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1. 发明公开

EP1202131A2 Method and apparatus for printing an appropriate image even on a special recording medium 审中-公开
标题翻译：对于一个特殊的打印介质合适的方法打印图像和相应的装置
公开(公告)号：EP1202131A2
公开(公告)日：2002-05-02
申请号：EP01125319.2
申请日：2001-10-26
申请人： Ricoh Company, Ltd.
发明人： Mochimaru, Hideaki , Omata, Yasukuni
IPC分类号： G03G15/20
CPC分类号： G03G15/20 , G03G15/0131 , G03G15/0194 , G03G15/6552 , G03G2215/00016 , G03G2215/00447 , G03G2215/0119 , G03G2215/0129 , G03G2215/0132 , G03G2215/1695 , G03G2221/1678
摘要： An image forming apparatus that is capable of forming an appropriate image even on a special transfer sheet, such as a thick and rigid transfer sheet (e.g., a cardboard and an envelope) and a long transfer sheet, etc. In the image forming apparatus, when the thick and rigid transfer sheet is used, a transfer bias applied to first and second transfer devices is increased by about 10 to 30% compared to that applied when a normal transfer sheet is used, and a temperature of fixing rollers is increased by about 10 to 30% compared to that when the normal transfer sheet is used. When the long transfer sheet that is longer than a circumferential length of a second image bearing member is used, an image transfer onto the second image bearing member is prohibited. In addition, the temperature of the fixing rollers is increased by about 10 to 30% compared to that when the normal transfer sheet is used.

2. 发明授权

EP1744224B1 Method and apparatus for printing an appropriate image even on a special recording medium 有权
标题翻译：对于一个特殊的打印介质合适的方法打印图像和相应的装置
公开(公告)号：EP1744224B1
公开(公告)日：2011-09-14
申请号：EP06020926.9
申请日：2001-10-26
申请人： Ricoh Company, Ltd.
发明人： Mochimaru, Hideaki , Omata, Yasukuni
IPC分类号： G03G15/00 , G03G21/16
CPC分类号： G03G15/20 , G03G15/0131 , G03G15/0194 , G03G15/6552 , G03G2215/00016 , G03G2215/00447 , G03G2215/0119 , G03G2215/0129 , G03G2215/0132 , G03G2215/1695 , G03G2221/1678

3. 发明公开

EP1744224A3 Method and apparatus for printing an appropriate image even on a special recording medium 有权
标题翻译：甚至在特殊记录介质上打印适当图像的方法和装置
公开(公告)号：EP1744224A3
公开(公告)日：2007-02-07
申请号：EP06020926.9
申请日：2001-10-26
申请人： Ricoh Company, Ltd.
发明人： Mochimaru, Hideake , Omata, Yasukuni
IPC分类号： G03G15/00 , G03G21/16
CPC分类号： G03G15/20 , G03G15/0131 , G03G15/0194 , G03G15/6552 , G03G2215/00016 , G03G2215/00447 , G03G2215/0119 , G03G2215/0129 , G03G2215/0132 , G03G2215/1695 , G03G2221/1678
摘要： The image forming apparatus comprises a plurality of toner cartridges (TC,a,b,c,d) and a sheet discharging roller (34). A sheet discharging tray (40) is configured to stack the recoding medium discharged by the sheet discharging roller (34). The tray (40) is inclined in a downward direction toward the sheet discharging roller (34) and serves as a cover, which when opened allows the replacement of the plurality of toner cartridges (TC,a,b,c,d) such that a toner cartridge (d) placed nearest to a side of the sheet discharging roller (34) is located in position lower than the sheet discharging roller.
摘要翻译：图像形成设备包括多个调色剂盒（TC，a，b，c，d）和片材排出辊（34）。排纸盘（40）构造成堆叠由排纸辊（34）排出的记录介质。托盘40朝向排纸辊34向下倾斜并且用作盖，当打开时，盖允许更换多个调色剂盒（TC，a，b，c，d），使得位于最靠近片材排出辊（34）一侧的调色剂盒（d）位于比片材排出辊低的位置。

