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1. 发明专利

JP2014092656A Developer and image forming apparatus 审中-公开
标题翻译：开发者和图像形成装置
公开(公告)号：JP2014092656A
公开(公告)日：2014-05-19
申请号：JP2012242656
申请日：2012-11-02
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： KAWAMATA SHINICHI , SATO KUNIHIKO , TAKAHASHI SAKON , FURUYA NOBUMASA , ARAI KAZUHIKO , TAKAHASHI MASAAKI , NISHIMURA KOJI , HARUYAMA DAISUKE
IPC分类号： G03G9/08 , G03G15/16 , G03G21/10
CPC分类号： G03G21/0064 , G03G15/751
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus or the like capable of suppressing deterioration in secondary transfer efficiency of a toner image from an intermediate transfer belt to a transferred recording material even when fluororesin particles exposed from a surface layer having the fluororesin particles scattered thereon, of an intermediate transfer belt drop off the surface layer due to a plate member of a cleaning device contacting with an external surface including the surface layer.SOLUTION: An image forming apparatus comprises: an intermediate transfer belt which rotates while transferring to an external surface including a surface layer having fluororesin particles scattered thereon a developer image developed with a developer including toner having external additives attached thereto, and then conveying the transferred image to a secondary transfer part for retransferring it to a transferred recording material; and a cleaning device which includes a plate member for removing residual toner by contacting with the external surface of the intermediate transfer belt having passed the secondary transfer part. The developer is used as a developer, having toner whose external additives are not sphere shaped but irregular shaped, and the volume average particle diameter of the irregular shaped external additives is smaller than the average particle diameter of the fluororesin particles exposed from the surface layer of the intermediate transfer belt.
摘要翻译：要解决的问题：即使当从具有氟树脂颗粒的表面层暴露的氟树脂颗粒散射时，也可以提供能够抑制调色剂图像从中间转印带到转印记录材料的二次转印效率的劣化的图像形成装置等由于与包括表面层的外表面接触的清洁装置的板构件，中间转印带从中间转印带掉落。解决方案：图像形成装置包括：转印到外部的中间转印带表面包括其上分散有氟树脂颗粒的表面层，其上显影剂显影剂包括附着有外部添加剂的调色剂，然后将转印的图像传送到二次转印部分以再转印到转印的记录材料上; 以及清洁装置，其包括用于通过与经过二次转印部分的中间转印带的外表面接触来除去残留调色剂的板构件。显影剂用作显影剂，其外用添加剂不是球形但不规则形状的调色剂，并且不规则形状的外部添加剂的体积平均粒径小于从表面层暴露的氟树脂颗粒的平均粒径中间转印带。

