JP2003287964A5 - - Google Patents

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JP2003287964A5
JP2003287964A5 JP2002091691A JP2002091691A JP2003287964A5 JP 2003287964 A5 JP2003287964 A5 JP 2003287964A5 JP 2002091691 A JP2002091691 A JP 2002091691A JP 2002091691 A JP2002091691 A JP 2002091691A JP 2003287964 A5 JP2003287964 A5 JP 2003287964A5
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transfer belt
intermediate transfer
photosensitive drum
electrophotographic photosensitive
image forming
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JP2002091691A
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Japanese (ja)
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JP2003287964A (en
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Priority to JP2002091691A priority Critical patent/JP2003287964A/en
Priority claimed from JP2002091691A external-priority patent/JP2003287964A/en
Publication of JP2003287964A publication Critical patent/JP2003287964A/en
Publication of JP2003287964A5 publication Critical patent/JP2003287964A5/ja
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中間転写ベルトとそのクリーニング機構、電子写真感光体ドラムとそのクリーニング機構が一体のユニット内に配置され、画像形成装置本体と着脱自在に構成された中間転写ベルト−電子写真感光体ドラム一体カートリッジ用中間転写ベルトにおいて、該中間転写ベルト−電子写真感光体ドラム一体カートリッジが２次転写後の中間転写ベルト上に残留した現像剤を感光体と逆の極性に帯電させることで、中間転写ベルトから感光体ドラムに静電的に転写させて中間転写ベルトのクリーニングを行う機構を有しており、且つ、該中間転写ベルトの有機溶剤浸漬前後の質量変化率が±５％以内で、且つ該中間転写ベルトの表面粗さＲａが０．６μｍ以下で、且つ該感光体ドラムと該中間転写ベルトの表面粗さＲａの和が０．０５〜０．８μｍであることを特徴とする中間転写ベルト−電子写真感光体ドラム一体カートリッジ用中間転写ベルト。  Intermediate transfer belt and its cleaning mechanism, electrophotographic photosensitive drum and its cleaning mechanism are arranged in an integral unit, and are configured to be detachable from the image forming apparatus main body-intermediate for an electrophotographic photosensitive drum integrated cartridge In the transfer belt, the intermediate transfer belt-electrophotographic photosensitive drum integrated cartridge charges the developer remaining on the intermediate transfer belt after the secondary transfer to a polarity opposite to that of the photosensitive member. The intermediate transfer belt has a mechanism for electrostatic transfer to a drum to clean the intermediate transfer belt, the mass change rate before and after the organic solvent immersion in the intermediate transfer belt is within ± 5%, and the intermediate transfer belt The surface roughness Ra is 0.6 μm or less, and the sum of the surface roughness Ra of the photosensitive drum and the intermediate transfer belt is 0.05 to 0.8 μm. Electrophotographic photosensitive drum intermediate transfer belt integrally cartridge - the intermediate transfer belt, characterized in that. 中間転写ベルトの膜厚が４０μｍ〜２００μｍであり、体積抵抗率が１×１０6Ω・ｃｍ〜８×１０13Ω・ｃｍである請求項１に記載の中間転写ベルト。The intermediate transfer belt according to claim 1, wherein the intermediate transfer belt has a film thickness of 40 μm to 200 μm and a volume resistivity of 1 × 10 6 Ω · cm to 8 × 10 13 Ω · cm. 中間転写ベルトとそのクリーニング機構、電子写真感光体ドラムとそのクリーニング機構が一体のユニット内に配置され、画像形成装置本体と着脱自在に構成された中間転写ベルト−電子写真感光体ドラム一体カートリッジにおいて、該中間転写ベルト−電子写真感光体ドラム一体カートリッジが２次転写後の中間転写ベルト上に残留した現像剤を感光体と逆の極性に帯電させることで、中間転写ベルトから感光体ドラムに静電的に転写させて中間転写ベルトのクリーニングを行う機構を有しており、且つ、該中間転写ベルトの有機溶剤浸漬前後の質量変化率が±５％以内で、且つ該中間転写ベルトの表面粗さＲａが０．６μｍ以下で、且つ該感光体ドラムと該中間転写ベルトの表面粗さＲａの和が０．０５〜０．８μｍであることを特徴とする中間転写ベルト−電子写真感光体ドラム一体カートリッジ。  