JPH10161495A - Image carrier cleaning device and method for cleaning same - Google Patents
Image carrier cleaning device and method for cleaning sameInfo
- Publication number
- JPH10161495A JPH10161495A JP8325264A JP32526496A JPH10161495A JP H10161495 A JPH10161495 A JP H10161495A JP 8325264 A JP8325264 A JP 8325264A JP 32526496 A JP32526496 A JP 32526496A JP H10161495 A JPH10161495 A JP H10161495A
- Authority
- JP
- Japan
- Prior art keywords
- image carrier
- web member
- cleaning
- web
- cleaning device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 238000005498 polishing Methods 0.000 claims description 18
- 230000001050 lubricating effect Effects 0.000 claims description 8
- 238000000151 deposition Methods 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 25
- 239000000314 lubricant Substances 0.000 description 20
- 108091008695 photoreceptors Proteins 0.000 description 12
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000004745 nonwoven fabric Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 229910000420 cerium oxide Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- -1 for example Polymers 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- ZADYMNAVLSWLEQ-UHFFFAOYSA-N magnesium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[Mg+2].[Si+4] ZADYMNAVLSWLEQ-UHFFFAOYSA-N 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Landscapes
- Cleaning In Electrography (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、繰り返し利用する
感光体表面に潤滑性を付与し、且つ感光体表面のトナー
成分及びその他の付着物をクリーニングする像担持体ク
リーニング装置およびそれを使用するクリーニング方法
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image carrier cleaning apparatus for imparting lubricity to the surface of a photoreceptor that is repeatedly used and for cleaning toner components and other deposits on the surface of the photoreceptor, and a cleaning apparatus using the same. About the method.
【０００２】[0002]
【従来の技術】電子写真プロセスによって形成された感
光体等の像担持体上の静電潜像は、現像されて可視化さ
れ、次いで形成されたトナー像は、転写用紙等の転写材
に転写し、定着して最終画像が形成される。一方、像担
持体表面に残留しているトナー成分及びその他の付着物
はクリーニングによって除去される。この電子写真プロ
セスにおいて使用される像担持体には、良好な電気特性
と共に、耐久性及びクリーニング性が要求されるが、一
般に表面材料として一時的或いは永続的に絶縁性の材料
が用いられている。耐久性は感光体を繰り返し使用する
場合に要求される性質であり、また、クリーニング性
は、像担持体の表面に残留するトナー成分及びその他の
付着物が容易に除去されるために必要な性質である。こ
れらの特性が、鮮明な画像の形成に著しく影響を与える
ものであるため、像担持体の耐久性およびクリーニング
性を改善するために、従来から種々の提案がなされてお
り、例えば、像担持体表面に保護層を設けたり、耐久性
に優れた絶縁層を形成したり、または像担持体表面に潤
滑性を付与すること等が行われている。2. Description of the Related Art An electrostatic latent image formed on an image carrier such as a photoreceptor formed by an electrophotographic process is developed and visualized, and then the formed toner image is transferred to a transfer material such as transfer paper. Is fixed to form a final image. On the other hand, the toner components and other deposits remaining on the surface of the image carrier are removed by cleaning. The image bearing member used in the electrophotographic process is required to have good electrical properties, durability and cleaning properties, but a temporary or permanent insulating material is generally used as a surface material. . Durability is a property required when the photoreceptor is used repeatedly, and cleaning property is a property required for easily removing toner components and other attached substances remaining on the surface of the image carrier. It is. Since these characteristics significantly affect the formation of a clear image, various proposals have conventionally been made to improve the durability and cleaning properties of the image carrier. A protective layer is provided on the surface, an insulating layer having excellent durability is formed, or lubricity is imparted to the surface of the image carrier.