4. 发明公开

EP1296202A3 Method and apparatus for producing duplex prints and image forming system using the same 审中-公开
标题翻译：用于生产双面打印的方法和设备，并在此工作图像生成系统
公开(公告)号：EP1296202A3
公开(公告)日：2003-06-18
申请号：EP02021332.8
申请日：2002-09-20
申请人： Ricoh Company, Ltd.
发明人： Mochimaru, Hideaki , Omata, Yasukuni , Sohmiya, Norimasa , Kaneko, Chiemi , Kouno, Yuzo
IPC分类号： G03G15/23 , G03G15/16
CPC分类号： G03G15/232 , G03G15/1605 , G03G2215/0119 , G03G2215/0132
摘要： An image forming apparatus of the present invention includes a plurality of image carriers (2Y,2M,2C,2BK) arranged along a first intermediate image transfer belt (3). Toner images of different colors formed on the image carriers are sequentially transferred to the first intermediate image transfer belt (3) one above the other to complete a first image. The first image is transferred to a second image transfer belt (15) and then transferred to one side of a sheet. At the same time, a second image completed on the first image transfer belt (3) is directly transferred to the other side of the same sheet. First and second control means are respectively disposed in the loop of the first intermediate image transfer body and the loop of the second intermediate image transfer body. The apparatus of the present invention can form color images on both sides of the recording medium rapidly in accurate register.
摘要翻译：本发明的图像形成装置，包括沿第一中间图像转印带（3），其设置图像载体（2Y，2M，2C，2BK）的复数。对图像载体不同颜色的调色剂图像被形成顺序地传送到第一中间图像转印带（3）一个在另一个之上以完成第一图像。第一图像被转印到第二转印带（15），然后转印到片材的一侧。同时，第二图像在所述第一图像转印带（3）完成被直接传送到同一片材的另一侧。第一和第二控制手段是在第一中间图像转印体的环路和第2中间图像转印体的环分别设置。本发明的该装置可以形成在准确寄存器快速的记录介质的bothsides彩色图像。

5. 发明公开

EP1265115A3 Image forming apparatus and image forming system including the same 审中-公开
标题翻译： Bilderzeugungsgerätund damit versehenes Bilderzeugungssystem
公开(公告)号：EP1265115A3
公开(公告)日：2003-04-09
申请号：EP02012348.5
申请日：2002-06-05
申请人： Ricoh Company, Ltd.
发明人： Mochimaru, Hideaki , Omata, Yasukuni
IPC分类号： G03G15/23
CPC分类号： G03G15/238 , G03G15/5087 , G03G21/1609 , G03G2215/00109 , G03G2215/00392 , G03G2215/00447 , G03G2215/00455 , G03G2215/0119 , G03G2215/0145 , G03G2221/1603 , G03G2221/1675 , G03G2221/18 , G03G2221/183
摘要： An image forming apparatus of the present invention includes an intermediate image transfer belt (3) elongate in the up-and-down direction and a plurality of sheet feeders (15A-15E) arranged one above the other at one side of the belt. The image forming apparatus is well balanced in height and width and therefore easy to operate and stable when installed at the user's station.
摘要翻译：本发明的图像形成装置包括沿着上下方向延伸的中间图像转印带（3）和在该带的一侧一个上下配置的多个送纸器（15A-15E）。图像形成装置的高度和宽度平衡良好，因此在安装在用户台时易于操作和稳定。

6. 发明公开

EP1215544A1 Method and apparatus for forming an image 有权
标题翻译：用于形成图像的方法和设备
公开(公告)号：EP1215544A1
公开(公告)日：2002-06-19
申请号：EP01129303.2
申请日：2001-12-13
申请人： Ricoh Company, Ltd.
发明人： Omata, Yasukuni , Mochimaru, Hideaki
IPC分类号： G03G15/23
CPC分类号： G03G15/232 , G03G2215/0016 , G03G2215/0119 , G03G2215/0132 , G03G2215/2083 , G03G2221/1642
摘要： An image forming apparatus of the present invention is operable in a duplex print mode for printing images on both sides of a recording medium. A toner image is transferred from a first image carrier (1) to a second image carrier (10) and then transferred from the second image carrier to one side of the recording medium. Subsequently, a toner image is transferred from the first image carrier to the other side of the recording medium. After the toner image has been transferred from the first image carrier to the second image carrier, the second image carrier is moved in the reverse direction to a preselected position. The apparatus of the present invention enhances productivity in the duplex print mode. Furthermore, the polarity of the charge of the image carried on said second image carrier (10) is inverted. The second image carrier (10) is a belt with a mechanism to prevent offset.
摘要翻译：本发明的图像形成设备可在双面打印模式下操作，用于在记录介质的两面上打印图像。调色剂图像从第一图像载体（1）转印到第二图像载体（10），然后从第二图像载体转印到记录介质的一面。随后，调色剂图像从第一图像载体转印到记录介质的另一侧。在调色剂图像已经从第一图像载体传送到第二图像载体之后，第二图像载体沿着相反方向移动到预选位置。本发明的设备提高双面打印模式下的生产率。此外，所述第二图像载体（10）上携带的图像的电荷的极性被反转。第二图像载体（10）是具有防止偏移的机构的带。

7. 发明授权

EP1391792B1 Image forming apparatus with thermal image transfer to both sides of a recording medium 有权
标题翻译：具有在记录介质的两面的热图像转印图象形成装置
公开(公告)号：EP1391792B1
公开(公告)日：2008-08-13
申请号：EP03018682.9
申请日：2003-08-22
申请人： Ricoh Company, Ltd.
发明人： Sohmiya, Norimasa , Suzuki, Koji , Mochimaru, Hideaki , Iwata, Naoki , Tomita, Kunihiko , Yokoyama, Hiroshi , Watanabe, Shigeru , Kaneko, Chiemi , Omata, Yasukuni , Murayama, Hisao
IPC分类号： G03G15/23 , G03G15/16
CPC分类号： G03G15/1625 , G03G15/232

