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1. 发明专利

JP2014149501A Image forming apparatus, and process cartridge 有权
标题翻译：图像形成装置和处理盒
公开(公告)号：JP2014149501A
公开(公告)日：2014-08-21
申请号：JP2013019573
申请日：2013-02-04
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： KORENAGA JIRO , NAKAMURA HIROSHI , HAYASHI YOSHIYUKI
IPC分类号： G03G5/14 , G03G5/05 , G03G5/147 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus having excellent gradation.SOLUTION: An image forming apparatus includes: an electrophotographic photoreceptor provided with an undercoat layer containing metal oxide particles and an anthraquinone derivative represented by the general formula (1), and a surface protective layer containing a polymer polymerized with a reactive charge transport material having a hydroxyl group and a reactive charge transport material having an alkoxy group; a charging device; an exposure device; a developing device that accommodates a developer including a toner having a volume average particle diameter of 4.0 μm or less; and a transfer device. In the general formula (1), n1 and n2 represent an integer of 0 or more and 3 or less and at least one of n1 and n2 represents integer of 1 or more and 3 or less; m1 and m2 represent an integer of 0 or 1; Rand Rrepresent an alkyl group and an alkoxy group having 1 to 10 carbon atoms; and r represents an integer of 10 or more.
摘要翻译：要解决的问题：提供具有优异等级的图像形成装置。图像形成装置包括：电子照相感光体，其设置有含有金属氧化物颗粒的底涂层和由通式（1）表示的蒽醌衍生物，和含有与具有羟基的反应性电荷输送材料聚合的聚合物的表面保护层和具有烷氧基的反应性电荷输送材料; 充电装置; 曝光装置; 显影装置，其容纳包含体积平均粒径为4.0μm以下的调色剂的显影剂; 和转移装置。在通式（1）中，n1和n2表示0以上且3以下的整数，n1和n2中的至少一个表示1以上3以下的整数， m1和m2表示0或1的整数; 兰替兰烷基和具有1-10个碳原子的烷氧基; r表示10以上的整数。

2. 发明专利

JP2011203472A Electrophotographic photoreceptor and method for producing the same, process cartridge, and electrophotographic image forming apparatus 审中-公开
标题翻译：电子照相机及其制造方法，工艺盒和电子影像成像装置
公开(公告)号：JP2011203472A
公开(公告)日：2011-10-13
申请号：JP2010070465
申请日：2010-03-25
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： KORENAGA JIRO
IPC分类号： G03G5/00 , G03G5/043
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor which maintains a certain range when a surface potential drops by exposure.SOLUTION: The electrophotographic photoreceptor is equipped with: a substrate; a charge generation layer provided on the substrate; and a charge transport layer provided on the charge generation layer. In a load test A, a cycle in which the electrophotographic photoreceptor is electrostatically charged to -700 V, exposed, and electrostatically discharged to -100 V, is repeated 60 times. The load test A is performed on the electrophotographic photoreceptor by changing exposure intensity within the range of 0-3.0 mJ/m, and the exposure intensity C when the maximum difference between surface potential before and after performing the load test A is obtained, is acquired. In a load test B, a cycle in which the electrophotographic photoreceptor is electrostatically charged to -700 V, exposed with the exposure intensity C, and electrostatically discharged to -100 V is repeated 100,000 times. After the load test B is performed on the electrophotographic photoreceptor, the difference between surface potential before and after performing the load test B is 10 V or less.
摘要翻译：要解决的问题：提供当通过曝光降低表面电位时保持一定范围的电子照相感光体。解决方案：电子照相感光体配备有：基材; 设置在基板上的电荷产生层; 以及设置在电荷产生层上的电荷传输层。在负载测试A中，将电子照相感光体静电充电至-700V，暴露并静电放电至-100V的循环重复60次。通过在0-3.0mJ / m的范围内改变曝光强度，并且获得在执行负载测试A之前的表面电位的最大差异时的曝光强度C，对电子照相感光体进行负载测试A. 。在载荷试验B中，将电子照相感光体静电充电至-700V，曝光强度C静电放电至-100V的循环重复100,000次。在电子照相感光体上进行负荷试验B后，进行负荷试验B前后的表面电位差为10V以下。