【０００３】また、像担持体の耐久性を低下させる原因
となる残留トナー成分及びその他の付着物をクリーニン
グする方法として、像担持体表面をクリーニングブレー
ドによって拭き取るか或いは掻き取る方法、ウエブ状部
材で摺擦して拭き取る方法、ディスターバーブラシ等で
掻き取る方法等が知られている。ところが、これ等の方
法によって像担持体表面に残留しているトナー成分及び
その他の付着物を除去する場合、繰り返し使用回数の増
大と共にクリーニング効果が低下し、クリーニングして
も像担持体表面にトナー成分及びその他の付着物が残留
する様になる。その結果、新たに形成するトナー像に黒
線或いはゴースト像が現れたり、トナー像欠け或いはト
ナー像の流れが発生する。その原因は明確でないが、上
記の方法によるクリーニングは、像担持体表面とクリー
ニング手段との機械的動接触によるために、処理時に、
像担持体表面に残留しているトナー成分及びその他の付
着物が凝着又は溶着を起こして像担持体表面に固着する
ためであると思われる。Further, as a method for cleaning residual toner components and other deposits which cause deterioration of the durability of the image carrier, a method of wiping or scraping the surface of the image carrier with a cleaning blade, a method using a web-like member, or the like. A method of rubbing and wiping, a method of scraping with a disturb bar brush or the like are known. However, when these methods are used to remove the toner components and other attached matter remaining on the surface of the image carrier, the cleaning effect is reduced as the number of repetitive uses increases, and even when the cleaning is performed, the toner remains on the surface of the image carrier. Components and other deposits remain. As a result, a black line or a ghost image appears in a newly formed toner image, a toner image is missing, or a toner image flows. Although the cause is not clear, the cleaning by the above method is due to mechanical dynamic contact between the surface of the image carrier and the cleaning means.
This is presumably because toner components and other deposits remaining on the surface of the image carrier adhere to or adhere to the surface of the image carrier due to adhesion or welding.
【０００４】像担持体をクリーニングする場合、従来よ
りクリーニング部材としては、ポリウレタンゴム等から
なるブレードが主に用いられているが、通常これらゴム
材料は、非常に潤滑性が乏しいため、像担持体表面とブ
レード間に、テフロン、脂肪酸金属塩、二硫化モリブデ
ン、黒鉛等の潤滑剤を供給して、ブレードのスティック
アンドスリップ現象を抑えることが行われている。For cleaning the image carrier, a blade made of polyurethane rubber or the like has been mainly used as a cleaning member. However, since these rubber materials are usually very poor in lubricity, the image carrier is usually used. Lubricants such as Teflon, fatty acid metal salts, molybdenum disulfide, and graphite are supplied between the surface and the blade to suppress the stick and slip phenomenon of the blade.
【０００５】ところで、トナー成分以外の付着物で電気
特性が劣化した像担持体を再使用するためには、トナー
成分以外の付着物を像担持体の表面から取り除く必要が
あり、そのためには、付着物を研磨により除去して、像
担持体を初期の表面状態に回復させる必要がある。とこ
ろが、従来、像担持体表面に潤滑性を付与すると同時に
付着物の研磨を行うことは困難であるとされていた。潤
滑と研磨の両者の機能を付与させるものとしては、ウエ
ブ状基体の両面にそれぞれ研磨剤層と潤滑剤層とを設け
たウエブ部材を、２本のローラーで感光体表面に押圧し
て接触させるクリーニング方法および装置が知られてい
る（例えば、特開昭５６−２２４６６号公報）。図６は
その場合を示すものであって、クリーニングブレード７
と共にクリーニングウエブユニット２０が設けられてお
り、ウエブ状基体の両面にそれぞれ研磨剤層と潤滑剤層
を設けたウエブ部材２が、ウエブ・セットロール１から
繰り出され、プレッシャーロール４ａによって像担持体
５の表面に押圧されてウエブ部材の一面が接触し、さら
にガイドロールによって案内されてプレッシャーロール
４ｂによって像担持体５の表面に押圧されてウエブ部材
の他面が接触し、像担持体のクリーニングが行われる。
ウエブ部材は巻き取りロール３に巻き取られる。By the way, in order to reuse an image carrier whose electric characteristics have been degraded due to deposits other than toner components, it is necessary to remove deposits other than toner components from the surface of the image carrier. It is necessary to remove the deposits by polishing to restore the image carrier to the initial surface state. However, it has heretofore been considered difficult to impart lubricity to the surface of the image carrier and simultaneously grind the attached matter. In order to impart both functions of lubrication and polishing, a web member provided with an abrasive layer and a lubricant layer on both surfaces of a web-like substrate is brought into contact with the surface of the photoreceptor by pressing with two rollers. A cleaning method and an apparatus are known (for example, Japanese Patent Application Laid-Open No. 56-22466). FIG. 6 shows such a case.
In addition, a cleaning web unit 20 is provided, and a web member 2 provided with an abrasive layer and a lubricant layer on both surfaces of a web-like substrate is unwound from a web set roll 1 and is pressed by a pressure roll 4a. Is pressed against the surface of the web member, and one surface of the web member comes into contact with the surface of the web member. Further, the web member is guided by the guide roll, pressed against the surface of the image carrier 5 by the pressure roll 4b, and the other surface of the web member comes into contact. Done.