2. 发明专利

JP2013105046A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2013105046A
公开(公告)日：2013-05-30
申请号：JP2011249078
申请日：2011-11-14
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： HARUYAMA DAISUKE
IPC分类号： G03G5/147 , G03G9/08 , G03G21/10
CPC分类号： G03G5/14704 , G03G5/14726 , G03G5/14786 , G03G15/75
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus being capable of suppressing the occurrence of image deletion while maintaining a wear resistance even when it is repeatedly used.SOLUTION: There is provided an image forming apparatus 100, which comprises: an electrophotographic photoreceptor 7 having a surface protection layer containing fluorine-based resin particles and a fluorinated alkyl group containing copolymer; developing means 11 which stores a developer containing toner particles and zinc stearate and develops an electrostatic image formed on the surface of the electrophotographic photoreceptor to form a toner image; and cleaning means 13 for removing the developer remaining on the surface of the electrophotographic photoreceptor, wherein when the surface of the electrophotographic photoreceptor is analyzed by an X-ray photoelectron spectroscopy (XPS) after rotating the electrophotographic photoreceptor 50000 times by repeatedly forming an image having the image part and the non-image part and an image density of 7%, the zinc coverage satisfies the following expression (1). 50%≤zinc coverage≤100% (1)
摘要翻译：要解决的问题：提供一种图像形成装置，即使在重复使用时也能够在保持耐磨性的同时抑制图像删除的发生。解决方案：提供一种图像形成装置100，其包括：具有包含氟基树脂颗粒和含氟烷基的共聚物的表面保护层的电子照相感光体7; 存储含有调色剂颗粒和硬脂酸锌的显影剂的显影装置11，并且形成在电子照相感光体的表面上形成的静电图像以形成调色剂图像; 以及用于除去电子照相感光体表面残留的显影剂的清洁装置13，其中当通过X射线光电子能谱（XPS）分析电子照相感光体50000次之后，通过反复形成具有图像部分和非图像部分，图像密度为7％，锌覆盖率满足下式（1）。 50％≤锌含量≤100％（1）版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2011069904A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2011069904A
公开(公告)日：2011-04-07
申请号：JP2009219443
申请日：2009-09-24
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMASHITA NORIYUKI , NAKAMURA MITSUHIDE , HARUYAMA DAISUKE
IPC分类号： G03G21/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus that prevents irregularities of an image caused by discharging light, in comparison with the case where an image holder is irradiated with light including a light absorbing wavelength of a product originated in a curing catalyst included in a surface layer of the image holder, as the discharging light. SOLUTION: In the image forming apparatus 10, a light absorbing wavelength of a charge generation material included in a photosensitive layer (namely, a charge generation layer) of the image holder 7 is different from the light absorbing wavelength of the surface layer of the image holder 7, and a wavelength of the discharging light irradiated from a discharging device 20 is a wavelength other than the light absorbing wavelength of the surface layer. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种图像形成装置，与图像保持器照射包含产生于固化中的产品的光吸收波长的光相比，可以防止由于放电引起的图像的不规则性的图像形成装置包括在图像保持器的表面层中的催化剂作为放电光。解决方案：在图像形成装置10中，包括在图像保持器7的感光层（即，电荷产生层）中的电荷产生材料的光吸收波长与表面层的光吸收波长不同并且从放电装置20照射的放电光的波长是除表面层的光吸收波长以外的波长。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2010122583A Electrophotographic photoreceptor, process cartridge and image forming apparatus 审中-公开
标题翻译：电子照相机，过程盒和图像形成装置
公开(公告)号：JP2010122583A
公开(公告)日：2010-06-03
申请号：JP2008297882
申请日：2008-11-21
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： HARUYAMA DAISUKE , IWASAKI MASAHIRO , SAITO YUTAKA
IPC分类号： G03G5/147 , G03G5/07 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor wherein wear difference between an image part and a non-image part is reduced without depending on the release rate of metal oxide particles in a toner, and filming is suppressed.
SOLUTION: The electrophotographic photoreceptor includes a conductive substrate and a photosensitive layer formed on a surface of the conductive substrate, wherein an outermost surface layer of the photosensitive layer comprises a crosslinked product using at least one selected from a guanamine compound and a melamine compound, and a charge transport material having at least one substituent selected from -OH, -OCH
3 , -NH
2 , -SH and -COOH, and the content of the charge transport material in the outermost surface layer is ≥80 mass%, and the surface of the photosensitive layer has a universal hardness of 150-220 N/mm
2 and an elastic deformation rate of 45-65%.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种其中图像部分和非图像部分之间的磨损差降低而不依赖于调色剂中的金属氧化物颗粒的释放速率并且抑制成膜的电子照相感光体。电子照相感光体包括形成在导电性基材的表面上的导电性基材和感光层，其中感光层的最表面层包含使用选自胍胺化合物和三聚氰胺中的至少一种的交联产物化合物和具有至少一个选自-OH，-OCH 3 S，-SH 2，-SH和-COOH的取代基的电荷输送材料，其含量最外表面层中的电荷输送材料为≥80质量％，感光层的表面的通用硬度为150-220N / mm 2 ，弹性变形率为45-65％。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2014063056A Image forming device and process cartridge 有权
标题翻译：图像形成装置和过程盒
公开(公告)号：JP2014063056A
公开(公告)日：2014-04-10
申请号：JP2012208512
申请日：2012-09-21
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： HARUYAMA DAISUKE
IPC分类号： G03G5/147 , G03G5/05 , G03G5/06 , G03G5/07 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To prevent a streaky image defect from being generated at the beginning of use.SOLUTION: An image forming device includes: an electrophotographic photoreceptor 7 including a fluorine resin particle and fluoroalkyl group-containing copolymer in an outermost surface layer; a charging device 8 for charging the electrophotographic photoreceptor 7; latent image forming means (exposure device 9) for forming an electrostatic latent image on the surface of the charged electrophotographic photoreceptor 7; a developing device 11 which develops the electrostatic latent image formed on the surface of the electrophotographic photoreceptor 7 with developer containing toner, to form a toner image; a transfer device 40 for transferring the toner image formed on the surface of the electrophotographic photoreceptor 7 to a recording medium; and cleaning means having a cleaning member 133 configured to form a portion in contact with the electrophotographic photoreceptor 7 with melamine resin foam.
摘要翻译：要解决的问题：为了防止在开始使用时产生条纹图像缺陷。图像形成装置包括：在最外表面层中包含氟树脂颗粒和含氟烷基的共聚物的电子照相感光体7; 用于对电子照相感光体7充电的充电装置8; 用于在带电电子照相感光体7的表面上形成静电潜像的潜像形成装置（曝光装置9）显影装置11，其利用含有调色剂的显影剂显影形成在电子照相感光体7的表面上的静电潜像，以形成调色剂图像; 用于将形成在电子照相感光体7的表面上的调色剂图像转印到记录介质上的转印装置40; 以及具有清洁构件133的清洁装置，该清洁构件133被配置为与三聚氰胺树脂泡沫形成与电子照相感光体7接触的部分。