In the intermediate transfer belt-electrophotographic photosensitive drum integrated cartridge, in which the intermediate transfer belt and the cleaning mechanism thereof, the electrophotographic photosensitive drum and the cleaning mechanism are arranged in an integral unit, and are configured to be detachable from the image forming apparatus main body. The intermediate transfer belt-electrophotographic photosensitive drum integrated cartridge charges the developer remaining on the intermediate transfer belt after the secondary transfer to a polarity opposite to that of the photosensitive member, thereby electrostatically transferring the intermediate transfer belt to the photosensitive drum. The intermediate transfer belt has a mechanism for cleaning the intermediate transfer belt, the mass change rate of the intermediate transfer belt before and after immersion in the organic solvent is within ± 5%, and the surface roughness of the intermediate transfer belt Ra is 0.6 μm or less, and the sum of the surface roughness Ra of the photosensitive drum and the intermediate transfer belt is 0.05 to 0.8 μm. Intermediate transfer belt - an electrophotographic photosensitive drum integrally cartridge. 中間転写ベルトと電子写真感光体の押し圧が１Ｎ〜５０Ｎである請求項３に記載の中間転写ベルト−電子写真感光体一体カートリッジ。  4. The intermediate transfer belt-electrophotographic photosensitive member integrated cartridge according to claim 3, wherein the pressing force between the intermediate transfer belt and the electrophotographic photosensitive member is 1N to 50N. 中間転写ベルトが２本のローラーで張架されており、これらのローラーの直径が１０〜７０ｍｍである請求項３又は４に記載の中間転写ベルト−電子写真感光体ドラム一体カートリッジ。  The intermediate transfer belt-electrophotographic photosensitive drum integrated cartridge according to claim 3 or 4, wherein the intermediate transfer belt is stretched by two rollers, and the diameter of these rollers is 10 to 70 mm. 感光体ドラムの直径が６０ｍｍ以下である請求項３〜５のいずれかに記載の中間転写ベルト−電子写真感光体ドラム一体カートリッジ。  6. The intermediate transfer belt-electrophotographic photosensitive drum integrated cartridge according to claim 3, wherein the photosensitive drum has a diameter of 60 mm or less. 中間転写ベルトとそのクリーニング機構、電子写真感光体ドラムとそのクリーニング機構が一体のユニット内に配置され、画像形成装置本体と着脱自在に構成された中間転写ベルト−電子写真感光体ドラム一体カートリッジであって、該中間転写ベルト−電子写真感光体ドラム一体カートリッジが２次転写後の中間転写ベルト上に残留した現像剤を感光体と逆の極性に帯電させることで、中間転写ベルトから感光体ドラムに静電的に転写させて中間転写ベルトのクリーニングを行う手段を備えた画像形成装置において、該中間転写ベルトの有機溶剤浸漬前後の質量変化率が±５％以内で、且つ該中間転写ベルトの表面粗さＲａが０．６μｍ以下で、且つ該感光体ドラムと該中間転写ベルトの表面粗さＲａの和が０．０５〜０．８μｍであることを特徴とする画像形成装置。  The intermediate transfer belt and its cleaning mechanism, and the electrophotographic photosensitive drum and its cleaning mechanism are arranged in an integral unit, and are an intermediate transfer belt and an electrophotographic photosensitive drum integrated cartridge configured to be detachable from the main body of the image forming apparatus. The intermediate transfer belt-electrophotographic photosensitive drum integrated cartridge charges the developer remaining on the intermediate transfer belt after the secondary transfer to a polarity opposite to that of the photosensitive member, so that the intermediate transfer belt is transferred to the photosensitive drum. In an image forming apparatus provided with a means for electrostatically transferring and cleaning the intermediate transfer belt, the intermediate transfer belt has a mass change rate before and after immersion in an organic solvent within ± 5%, and the surface of the intermediate transfer belt The roughness Ra is 0.6 μm or less, and the sum of the surface roughness Ra of the photosensitive drum and the intermediate transfer belt is 0.05 to 0.8 μm. An image forming apparatus comprising. 