3. 发明专利

JP2014164127A Image forming apparatus and process cartridge 有权
标题翻译：图像形成装置和处理盒
公开(公告)号：JP2014164127A
公开(公告)日：2014-09-08
申请号：JP2013035080
申请日：2013-02-25
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NAKAMURA HIROSHI , KORENAGA JIRO
IPC分类号： G03G5/14 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which forms an image with excellent thin-line reproducibility.SOLUTION: The image forming apparatus includes an electrophotographic photoreceptor 7 having an undercoat layer containing an electron-accepting compound having a binder resin, a metal oxide particle, and an acidic group, and having impedance of 1×10to 1×10Ω. When surface potential of the electrophotographic photoreceptor charged by charging means (a charging apparatus 8) is V(V), surface potential of an exposure unit of the electrophotographic photoreceptor exposed by exposure means (an exposure apparatus 10) is V(V), and a voltage to be applied to a developer holding body is V(V), (1):|V|≥800, (2):50≤|V-V|≤200, and (3):300≤|V-V|≤600 are satisfied.
摘要翻译：要解决的问题：提供一种形成具有优异的细线再现性的图像的图像形成装置。解决方案：图像形成装置包括具有底涂层的电子照相感光体7，该底涂层含有具有粘合剂树脂的电子接受性化合物，金属氧化物颗粒和酸性基团，阻抗为1×10〜1×10Ω。当通过充电装置（充电装置8）充电的电子照相感光体的表面电位为V（V）时，通过曝光装置（曝光装置10）曝光的电子照相感光体的曝光单元的表面电位为V（V），并且施加到显影剂保持体的电压为V（V），（1）：| V |≥800，（2）：50≤| VV |≤200，（3）：300≤| VV |≤600 满意