6. 发明专利

JP2012203253A Electrophotographic photoreceptor, image forming apparatus, and process cartridge 审中-公开
标题翻译：电子照相机，图像形成装置和工艺盒
公开(公告)号：JP2012203253A
公开(公告)日：2012-10-22
申请号：JP2011068746
申请日：2011-03-25
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMANO YUKO , IWASAKI MASAHIRO , YAMAMOTO SHINYA , HARUYAMA DAISUKE
IPC分类号： G03G5/07 , G03G5/05 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To suppress the accumulation of residual potential even after repeated static charging and elimination.SOLUTION: An electrophotographic photoreceptor includes a conductive substrate 1, and a photosensitive layer 2 on the conductive substrate 1. The surface layer of the photosensitive layer 2 (protective layer 2C) contains: at least one compound selected from a guanamine compound and a melamine compound; a cross-linked product of a charge transport material having at least one substituent group selected from -OH, -OCH, -HN, -SH, and -COOH; an oligomer containing fluororesin particles and fluorine atoms; and at least one solvent selected from a lower alcohol solvent having 6 or less carbon atoms, a keton-based solvent, an ether-based solvent, an ester-based solvent, and a hydrocarbon-based solvent. The content ratio of the charge transport material in the surface layer (protection layer 2C) is 85% or more.
摘要翻译：要解决的问题：即使在反复静电充电和消除之后也能抑制残余电位的累积。电子照相感光体包括导电基板1和导电基板1上的感光层2.感光层2（保护层2C）的表面层包含：至少一种选自胍胺化合物和三聚氰胺化合物具有至少一个选自-OH，-OCH 3 ，-HN 2的取代基的电荷输送材料的交联产物， SB>，-SH和-COOH; 含有氟树脂颗粒和氟原子的低聚物; 和选自碳原子数6以下的低级醇溶剂，酮系溶剂，醚系溶剂，酯类溶剂，烃类溶剂中的至少一种溶剂。表层（保护层2C）中的电荷输送材料的含有率为85％以上。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2011008099A Electrophotographic photoreceptor, image forming apparatus and process cartridge 有权
标题翻译：电子照相机，图像形成装置和工艺盒
公开(公告)号：JP2011008099A
公开(公告)日：2011-01-13
申请号：JP2009152541
申请日：2009-06-26
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NAKAMURA HIROSHI , MATSUKI KEIKO , HIRAHARA SHINGO , SUGA TAKANORI , HARUYAMA DAISUKE , SAKASHITA HIROICHI , IWASAKI MASAHIRO , YAMASHITA NORIYUKI , NAKAMURA MITSUHIDE
IPC分类号： G03G5/147 , G03G5/14
CPC分类号： G03G5/144 , G03G5/0542 , G03G5/0564 , G03G5/0592 , G03G5/0614 , G03G5/0696 , G03G5/1476 , G03G5/14769
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor capable of suppressing the occurrence of image deletion, while suppressing residual potential.SOLUTION: The electrophotographic photoreceptor includes a conductive substrate; an intermediate layer; a photosensitive layer; and a surface layer, in this order, and the surface layer includes two or more kinds of charge transport materials having differing ionization potentials, each having a reactive substituent, in an amount of 90 mass% or more, relative to the total solid content of the surface layer, and the content ratio X of each of the two or more kinds of the charge transport materials satisfying formula (1): X(n-1)≥X(n), in which X(n) represents the content ratio (mass%) of a charge transport material that has the n-th highest ionization potential among the two or more kinds of the charge transport materials; X(n-1) represents the content ratio (mass%) of a charge transport material that has the (n-1)-th highest ionization potential between the two or more kinds of the charge transport materials; and n is a variable of two or more and represents an integer equal to or lower than the number of kinds of the charge transport materials contained in the surface layer.
摘要翻译：要解决的问题：提供能够抑制图像缺失的发生同时抑制残留电位的电子照相感光体。解决方案：电子照相感光体包括导电性基材; 中间层感光层; 和表面层，并且表面层包含相对于总固体含量为90质量％以上的具有反应性取代基的具有不同电离电位的两种以上的电荷输送材料满足式（1）：X（n-1）≥X（n）的两种或更多种电荷输送材料的表面层和含量比X，其中X（n）表示含量比在两种或更多种电荷输送材料中具有第n高电离电位的电荷输送材料的质量％（质量％）; X（n-1）表示两种或更多种电荷输送材料之间具有第（n-1）个最高电离电位的电荷输送材料的含量比（质量％）; n为2以上的变量，表示包含在表面层中的电荷输送材料的种类的数量以下的整数。