8. 发明公开

EP1744224A2 Method and apparatus for printing an appropriate image even on a special recording medium 有权
标题翻译：对于一个特殊的打印介质合适的方法打印图像和相应的装置
公开(公告)号：EP1744224A2
公开(公告)日：2007-01-17
申请号：EP06020926.9
申请日：2001-10-26
申请人： Ricoh Company, Ltd.
发明人： Mochimaru, Hideake , Omata, Yasukuni
IPC分类号： G03G15/00 , G03G21/16
CPC分类号： G03G15/20 , G03G15/0131 , G03G15/0194 , G03G15/6552 , G03G2215/00016 , G03G2215/00447 , G03G2215/0119 , G03G2215/0129 , G03G2215/0132 , G03G2215/1695 , G03G2221/1678
摘要： An image forming apparatus that is capable of forming an appropriate image even on a special transfer sheet, such as a thick and rigid transfer sheet (e.g., a cardboard and an envelope) and a long transfer sheet, etc. In the image forming apparatus, when the thick and rigid transfer sheet is used, a transfer bias applied to first and second transfer devices is increased by about 10 to 30 % compared to that applied when a normal transfer sheet is used, and a temperature of fixing rollers is increased by about 10 to 30% compared to that when the normal transfer sheet is used. When the long transfer sheet that is longer than a circumferential length of a second image bearing member is used, an image transfer onto the second image bearing member is prohibited. In addition, the temperature of the fixing rollers is increased by about 10 to 30 % compared to that when the normal transfer sheet is used.
摘要翻译：该图像形成装置包括调色剂盒（TC，A，B，C，D）和一个排纸辊（34）多个。片材排出托盘（40）被配置成堆叠由排纸辊（34）排出的记录介质。托盘（40）在朝向所述排纸辊（34）沿向下的方向倾斜，并用作一个盖，其中，当打开允许更换墨粉盒的多元性（TC，A，B，C，D）搜索做的放置在片材排出辊（34）的最近侧的调色剂盒（D）位于比所述排纸辊低的位置。

9. 发明公开

EP1237056A3 Image forming apparatus and method 审中-公开
公开(公告)号：EP1237056A3
公开(公告)日：2005-11-02
申请号：EP02004342.8
申请日：2002-03-01
申请人： Ricoh Company, Ltd.
发明人： Omata, Yasukuni , Mochimaru, Hideaki
IPC分类号： G03G15/23 , G03G15/00 , G03G15/16
CPC分类号： G03G15/232 , G03G15/1615 , G03G2215/00544 , G03G2215/00548 , G03G2215/0119 , G03G2215/0132 , G03G2215/0177 , G03G2215/0193
摘要： An image forming apparatus includes an image bearing member that bears a visual image, a visual image forming device that forms the visual image on the image bearing member, and a two-side transfer device including a recording medium holding member spanning a plurality of stretch members to hold a recording medium thereon. The two-side transfer device transfers the visual images on the image bearing member onto both sides of the recording medium on the recording medium holding member while the recording medium holding member is being moved in a predetermined direction. The image bearing member intrudes into a part of the recording medium holding member spanning two adjacent ones of the plurality of stretch members by an intrusion amount of about 0.2 mm or greater so that the recording medium holding member moves in contact with the image bearing member, having a contact width in a predetermined direction.

10. 发明公开

EP1391792A1 Image forming apparatus 有权
标题翻译： Bildzeugungsgerätmit thermischenBildübertragungauf beiden Seiten eines Aufzeichnungsmediums
公开(公告)号：EP1391792A1
公开(公告)日：2004-02-25
申请号：EP03018682.9
申请日：2003-08-22
申请人： Ricoh Company, Ltd.
发明人： Sohmiya, Norimasa , Suzuki, Koji , Mochimaru, Hideaki , Iwata, Naoki , Tomita, Kunihiko , Yokoyama, Hiroshi , Watanabe, Shigeru , Kaneko, Chiemi , Omata, Yasukuni , Murayama, Hisao
IPC分类号： G03G15/23 , G03G15/16
CPC分类号： G03G15/1625 , G03G15/232
摘要： An image forming apparatus of the present invention includes a first and a second intermediate image transfer belt contacting each other to form a nip for secondary image transfer. While the nip is heated, a sheet is passed through the nip to thereby transfer toner images respectively formed on the first and second belts to opposite surfaces of the sheet at the same time. The nip is sized such that image transfer and fixation can be effected at temperature higher than the melting point or the softening point of toner by 5°C to 50°C.
摘要翻译：本发明的图像形成装置包括第一和第二中间图像转印带，其彼此接触以形成用于二次图像转印的辊隙。当辊隙被加热时，片材通过辊隙，从而将分别形成在第一和第二带上的调色剂图像同时转印到片材的相对表面。压区的尺寸使得图像转印和固定可以在高于调色剂的熔点或软化点的温度下进行5℃至50℃。

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