配准控制传感器作为过程控制传感器,同时避免浓度检测精度的降低。 设置有多个图像形成部件的彩色图像形成装置实现第一,第二和第三步骤:第一步骤,其中配置控制贴片以预设的参考色彩区域和其它颜色区域的方式构成 以具有第一和第二密度的中间转印体形成预定间隔; 分析形成在中间转印体上的每个注册控制贴片的第二步骤,并且以每种其他颜色检测每个注册控制贴片中的参考颜色的其它颜色的注入; 以及第三步骤,其中根据密度偏差和输出之间的相关性,在第一密度注册控制块和第二密度注册控制块中检测到的注册之间的差异被转换为与参考颜色的密度偏差 其他颜色的参考颜色的其他颜色的注册。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Image forming device
    • 图像形成装置
    • JP2006264900A
    • 2006-10-05
    • JP2005085918
    • 2005-03-24
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • KAZAMA TOSHIYUKIANDO MAKOTO
    • B65H85/00B41J29/46G03G15/00G03G21/14H04N1/00
    • PROBLEM TO BE SOLVED: To provide an image forming device capable of maintaining image positioning accuracy by reading a pattern image with one reading means even in the case of forming both surfaces of a paper sheet with a pattern for control, and easily restricting displacement of image forming position. SOLUTION: One reading means 50 for reading a specified pattern to be formed in the paper sheet P is arranged on the way of a paper sheet conveying path extended from a paper sheet reversing and re-feeding path R05, and the specified pattern is formed in each of the both surfaces in a preset adjustment sequence. When reading image forming position of the specified pattern formed in the second surface of the paper sheet, the paper sheet is fed to the paper sheet reversing and re-feeding path R05 to idly convey the paper sheet inside the device after the image of the second surface is fixed, and the first surface and the second surface of the paper sheet can be read by one reading means 50. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够通过用一个读取装置读取图案图像来保持图像定位精度的图像形成装置,即使在形成具有用于控制的图案的纸张的两个表面的情况下,并且容易地限制 图像形成位置的位移。 解决方案:用于读取在纸张P中形成的指定图案的一个读取装置50布置在从纸张反转和再馈送路径R05延伸的纸张传送路径的路径上,并且指定的图案 以预设的调整顺序形成在两个表面的每一个中。 当读取形成在纸张的第二表面中的指定图案的图像形成位置时,纸张被馈送到纸张反转和再馈送路径R05,以便在第二个图像的图像之后将纸张空闲地传送到设备内部 表面是固定的,并且纸张的第一表面和第二表面可以由一个读取装置50读取。版权所有:(C)2007,JPO&INPIT
    • 6. 发明专利
    • Image forming apparatus
    • 图像形成装置
    • JP2006085031A
    • 2006-03-30
    • JP2004272112
    • 2004-09-17
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • KATO TAKESHITAGAWA KOZOANDO MAKOTOMATSUZAKI YOSHIKIGOTO OSAMU
    • G03G15/01G03G15/00H04N1/23
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus which improves the quality of an image. SOLUTION: The image forming apparatus comprises a color shift amount detector 40 for detecting the shift amount in a toner image formed by photoreceptors 11Y, 11M, 11C and 11K and an image forming position adjusting part 50 for adjusting the forming position for each toner image formed to each of the photoreceptors 11Y, 11M, 11C and 11K. Adjustment is made in forming positions of each toner image formed on each of the photoreceptors 11Y, 11M, 11C and 11K so that the adjusted amount in the forming position of the toner images of color K set before hand among toner images of colors Y, M, C and K is minimum under the condition that the adjusted amount of the forming positions of the toner images of the colors of Y, M, C and K are kept within a specified range. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种提高图像质量的图像形成装置。 解决方案:图像形成装置包括色移量检测器40,用于检测由感光体11Y,11M,11C和11K形成的调色剂图像中的移动量,以及用于调整每个图像形成位置的成像位置的图像形成位置调整部50 形成于各感光体11Y,11M,11C,11K的调色剂图像。 在形成在每个感光体11Y,11M,11C和11K上的每个调色剂图像的形成位置进行调整,使得在颜色Y,M的调色剂图像中设置的颜色K的调色剂图像的成色位置的调整量 在Y,M,C和K的颜色的调色剂图像的形成位置的调整量保持在规定范围内的条件下,C和K最小。 版权所有(C)2006,JPO&NCIPI
    • 7. 发明专利
    • Image forming apparatus and method for regulation of image forming apparatus
    • 图像形成装置和图像形成装置的调节方法
    • JP2005221582A
    • 2005-08-18
    • JP2004027225
    • 2004-02-03
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • KAZAMA TOSHIYUKIANDO MAKOTO
    • B41J29/38B41J3/60B41J29/46G03G15/00G03G21/00G03G21/14