8. 发明专利

JP2007086202A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2007086202A
公开(公告)日：2007-04-05
申请号：JP2005272612
申请日：2005-09-20
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： HARUYAMA DAISUKE , YAMADA WATARU , ESUMI TETSUYA , YAMASHITA NORIYUKI , NAKAMURA KAZUYUKI , MISHINA KENICHI
IPC分类号： G03G5/147 , G03G5/04 , G03G5/047 , G03G5/05 , G03G5/06 , G03G5/07 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus that can sufficiently suppress generation of picture quality abnormality such as image deletion even when image formation is carried out for a long period of time, and that can keep favorable cleaning property for a long period of time. SOLUTION: The image forming apparatus is equipped with an electrophotographic photoreceptor 100 having a conductive support 3 and a photosensitive layer 6, a charging means 8, an exposing means 10, a developing means 11, a transfer means 12 and a cleaning means 13. The photosensitive layer 6 has an outermost layer produced by curing a curable resin composition containing a phenolic resin. The cleaning means 13 has a cleaning blade 13a having a base layer 23 and an edge layer 22 with higher hardness than the base layer 23. The dynamic frictional coefficient between the electrophotographic photoreceptor 100 and the cleaning blade 13 in a contact portion is 0.9 or less. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供即使长时间进行图像形成也能够充分抑制图像删除等图像质量异常的生成的图像形成装置，并且能够保持良好的清洗性能很长一段时间解决方案：图像形成装置配备有具有导电支撑件3和感光层6的电子照相感光体100，充电装置8，曝光装置10，显影装置11，转印装置12和清洁装置感光层6具有通过固化含有酚醛树脂的固化性树脂组合物而制成的最外层。清洁装置13具有清洁刮板13a，其具有基底层23和硬度高于基底层23的边缘层22.接触部分中电子照相感光体100和清洁刮板13之间的动态摩擦系数为0.9以下。版权所有（C）2007，JPO＆INPIT

