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    • 2. 发明专利
    • Image forming apparatus and image forming method
    • 图像形成装置和图像形成方法
    • JP2013117582A
    • 2013-06-13
    • JP2011264065
    • 2011-12-01
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • OTA NAOKIINOUE TOYOFUMITAKAGI MASAHIROUENO YOSHINARINAKAI EIJIKAMIZAKI MAKOTOERI YOSHIFUMI
    • G03G15/08
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus which is excellent in developability and transferability and suppresses the generation of a ghost.SOLUTION: There is provided an image forming apparatus which comprises: a latent image holder; charging means for charging the surface of the latent image holder; electrostatic latent image forming means for forming an electrostatic latent image on the surface of the latent image holder; and developing means for developing the electrostatic latent image formed on the surface of the latent image holder by using a developer containing toner particles having a volume-average particle diameter of 2 μm or more and 10 μm or less and an external additive having a volume-average particle diameter of 70 μm or more and 400 μm or less and a circularity of 0.5 or more and 0.9 or less in a state where an AC component having a frequency of 6 kHz or more and 25 kHz or less is applied.
    • 要解决的问题:提供一种显影性和转印性优异且抑制重影的图像形成装置。 解决方案:提供一种图像形成装置,其包括:潜像保持器; 充电装置,用于对潜像保持器的表面充电; 静电潜像形成装置,用于在潜像保持器的表面上形成静电潜像; 以及显影装置,用于通过使用含有体积平均粒径为2μm以上且10μm以下的调色剂颗粒的显影剂和具有体积平均粒径的外部添加剂显影形成在潜像保持体的表面上的静电潜像, 在施加6kHz以上且25kHz以下的交流分量的状态下,平均粒径为70μm以上至400μm以下,圆形度为0.5以上且0.9以下。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Image forming apparatus
    • 图像形成装置
    • JP2014085506A
    • 2014-05-12
    • JP2012234309
    • 2012-10-24
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • KAMIZAKI MAKOTOINOUE TOYOFUMIUENO YOSHINARIKURIBAYASHI MASATAKAKOIDE TAKASHIKITAJIMA KATSUYUKINAKAI EIJIERI YOSHIFUMISATO SHIGEMASA
    • G03G15/00G03G15/16G03G21/20
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of suppressing scattering of a toner image during the transfer of the toner image onto a sheet.SOLUTION: An image forming apparatus includes: an image determination unit that determines whether or not a toner image formed by a toner image forming unit includes a scattering toner image causing scattering of toner during the transfer onto a sheet, and when determining that the toner image includes the scattering toner image, specifies an image range in which the scattering toner image occupies in the toner image; and a humidification unit that humidifies, when the image determination unit determines that the toner image includes the scattering toner image, any one of the image range in the toner image before being transferred onto the sheet and a sheet range against which the image range is pressed on the sheet during the transfer.
    • 要解决的问题:提供一种能够抑制将调色剂图像转印到片材上时调色剂图像的散射的图像形成装置。解决方案:图像形成装置包括:图像确定单元,确定调色剂图像 由调色剂图像形成单元形成的散射调色剂图像包括在转印到纸张上时引起调色剂飞散的散射调色剂图像,并且当确定调色剂图像包括散射调色剂图像时,指定散射调色剂图像占据调色剂中的图像范围 图片; 以及加湿单元,当图像确定单元确定调色剂图像包括散射调色剂图像时,调色剂图像中的图像范围中的任何一个被转印到片材上,并且加压图像范围被压缩的片材范围 在转让过程中的工作表。
    • 6. 发明专利
    • Image forming apparatus and transfer device
    • 图像形成装置和传送装置
    • JP2011203525A
    • 2011-10-13
    • JP2010071093
    • 2010-03-25
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • KOIDE TAKASHIINOUE TOYOFUMIOTA NAOKINAKAI EIJIKAMIZAKI MAKOTOONISHI NAOKIUENO YOSHINARI
    • G03G15/16
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus and a transfer device, in which irregularities in an image are suppressed.SOLUTION: The image forming apparatus includes: an image forming unit for forming an image with toner on an image holder 11; an annular and belt-like belt member 2 that circulatingly moves along a circulation path via a portion in proximity to or in contact with the surface of the image holder; a first transfer unit 15 for transferring the image on the surface of the image holder onto the outer circumferential surface of the belt member; a second transfer unit 25 for transferring the image on the outer circumferential surface of the belt member onto a recording medium; a measurement unit 30 for measuring the state of at least one of a residual toner image remaining on the outer circumferential surface of the belt member after the transfer is carried out by the second transfer unit, and a transferred image which has been transferred onto the recording medium; and a cooling unit for directly or indirectly cooling the belt member in accordance with the measurement results obtained by the measurement unit.