The web member is taken up by a take-up roll 3.
【０００６】しかしながら、このクリーニング装置は、
ウエブ部材の両面を像担持体表面に順次接触させるため
に、クリーニングウエブユニットの構造が複雑になり、
かつスペースを取ってクリーニング装置が大型化すると
いう問題がある。さらに、ウエブ部材の研磨剤層が常に
像担持体表面に圧接されているため、像担持体表面の磨
耗が早く、像担持体の電気特性の劣化が早くなるという
問題もある。[0006] However, this cleaning device is
Since the both surfaces of the web member are sequentially brought into contact with the surface of the image carrier, the structure of the cleaning web unit becomes complicated,
In addition, there is a problem that the cleaning device is increased in size by taking up space. Further, since the abrasive layer of the web member is constantly pressed against the surface of the image carrier, there is a problem that the surface of the image carrier is rapidly worn and the electrical characteristics of the image carrier are quickly deteriorated.
【０００７】本発明は、従来の上記のような欠点を解決
することを目的としてなされたものである。すなわち、
本発明の目的は、像担持体の表面に潤滑性を付与すると
共に、表面の付着物を研磨して除去するのに有効なクリ
ーニング装置及びそれを使用するクリーニング方法を提
供することにある。The present invention has been made to solve the above-mentioned conventional drawbacks. That is,
SUMMARY OF THE INVENTION An object of the present invention is to provide a cleaning device which imparts lubricity to the surface of an image bearing member, and is effective for polishing and removing extraneous matter on the surface, and a cleaning method using the same.
【０００８】[0008]
【発明が解決しようとする課題】本発明者等は、鋭意検
討を重ねた結果、ウエブ基材の一面に潤滑作用を示す物
質と、研磨作用を示す物質を千鳥状に塗布して設けたウ
エブ部材を、間欠的に像担持体表面に接触させてクリー
ニングを行うことにより、前記の問題点が解決できるこ
とを見出し、本発明を完成するに至った。As a result of intensive studies, the present inventors have found that a web having a material having a lubricating effect and a material having a polishing effect applied to one surface of a web substrate in a staggered manner is provided. The inventor has found that the above problem can be solved by intermittently bringing the member into contact with the surface of the image carrier and performing cleaning, thereby completing the present invention.
【０００９】すなわち、本発明の像担持体クリーニング
装置は、ウエブ部材およびそのウエブ部材を像担持体表
面に圧接するウエブ部材押圧手段を有するものであっ
て、ウエブ部材が片面に、研磨作用を示す物質を含有す
る研磨部と潤滑作用を付与する物質を含有する潤滑部を
有することを特徴とする。この像担持体クリーニング装
置は、ウエブ部材押圧手段がリトラクト機構を有し、ウ
エブ部材を間欠的に送り出す送り出し手段および間欠的
に巻き取る巻き取り手段によって、ウエブ部材を像担持
体表面に間欠的に接触させるように構成されているのが
好ましい。また、ウエブ部材として、研磨部と潤滑部と
は千鳥状に設けたものを使用するのが好ましい。さら
に、研磨部と潤滑部は、それらの像担持体の表面に対す
る接触面積が常に３０〜７０：７０〜３０の範囲になる
ように配置されているのが好ましい。本発明の像担持体
クリーニング方法は、ウエブ部材を用いて像担持体表面
のクリーニングを行うものであって、ウエブ部材として
片面に研磨部と潤滑部を有するものを使用し、リトラク
ト機構を有するウエブ部材押圧手段により、そのウエブ
部材を像担持体表面に間欠的に接触させてクリーニング
を行うことを特徴とする。That is, the image carrier cleaning apparatus of the present invention has a web member and a web member pressing means for pressing the web member against the surface of the image carrier, and the web member exhibits a polishing action on one surface. It is characterized by having a polishing part containing a substance and a lubricating part containing a substance giving a lubricating action. In this image carrier cleaning apparatus, the web member pressing means has a retract mechanism, and the web member is intermittently fed to the surface of the image carrier by a feeding means for intermittently feeding the web member and a winding means for intermittently winding the web member. Preferably, it is configured to make contact. Further, it is preferable to use a web member in which the polishing portion and the lubrication portion are provided in a staggered manner. Further, it is preferable that the polishing section and the lubricating section are arranged such that their contact area with the surface of the image carrier is always in the range of 30 to 70:70 to 30. The image carrier cleaning method of the present invention is a method for cleaning the surface of an image carrier using a web member. The web member having a polishing portion and a lubricating portion on one side is used as a web member, and a web having a retract mechanism is used. The cleaning is performed by intermittently bringing the web member into contact with the surface of the image carrier by the member pressing means.