中間転写ベルトとそのクリーニング機構、電子写真感光体ドラムとそのクリーニング機構が一体のユニット内に配置され、画像形成装置本体と着脱自在に構成された中間転写ベルト−電子写真感光体ドラム一体カートリッジであって、該中間転写ベルト−電子写真感光体ドラム一体カートリッジが２次転写後の中間転写ベルト上に残留した現像剤を感光体と逆の極性に帯電させることで、中間転写ベルトから感光体ドラムに静電的に転写させて中間転写ベルトのクリーニングを行う工程を有する画像形成方法において、該中間転写ベルトの有機溶剤浸漬前後の質量変化率が±５％以内で、且つ該中間転写ベルトの表面粗さＲａが０．６μｍ以下で、且つ該感光体ドラムと該中間転写ベルトの表面粗さＲａの和が０．０５〜０．８μｍであることを特徴とする画像形成方法。  The intermediate transfer belt and its cleaning mechanism, and the electrophotographic photosensitive drum and its cleaning mechanism are arranged in an integral unit, and are an intermediate transfer belt and an electrophotographic photosensitive drum integrated cartridge configured to be detachable from the main body of the image forming apparatus. The intermediate transfer belt-electrophotographic photosensitive drum integrated cartridge charges the developer remaining on the intermediate transfer belt after the secondary transfer to a polarity opposite to that of the photosensitive member, so that the intermediate transfer belt is transferred to the photosensitive drum. In the image forming method including the step of electrostatically transferring and cleaning the intermediate transfer belt, the mass change rate of the intermediate transfer belt before and after immersion in the organic solvent is within ± 5%, and the surface roughness of the intermediate transfer belt is The thickness Ra is 0.6 μm or less, and the sum of the surface roughness Ra of the photosensitive drum and the intermediate transfer belt is 0.05 to 0.8 μm. The image forming method according to claim. 中間転写ベルト並びにそのクリーニング機構と、電子写真感光体ドラム並びにそのクリーニング機構と、が一体のユニット内に配置されている、画像形成装置An image forming apparatus in which an intermediate transfer belt and a cleaning mechanism thereof, and an electrophotographic photosensitive drum and a cleaning mechanism thereof are disposed in an integral unit. の本体に着脱自在に構成され、該画像形成装置本体に装着された状態において、電子写真感光体ドラム上に形成された静電潜像を現像剤で顕像化した画像を該中間転写ベルトに１次転写し、該中間転写ベルトに１次転写された画像を転写材に２次転写し、更に２次転写後に該中間転写ベルト上に残留した現像剤を該電子写真感光体ドラムとは逆の極性に帯電させることで、中間転写ベルトから該電子写真感光体ドラムに静電的に転写させて中間転写ベルトのクリーニングを行うものである中間転写ベルト−電子写真感光体ドラム一体カートリッジに用いられる中間転写ベルトであって、有機溶剤浸漬前後の質量変化率が±５％以内で、且つ該中間転写ベルトの表面粗さＲａが０．６μｍ以下で、且つ該電子写真感光体ドラムと該中間転写ベルトの表面粗さＲａの和が０．０５〜０．８μｍであることを特徴とする中間転写ベルト。An image obtained by developing an electrostatic latent image formed on the electrophotographic photosensitive drum with a developer in a state of being detachably mounted on the main body of the image forming apparatus and mounted on the main body of the image forming apparatus is applied to the intermediate transfer belt. Primary transfer is performed, the image primarily transferred to the intermediate transfer belt is secondarily transferred to a transfer material, and the developer remaining on the intermediate transfer belt after the secondary transfer is opposite to the electrophotographic photosensitive drum. Is used for an intermediate transfer belt-electrophotographic photosensitive drum integrated cartridge that is electrostatically transferred from the intermediate transfer belt to the electrophotographic photosensitive drum to clean the intermediate transfer belt. An intermediate transfer belt having a mass change rate before and after immersion in an organic solvent of within ± 5%, a surface roughness Ra of the intermediate transfer belt of 0.6 μm or less, and the electrophotographic photosensitive drum and the intermediate transfer belt belt The intermediate transfer belt is characterized in that the sum of the surface roughness Ra is 0.05 to 0.8 μm. 