    • 要解决的问题:提供一种图像形成装置和转印装置,其中抑制了图像中的凹凸。解决方案:图像形成装置包括:图像形成单元,用于在图像保持器11上形成具有调色剂的图像; 环形带状带状构件2,其通过靠近或与图像保持器的表面接触的部分沿着循环路径循环移动; 第一传送单元15,用于将图像保持器的表面上的图像转印到带构件的外周表面上; 用于将带部件的外周面上的图像转印到记录介质上的第二传送单元25; 测量单元30,用于测量由第二传送单元执行传送之后残留在带部件的外周表面上的剩余调色剂图像中的至少一个的状态,以及已转印到记录上的转印图像 中; 以及用于根据由测量单元获得的测量结果直接或间接地冷却带部件的冷却单元。
    • 9. 发明专利
    • Image forming apparatus
    • 图像形成装置
    • JP2014085509A
    • 2014-05-12
    • JP2012234323
    • 2012-10-24
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • NAKAI EIJIINOUE TOYOFUMIUENO YOSHINARIKURIBAYASHI MASATAKAKOIDE TAKASHIKITAJIMA KATSUYUKIKAMIZAKI MAKOTOERI YOSHIFUMISATO SHIGEMASA
    • G03G15/16
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of suppressing scattering of a toner image during the transfer of the toner image onto a sheet.SOLUTION: An image forming apparatus includes: a toner image forming unit that forms a toner image based on image data, and continuously transfers the toner image onto a conveyed sheet P along with the conveyance of the sheet P from a front end side to a rear end side in the conveyance direction of the sheet P; a fixing unit 40 that is arranged on a downstream side in the sheet conveyance direction of the toner image forming unit, and fixes the toner image transferred onto the sheet P by the toner image forming unit onto the sheet P; and a needle piercing unit 60 that pierces a plurality of portions two-dimensionally dispersed on the sheet P for ventilation, before the transfer of the toner image formed by the toner image forming unit onto the sheet P.
    • 要解决的问题:提供一种成像设备,其能够抑制将调色剂图像转印到片材上时调色剂图像的散射。解决方案:图像形成设备包括:调色剂图像形成单元,其形成基于 并且随着片材P从片材P的传送方向的前端侧到后端侧的传送,将调色剂图像连续地传送到被输送的片材P上; 定影单元40,其布置在调色剂图像形成单元的纸张输送方向的下游侧,并且将由调色剂图像形成单元转印到纸张P上的调色剂图像定影到纸张P上; 以及在将由调色剂图像形成单元形成的调色剂图像转印到纸张P上之前,穿透二维分散在纸张P上用于通风的多个部分的针刺单元60。
    • 10. 发明专利
    • Image forming apparatus
    • 图像形成装置
    • JP2014085505A
    • 2014-05-12
    • JP2012234308
    • 2012-10-24
    • Fuji Xerox Co Ltd富士ゼロックス株式会社
    • KURIBAYASHI MASATAKAINOUE TOYOFUMIUENO YOSHINARIKOIDE TAKASHINAKAI EIJIKITAJIMA KATSUYUKIKAMIZAKI MAKOTOERI YOSHIFUMISATO SHIGEMASA
    • G03G15/00G03G15/16
    • PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of suppressing scattering of a toner image during the transfer of the toner image onto a sheet.SOLUTION: An image forming apparatus 100 includes: a toner image forming unit that forms a toner image based on image data, and continuously transfers the toner image onto a conveyed sheet along with the conveyance of the sheet from a front end side to a rear end side in the conveyance direction of the sheet; and a fixing unit that is arranged on a downstream side in the sheet conveyance direction of the toner image forming unit, and fixes the toner image transferred onto the sheet by the toner image forming unit onto the sheet. The toner image forming unit has a toner image pressing part pressing the toner image before the transfer onto the sheet.
    • 要解决的问题:提供一种能够抑制在将调色剂图像转印到片材上时调色剂图像的散射的图像形成装置。解决方案:图像形成装置100包括:调色剂图像形成单元,其形成基于调色剂的图像 并且随着纸张从片材的输送方向的前端侧到后端侧的传送,将调色剂图像连续地传送到被输送的片材上; 以及固定单元,其布置在调色剂图像形成单元的片材输送方向的下游侧,并且将由调色剂图像形成单元转印到片材上的调色剂图像定影到片材上。 调色剂图像形成单元具有在转印到纸张上之前将调色剂图像按压的调色剂图像按压部。