【００１０】[0010]
【発明の実施の形態】次に、本発明の像担持体クリーニ
ング装置の実施例を図面によって説明する。図１は、本
発明の像担持体クリーニング装置を備えたクリーニング
装置の一例の概略構成図である。また、図２ないし図５
は、本発明において使用するウエブ部材を示すものであ
って、図２は縦断面図、図３ないし図５は平面図であ
る。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the image carrier cleaning apparatus of the present invention will be described with reference to the drawings. FIG. 1 is a schematic configuration diagram of an example of a cleaning device including the image carrier cleaning device of the present invention. 2 to FIG.
Fig. 2 shows a web member used in the present invention. Fig. 2 is a longitudinal sectional view, and Figs. 3 to 5 are plan views.
【００１１】図１のクリーニング装置において、クリー
ニングブレード７を備えたブレードクリーニング装置６
の後方、すなわち下流側に、本発明の像担持体クリーニ
ング装置が設置されている。このクリーニング装置にお
いて、ウエブ部材２は、その片側表面に、研磨剤層と潤
滑剤層が千鳥状の塗布パターンとして形成されている。
ウエブ・セットロール１から繰り出された上記のウエブ
部材２は、プレッシャーロール４によって像担持体５に
圧接可能になっており、そして巻き取りロール３に巻き
取られるように構成されている。また、プレッシャーロ
ール４にはリトラクト手段が設置され、像担持体との圧
接状態を解除できるようになっている。すなわち、プレ
ッシャーロール４に連接されたアーム９を介して電磁ソ
レノイド１０により、像担持体５との圧接を解除できる
ようになっている。なお、８はＢＣＲ（接触帯電ロー
ル）であって、像担持体を帯電させるために設けられて
いる。In the cleaning device shown in FIG. 1, a blade cleaning device 6 having a cleaning blade 7 is provided.
The image carrier cleaning device of the present invention is installed behind, ie, downstream. In this cleaning device, the web member 2 has an abrasive layer and a lubricant layer formed on one surface thereof in a staggered application pattern.
The web member 2 fed out from the web set roll 1 can be pressed against the image carrier 5 by a pressure roll 4, and is configured to be wound around a winding roll 3. Further, a retracting means is provided on the pressure roll 4 so that the pressure contact with the image carrier can be released. That is, the pressure contact with the image carrier 5 can be released by the electromagnetic solenoid 10 through the arm 9 connected to the pressure roll 4. Reference numeral 8 denotes a BCR (contact charging roll), which is provided to charge the image carrier.
【００１２】ウエブ部材２には、図２ないし図５に示す
ように、ウエブ基体１１の片側表面に、研磨剤層１２と
潤滑剤層１３が千鳥状の塗布パターンとして形成されて
いる。これら千鳥状に設けた研磨部と潤滑部は、それら
の像担持体の表面に対する接触面積が常に３０〜７０：
７０〜３０の範囲になるように配置するのが好ましい。As shown in FIGS. 2 to 5, the web member 2 has an abrasive layer 12 and a lubricant layer 13 formed on one surface of a web base 11 in a staggered application pattern. These staggered polishing portions and lubrication portions always have a contact area on the surface of the image carrier of 30 to 70:
It is preferable to arrange them so as to be in the range of 70 to 30.
【００１３】上記の像担持体クリーニング装置によって
クリーニングを実施する場合には、図示されていない適
宜の手段によって電磁ソレノイド１０を作動させ、アー
ム９を動かすことによってリトラクトしていたプレッシ
ャーロール４を像担持体に押圧する。それによりウエブ
部材２が矢印方向に回転する像担持体の表面を摺擦し
て、潤滑剤層により潤滑性を付与すると共に、研磨剤層
により付着しているトナーおよびトナー以外の付着物を
研磨して除去し、クリーニングが行われる。なお、使用
環境条件により像担持体に圧接させる時間は、任意に設
定することもできる。When cleaning is performed by the above-described image carrier cleaning device, the electromagnetic roller 10 is operated by appropriate means (not shown), and the pressure roller 4 which has been retracted by moving the arm 9 is used to carry the image. Press on the body. As a result, the web member 2 rubs against the surface of the image carrier that rotates in the direction of the arrow to impart lubricity to the lubricant layer, and also polishes the toner adhered by the abrasive layer and the attached matter other than the toner. To remove and clean. It should be noted that the time for pressing against the image carrier can be arbitrarily set depending on the use environment conditions.