9. 发明专利

JP2013200415A Electrophotographic photoreceptor, process cartridge, and image forming apparatus 审中-公开
标题翻译：电子照相机，过程盒和图像形成装置
公开(公告)号：JP2013200415A
公开(公告)日：2013-10-03
申请号：JP2012068289
申请日：2012-03-23
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： KORENAGA JIRO , HARUYAMA DAISUKE
IPC分类号： G03G5/147
CPC分类号： G03G5/0614 , G03G5/0607 , G03G5/064 , G03G5/076 , G03G5/14786 , G03G5/14791 , G03G5/14795 , G03G15/75
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that suppresses image density unevenness due to poor cleaning that occurs after forming repeated images.SOLUTION: An electrophotographic photoreceptor includes a conductive substrate, and a photosensitive layer provided on the conductive substrate. The electrophotographic photoreceptor further includes an outermost surface layer that comprises a cured film of a composition including at least two reactive charge transport materials selected respectively from a first reactive charge transport material having -OH group as a reactive functional group and a second reactive charge transport material having -OCHgroup as a reactive functional group. The elastic deformation rate R of the outermost surface layer satisfies the following formula (1): 0.40≤R≤0.51.
摘要翻译：要解决的问题：提供一种电子照相感光体，其抑制由于在形成重复图像之后发生的不良清洁而导致的图像浓度不均匀。解决方案：电子照相感光体包括导电基底和设置在导电基底上的感光层。电子照相感光体还包括最外表面层，其包含组合物的固化膜，该组合物包含分别选自具有-OH基作为反应性官能团的第一反应性电荷传输材料和第二反应性电荷传输材料的至少两种反应性电荷传输材料具有-OCH基团作为反应性官能团。最外表层的弹性变形率R满足下式（1）：0.40≤R≤0.51。

10. 发明专利

JP2012173362A Image forming apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2012173362A
公开(公告)日：2012-09-10
申请号：JP2011032568
申请日：2011-02-17
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： HARUYAMA DAISUKE , IWASAKI MASAHIRO , YAMANO YUKO
IPC分类号： G03G5/147 , G03G5/06 , G03G5/07 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus maintaining wear resistance and suppressing occurrence of image deletion even when the apparatus is repeatedly used.SOLUTION: The image forming apparatus includes: an electrophotographic photoreceptor in which an outermost surface layer contains fluorine-based resin particles and a fluorinated alkyl group-containing copolymer and satisfies expression (1): 10≤A×B≤50; charging means for charging the photoreceptor; latent image forming means for forming an electrostatic latent image on a surface of the charged photoreceptor; developing means for developing the electrostatic latent image formed on the surface of the photoreceptor by using a developer containing toner to form a toner image; transfer means for transferring the toner image formed on the surface of the photoreceptor onto a recording medium; and cleaning means for removing the developer remaining on the surface of the photoreceptor. In the expression (1), A represents the total content [mass%] of the fluorine-based resin particles and the fluorinated alkyl group-containing copolymer included in the outermost surface layer and B represents a wear amount [nm] of the outermost surface layer when the electrophotographic photoreceptor is rotated 1,000 times.
摘要翻译：要解决的问题：即使当重复使用该装置时，提供保持耐磨性并抑制图像删除的发生的图像形成装置。解决方案：图像形成装置包括：电子照相感光体，其中最表面层含有氟基树脂颗粒和含氟烷基的共聚物，满足式（1）：10≤A×B≤50; 用于对感光体充电的充电装置; 用于在带电感光体的表面上形成静电潜像的潜像形成装置; 显影装置，用于通过使用含有调色剂的显影剂形成调色剂图像来显影形成在感光体表面上的静电潜像; 用于将形成在感光体表面上的调色剂图像转印到记录介质上的转印装置; 以及用于去除保留在感光体表面上的显影剂的清洁装置。式（1）中，A表示最外表面层中含有的氟系树脂粒子和含氟烷基的共聚物的总含量[质量％]，B表示最外表面的磨损量[nm] 当电子照相感光体旋转1000次时。版权所有（C）2012，JPO＆INPIT

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