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of maintaining the accuracy of an image position by suppressing the shift of an image forming position due to en environmental change, deterioration with lapse of time and a method for regulation thereof. SOLUTION: In a regulation sequence, the specific pattern that a memory section 3 memorizes is formed on paper by an image forming section 1 and the image forming position of the specific pattern is read by a reading section 4. The image forming position of the obtained specific pattern and the position information of the specific pattern that the memory section 3 memorizes are compared and the amount of the shift in each section of the image forming section 12 is calculated in an amount-of-shift calculation section 5. A regulation section 2 regulates the each section of the image forming section 1 based on the calculated amount of the shift. Such regulation sequence is performed separately from the ordinary image formation sequence or is performed by being interrupted during the course of the ordinary image forming sequence to form a number of sheets of the images. As a result, the images are formed by always exactly aligning the image forming apparatus. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够通过抑制由于环境变化导致的图像形成位置的偏移,随时间流逝的劣化以及其调节方法而能够保持图像位置的精度的图像形成装置。 解决方案:在调节顺序中,存储部分3存储的特定图案由图像形成部分1形成在纸上,并且特定图案的图像形成位置由读取部分4读取。图像形成位置 比较所获得的特定图案和存储部分3存储的特定图案的位置信息,并且在移位计算部分5中计算图像形成部分12的每个部分中的偏移量。 调节部分2基于所计算的偏移量来调节图像形成部分1的每个部分。 这种调节顺序与普通图像形成顺序分开执行,或者在普通图像形成顺序的过程中被中断执行,以形成多张图像。 结果,通过总是精确对准图像形成装置来形成图像。 版权所有(C)2005,JPO&NCIPI
    • 8. 发明专利
    • Image adjusting method, image forming device, image adjusting program and storing medium
    • 图像调整方法,图像形成装置,图像调整程序和存储介质
    • JP2005176019A
    • 2005-06-30
    • JP2003414553
    • 2003-12-12
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • ANDO MAKOTOKAZAMA TOSHIYUKI
    • B41J21/00G03G15/00G03G21/00H04N1/00
    • PROBLEM TO BE SOLVED: To provide an image forming device and an image adjusting method by which adjusting operations are efficiently performed and a uniformly adjusted state can be always obtained. SOLUTION: When adjustment is performed at an image forming part 1, an image such as a test chart is formed on a recording material by the image forming part 1 and the image formed on the recording material is read by a reading part 2. Necessity of adjustment is judged according to the image data read by the reading part 2, and the amount of adjustment is calculated and is set in a storing part 4 by an adjusting part 3. At the setting process step, adjustment of the shape of the image itself is performed such as adjustment of parallelism, squareness, magnification and the like is performed in first and then adjustment of image forming position for adjusting the position of the image with respect to the recording material such as adjustment of side skew, lead registration, side registration, front and rear registration and the like. In this way, by controlling the order of adjustment operations, needless operations such as repetition of adjustment are prevented and a uniformly adjusted state is ensured. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够有效地进行调整操作的图像形成装置和图像调整方法,并且可以总是获得均匀调整的状态。 解决方案:当在图像形成部分1进行调整时,通过图像形成部分1在记录材料上形成诸如测试图的图像,并且由读取部分2读取形成在记录材料上的图像 根据由读取部分2读取的图像数据判断调整的必要性,并且通过调节部分3计算调整量并将其设置在存储部分4中。在设置处理步骤中,调整形状 执行图像本身,如首先执行调整平行度,矩形度,放大率等,然后调整用于调整图像相对于记录材料的位置的图像形成位置,例如侧偏斜的调整,引导配准 ,侧面登记,前后配准等。 以这种方式,通过控制调整操作的顺序,防止了不必要的操作,例如重复调节,并且确保了均匀调整的状态。 版权所有(C)2005,JPO&NCIPI
    • 9. 发明专利
    • Image forming device
    • 图像形成装置
    • JP2005088329A
    • 2005-04-07
    • JP2003324144
    • 2003-09-17
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • MITAMURA YOSHIHIKOANDO MAKOTOTAGAWA KOZOKOBAYASHI SUSUMUNISHIKAWA SATOSHIRAI KAHEI
    • B41J2/01B41J11/02B41J13/00B65H5/02B65H5/38
    • PROBLEM TO BE SOLVED: To prevent paper from jamming in transferring paper and avoid an image quality defect to obtain stable images by stabilizing the transfer of papers.
      SOLUTION: The paper P taken out from a paper feeding tray 14 is sent so that a center line M in a width direction agrees with a center line N in a width direction of an upstream side transfer part 21A. The printed paper P has both end parts uniformly protruded at the upstream side transfer part 21A and a downstream side transfer part 21B, or is supported on a transfer belt 38. The paper P printed to the paper P is prevented from being pulled towards the side where the paper P is greatly protruded because one end part is greatly protruded from on the transfer belt 38 by the weight of ink.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了防止纸张传送纸张卡纸,避免图像质量缺陷,通过稳定纸张的传送来获得稳定的图像。

      解决方案:从供纸盘14取出的纸张P被送出,使得宽度方向的中心线M与上游侧传送部21A的宽度方向的中心线N一致。 打印纸P的两端部均匀地在上游侧传送部分21A和下游侧传送部分21B上突出,或被支撑在传送带38上。打印到纸张P上的纸张P被阻止朝向侧面 其中纸张P大大地突出,因为一个端部通过油墨的重量从转印带38上大大地突出。 版权所有(C)2005,JPO&NCIPI