中間転写ベルト並びにそのクリーニング機構と、電子写真感光体ドラム並びにそのクリーニング機構と、が一体のユニット内に配置されている、画像形成装置の本体に着脱自在に構成され、該画像形成装置本体に装着された状態において、電子写真感光体ドラム上に形成された静電潜像を現像剤で顕像化した画像を該中間転写ベルトに１次転写し、該中間転写ベルトに１次転写された画像を転写材に２次転写し、更に２次転写後に該中間転写ベルト上に残留した現像剤を該電子写真感光体ドラムとは逆の極性に帯電させることで、該中間転写ベルトから該電子写真感光体ドラムに静電的に転写させて中間転写ベルトのクリーニングを行う中間転写ベルト−電子写真感光体ドラム一体カートリッジにおいて、該中間転写ベルトの有機溶剤浸漬前後の質量変化率が±５％以内で、且つ該中間転写ベルトの表面粗さＲａが０．６μｍ以下で、且つ該電子写真感光体ドラムと該中間転写ベルトの表面粗さＲａの和が０．０５〜０．８μｍであることを特徴とする中間転写ベルト−電子写真感光体ドラム一体カートリッジ。The intermediate transfer belt and its cleaning mechanism, and the electrophotographic photosensitive drum and its cleaning mechanism are detachably configured in the main body of the image forming apparatus arranged in an integral unit, and are attached to the main body of the image forming apparatus In this state, an image obtained by developing the electrostatic latent image formed on the electrophotographic photosensitive drum with a developer is primarily transferred onto the intermediate transfer belt, and the image is primarily transferred onto the intermediate transfer belt. Is transferred to a transfer material, and the developer remaining on the intermediate transfer belt after the secondary transfer is charged to a polarity opposite to that of the electrophotographic photosensitive drum. In an intermediate transfer belt-electrophotographic photosensitive drum integrated cartridge, which is electrostatically transferred to a photosensitive drum to clean the intermediate transfer belt, before the intermediate transfer belt is immersed in an organic solvent Of the intermediate transfer belt is not more than ± 5%, the surface roughness Ra of the intermediate transfer belt is 0.6 μm or less, and the sum of the surface roughness Ra of the electrophotographic photosensitive drum and the intermediate transfer belt is 0.1. An intermediate transfer belt-electrophotographic photosensitive drum integrated cartridge, characterized in that it is from 05 to 0.8 μm. 請求項１０に記載の中間転写ベルト−電子写真感光体ドラム一体カートリッジが画像形成装置本体に装着されていることを特徴とする画像形成装置。11. An image forming apparatus, wherein the intermediate transfer belt-electrophotographic photosensitive drum integrated cartridge according to claim 10 is mounted on a main body of the image forming apparatus. 請求項１１の画像形成装置を用いて画像形成を行う工程を有することを特徴とする画像形成方法。An image forming method comprising the step of forming an image using the image forming apparatus according to claim 11.
JP2002091691A 2002-03-28 2002-03-28 Intermediate transfer belt, intermediate transfer belt and electrophotographic photoreceptor drum incorporated type cartridge, image forming apparatus and image forming method Pending JP2003287964A (en)

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JP2003287964A5 true JP2003287964A5 (en) 2005-06-09

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Publication number Priority date Publication date Assignee Title
KR100750118B1 (en) 2005-01-25 2007-08-17 삼성전자주식회사 Electrophotographic image forming apparatus
JP5082190B2 (en) * 2005-02-01 2012-11-28 富士ゼロックス株式会社 Endless belt made of polyimide resin, manufacturing method thereof, reuse method thereof, and electrophotographic image forming apparatus
JP4914707B2 (en) * 2006-12-15 2012-04-11 株式会社リコー Image forming apparatus
KR100782861B1 (en) * 2007-02-20 2007-12-06 삼성전자주식회사 Electrophotographic image forming apparatus
KR101533277B1 (en) 2008-12-09 2015-07-03 삼성전자주식회사 Image forming apparatus providing developer contact media formed nano roughness

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