4. 发明专利

JP2013044820A Image forming apparatus and process cartridge 有权
标题翻译：图像形成装置和处理盒
公开(公告)号：JP2013044820A
公开(公告)日：2013-03-04
申请号：JP2011181015
申请日：2011-08-22
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： KORENAGA JIRO , NUKADA KATSUMI , YAMADA WATARU , IWADATE YUKO , SASAKI TOMOYA , KAJIWARA KENJI
IPC分类号： G03G5/07 , G03G5/047 , G03G5/06 , G03G5/147 , G03G9/08 , G03G15/00 , G03G21/10
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of obtaining an image in which occurrence of a black spotty image defect is suppressed over a long period of time.SOLUTION: An image forming apparatus includes: a photoreceptor which includes a surface layer including a polymer of a compound of general formula (II) or a similar specified compound and in which relation among a surface layer film thickness d, a surface potential P after electricity removal, and a surface potential Pafter electricity removal when the surface layer film thickness d is 0 satisfies (P-P)/d≤1.20; a development device which develops with a toner whose SF1 is 100 or more and 130 or less; and a cleaning blade whose 100% modulus M is 3.92 MPa or more and 29.42 Pa or less. F represents a charge transporting skeleton, L' represents a linking group of the specified structure, m' represents an integer of 1 or more and 6 or less, and n represents an integer of 2 or more and 3 or less.
摘要翻译：解决的问题：提供能够获得长时间抑制黑斑图像缺陷的发生的图像的图像形成装置。解决方案：图像形成装置包括：感光体，其包括包含通式（II）的化合物或类似的指定化合物的聚合物的表面层，其中表面层膜厚度d，表面电位在表面层膜厚度d为0时，除电后的表面电位P 0 满足（PP 0 ）/ d 2 ≤1.20; 显影装置，其利用SF1为100以上且130以下的调色剂显影; 100％模量M为3.92MPa以上且29.42Pa以下的清扫刮板。 F表示电荷输送性骨架，L'表示规定结构的连接基团，m'表示1以上6以下的整数，n表示2以上3以下的整数。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2011022411A Electrophotographic photoreceptor, process cartridge and image forming apparatus 有权
标题翻译：电子照相机，过程盒和图像形成装置
公开(公告)号：JP2011022411A
公开(公告)日：2011-02-03
申请号：JP2009168006
申请日：2009-07-16
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： YAMANO YUKO , SUZUKI TAKAHIRO , YAMAMOTO SHINYA , NUKADA HIDEMI , ESUMI TETSUYA , KORENAGA JIRO , ISHIKAWA ISAMU , HOSHIO TAKUO , BANDO KOJI
IPC分类号： G03G5/05 , G03G5/047 , G03G15/02
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor for allowing the reproducibility (dot reproducibility) of the minimum pixel unit to be retrained from being deteriorated.
SOLUTION: The electrophotographic photoreceptor includes: an electroconductive substrate; and a photosensitive layer arranged on the electroconductive substrate and including at least a charge generation layer and a charge transport layer, and is characterized in that the charge transport layer includes organic particles, and a particle size distribution of the organic particles in an solution prepared by dissolving the charge transport layer in a solvent, satisfies an inequality (1): N
D≤0.3 μm /N≥0.7 (wherein N
D≤0.3 μm is the number of the organic particles of ≤0.3 μm particle size in 1 ml solution; and N is the number of all organic particles in 1 ml solution).
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种电子照相感光体，以使得再培训的最小像素单元的再现性（点再现性）不劣化。电解质感光体包括：导电性基材; 以及感光层，其设置在所述导电性基体上，并且至少包含电荷产生层和电荷输送层，其特征在于，所述电荷输送层包含有机粒子，所述有机粒子在由将电荷输送层溶解在溶剂中，满足不等式（1）：N D≤0.3μm /N≥0.7（其中N D≤0.3μm 在1ml溶液中粒径≤0.3μm的有机颗粒; N是1ml溶液中所有有机颗粒的数量）。版权所有（C）2011，JPO＆INPIT

6. 发明专利

JP2014145841A Electrophotographic photoreceptor, process cartridge, and image forming apparatus 有权
标题翻译：电子照相机，过程盒和图像形成装置
公开(公告)号：JP2014145841A
公开(公告)日：2014-08-14
申请号：JP2013013267
申请日：2013-01-28
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： KORENAGA JIRO , NAKAMURA HIROSHI , NAKAMURA MITSUHIDE
IPC分类号： G03G5/14
CPC分类号： G03G5/142 , G03G2215/00957
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that suppresses an increase in residual potential.SOLUTION: An electrophotographic photoreceptor comprises: a conductive base material 1; an undercoat layer that is provided on the conductive base material 1; and a photosensitive layer 3 that is provided on the undercoat layer. The undercoat layer 2 is an undercoat layer 2 containing a binder resin, metal oxide particles, and an electron-accepting compound having an acidic group. When a transmittance of the undercoat layer in a thickness of 20 μm to light having a wavelength of 1000 nm is T1, a transmittance of the undercoat layer in a thickness of 20 μm to light having a wavelength of 650 nm is T2, and a transmittance of the undercoat layer in a thickness of 20 μm to light of the maximum absorption peak wavelength of the electron-accepting compound having a wavelength in a range of 300 nm or more and 1000 nm or less is T3, the following formulas (1): 5≤T1/T2≤40, and (2): 0.25≤-log(T3) are satisfied.
摘要翻译：要解决的问题：提供抑制残留电位增加的电子照相感光体。解决方案：电子照相感光体包括：导电性基材1; 设置在导电性基材1上的底涂层; 以及设置在底涂层上的感光层3。底涂层2是含有粘合剂树脂，金属氧化物颗粒和具有酸性基团的电子接受性化合物的底涂层2。当厚度为20μm的底涂层对波长为1000nm的光的透射率为T1时，底涂层厚度为20μm的波长为650nm的光的透射率为T2，透射率对于波长在300nm以上且1000nm以下的受电子化合物的最大吸收峰值波长的光的厚度为20μm的底涂层为T3，下式（1）： 5≤T1/T2≤40，（2）：0.25≤-log（T3）。

7. 发明专利

JP2013178367A 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：JP2013178367A
公开(公告)日：2013-09-09
申请号：JP2012041934
申请日：2012-02-28
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： MATSUKI KEIKO , IWASAKI MASAHIRO , KORENAGA JIRO , NAKAMURA MITSUHIDE
IPC分类号： G03G5/147 , G03G21/10 , G03G21/18
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor that suppresses a reduction in resolution of images obtained through repeated image formation.SOLUTION: An electrophotographic photoreceptor 10 comprises a cured film of a composition containing at least one selected from a guanamine compound and a melamine compound, and at least one charge transport material having at least one substituent selected from -OH, -OCH, -NH, -SH, and -COOH. The electrophotographic photoreceptor 10 has a protective layer 5 having the elastic deformation rate of 45% or more and 55% or less, and the Young's modulus of 2.8 GPa or more and 3.7 GPa or less.
摘要翻译：要解决的问题：提供抑制通过重复图像形成获得的图像的分辨率降低的电子照相感光体。解决方案：电子照相感光体10包含含有选自胍胺化合物和三聚氰胺化合物中的至少一种的组合物的固化膜和至少一种具有至少一个选自-OH，-OCH，-NH，-SH和-COOH的取代基的电荷传输材料。电子照相感光体10具有弹性变形率为45％以上且55％以下，杨氏模量为2.8GPa以上至3.7GPa以下的保护层5。

8. 发明专利

JP2009237568A Electrophotographic photoreceptor, process cartridge ,and image forming device 有权
标题翻译：电子照相机，过程盒和图像形成装置
公开(公告)号：JP2009237568A
公开(公告)日：2009-10-15
申请号：JP2009052718
申请日：2009-03-05
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： NUKADA HIDEMI , YAMAMOTO SHINYA , MIURA MASARU , TAKIMOTO HITOSHI , SUZUKI TAKAHIRO , KAWASHIRI TETSUNAO , KORENAGA JIRO , ESUMI TETSUYA , SHIBATA JUNICHI
IPC分类号： G03G5/05 , G03G5/147
CPC分类号： G03G5/14726 , G03G5/0539 , G03G5/0578 , G03G5/0592 , G03G5/0596 , G03G5/14773 , G03G5/14791 , G03G5/14795
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor allowing achievement of both an electrophotographic property and durability in a high level, and to provide an image forming device and a process cartridge using the photoreceptor. SOLUTION: This electrophotographic photoreceptor has at least a photosensitive layer on an electroconductive support body, and includes a fluorinated alkyl group-containing copolymer including repeating units wherein a surface layer is represented by the following formulae A and B, and fluorine-based resin particles: wherein in the formulae A and B, l, m and n each independently represent an integer of 1 or more; p, q, r and s each independently represent 0 or an integer of 1 or more; t represents an integer of 1-7; R 1 , R 2 , R 3 , and R 4 each independently represent a hydrogen atom or an alkyl group; X represents an alkylene chain, a halogen-substituted alkylene chain, -S-, -O-, -NH- or a single bond; Y represents an alkylene chain, a halogen-substituted alkylene chain, -(C Z H2 Z-1 (OH))- or a single bond; z represents an integer of 1 or more; Q represents -O- or -NH-. Further, the image forming device and the process cartridge using the photoreceptor are provided. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种电子照相感光体，其可以实现高水平的电子照相特性和耐久性，并提供使用感光体的图像形成装置和处理盒。解决方案：该电子照相感光体在导电性支持体上具有至少一层感光层，并且包括含有氟代烷基的共聚物，其中表面层由下式A和B表示的重复单元，氟基树脂颗粒：其中在式A和B中，l，m和n各自独立地表示1或更大的整数; p，q，r和s各自独立地表示0或1或更大的整数; t表示1-7的整数; R SB 1，R SB 2，R SB 3和R SB 4各自独立地表示氢原子或烷基 ; X表示亚烷基链，卤素取代的亚烷基链，-S-，-O-，-NH-或单键; Y表示亚烷基链，卤素取代的亚烷基链， - （C 1 -C 12） - 或单键; z表示1以上的整数， Q表示-O-或-NH-。此外，提供了使用感光体的图像形成装置和处理盒。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009151003A Process cartridge and image forming apparatus 审中-公开
标题翻译：过程盒和图像形成装置
公开(公告)号：JP2009151003A
公开(公告)日：2009-07-09
申请号：JP2007327506
申请日：2007-12-19
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： HOSHIZAKI TAKETOSHI , TERAI YUJI , KORENAGA JIRO
IPC分类号： G03G21/18 , G03G15/02
摘要： PROBLEM TO BE SOLVED: To prevent the occurrence of parallel stripes in a shaft direction of an electrophotographic photoreceptor in printing caused by that the electrophotographic photoreceptor and an charging roll submissively rotate by vibration or the like when transportation or the like, and charge is accumulated on the surface of the electrophotographic photoreceptor by triboelectrification when peeling both of them generated by such rotation. SOLUTION: The process cartridge includes the electrophotographic photoreceptor 10, the charging roll 12 coming into contact with the surface of the electrophotographic photoreceptor 10 and charging it, a spiral groove 20 formed on the charging roll 12 and coming loose in a rotating direction when forming an image, and a rotation preventing means having spiral groove shape whose shape is fit to that of the spiral groove 20. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了防止由于电子照相感光体和充电辊在运输等时通过振动等原样旋转而导致的印刷中的电子照相感光体的轴向上的平行条纹的发生，并且进行充电当通过这种旋转产生的它们两者剥离时，通过摩擦带电积累在电子照相感光体的表面上。解决方案：处理盒包括电子照相感光体10，充电辊12与电子照相感光体10的表面接触并充电;形成在充电辊12上并沿旋转方向松动的螺旋槽20 当形成图像时，以及具有螺旋形槽形状的旋转阻止装置，其形状与螺旋槽20的形状相配合。（C）版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2009063923A Process cartridge and image forming apparatus provided with the same 审中-公开
标题翻译：工艺盒和图像形成装置
公开(公告)号：JP2009063923A
公开(公告)日：2009-03-26
申请号：JP2007233184
申请日：2007-09-07
申请人： Fuji Xerox Co Ltd , 富士ゼロックス株式会社
发明人： TERAI YUJI , KORENAGA JIRO , HOSHIZAKI TAKETOSHI , YAMAZAKI JUNKO
IPC分类号： G03G21/18
摘要： PROBLEM TO BE SOLVED: To provide a process cartridge which is capable of preventing an image carrier from being electrified due to vibration during transportation, etc. by a simple method and to provide an image forming apparatus provided with the process cartridge. SOLUTION: The engaging projection portion 94 of a protective cover 90 is engaged with the portion to be engaged 16C of the image carrier 16, to prevent the rotation of the image carrier 16. Thus, it is prevented that when the process cartridge 14 is transported, the image carrier 16 and an electrifying roll 18 are driven rotated due to the vibration, etc. inputted to the process cartridge 14, separating discharge occurs in the contact portion of the image carrier 16 and the electrifying roll 18 and the surface of the image carrier 16 is electrified. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种处理盒，其能够通过简单的方法防止图像载体由于运输过程中的振动而带电，并且提供具有处理盒的图像形成装置。解决方案：保护盖90的接合突起部分94与图像载体16的待接合部分16C接合，以防止图像载体16的旋转。因此，防止当处理盒运送图像载体16和充电辊18由于输入到处理盒14的振动等被驱动旋转，在图像载体16和带电辊18的接触部分和表面图像载体16通电。版权所有（C）2009，JPO＆INPIT

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