【００１４】本発明において使用するウエブ部材におい
て、ウエブ状基体の材質としては、普通紙、アート紙、
不織布、金属薄板、布、人造紙等があげられ、これらは
表面性、引張強度を考慮して適宜使用することができ
る。In the web member used in the present invention, the material of the web-like substrate may be plain paper, art paper,
Non-woven fabrics, thin metal plates, cloths, artificial papers, etc. can be mentioned, and these can be used as appropriate in consideration of surface properties and tensile strength.
【００１５】上記ウエブ基体の片側表面には、研磨剤層
と潤滑剤層が千鳥状に形成されるが、具体的には、研磨
剤を樹脂中に分散させた塗布液をウエブ基体の片面に千
鳥状に塗布して研磨剤層を形成し、次いで、潤滑剤を含
有する塗布液を研磨剤層と重ならないように塗布するこ
とによって潤滑剤層を形成することができる。An abrasive layer and a lubricant layer are formed in a zigzag pattern on one surface of the web substrate. Specifically, a coating solution in which an abrasive is dispersed in a resin is applied to one surface of the web substrate. A lubricant layer can be formed by applying the composition in a staggered manner to form an abrasive layer, and then applying a coating solution containing a lubricant so as not to overlap the abrasive layer.
【００１６】研磨剤を分散させる樹脂としては、公知の
樹脂、例えばエチレン系樹脂、アクリル系樹脂、ポリエ
ステル、エポキシ樹脂等の樹脂が使用できる。また、研
磨剤としては、従来公知のものが使用される。例えば、
炭酸カルシウム、酸化セリウム、酸化マグネシウム、酸
化ケイ素、ケイ酸マグネシウム、ケイ酸カルシウム、硫
酸アルミニウム、硫酸カルシウム、硫酸バリウム、硫酸
マグネシウム、窒化ホウ素等である。これらのなかでも
酸化セリウム、酸化ケイ素、炭酸カルシウム、硫酸バリ
ウムが有効であり、特に酸化セリウムが好適である。研
磨剤の粒径は、通常０．０１〜２０μｍの範囲、特に
０．１〜１０μｍの範囲に設定するのが好ましい。As the resin in which the abrasive is dispersed, known resins, for example, resins such as ethylene resins, acrylic resins, polyesters, and epoxy resins can be used. A conventionally known abrasive is used. For example,
Calcium carbonate, cerium oxide, magnesium oxide, silicon oxide, magnesium silicate, calcium silicate, aluminum sulfate, calcium sulfate, barium sulfate, magnesium sulfate, boron nitride and the like. Among these, cerium oxide, silicon oxide, calcium carbonate, and barium sulfate are effective, and cerium oxide is particularly preferred. The particle size of the abrasive is usually preferably set in the range of 0.01 to 20 μm, particularly preferably in the range of 0.1 to 10 μm.
【００１７】研磨剤と樹脂との比率（重量比）は１０
０：１〜１００：５０の範囲であり、この比率を変化さ
せることにより、研磨効果の程度をコントロールするこ
とができる。樹脂の比率が少ない方が研磨力は小さく、
比率を大きくすると研磨力が高くなるので、その比率は
像担持体の硬度とのつり合いで決定され、一般的には１
００：１０〜１００：３０の範囲が好ましい。The ratio (weight ratio) between the abrasive and the resin is 10
The ratio is in the range of 0: 1 to 100: 50, and the degree of the polishing effect can be controlled by changing the ratio. The smaller the ratio of resin, the smaller the polishing power,
When the ratio is increased, the polishing force is increased. Therefore, the ratio is determined by the balance with the hardness of the image bearing member.
The range of 00:10 to 100: 30 is preferred.
【００１８】一方、潤滑剤層に使用される代表的な潤滑
剤としては、ポリエチレン、ポリテトラフルオロエチレ
ン、ポリエチレンテレフタレート、ポリ弗化ビニリデ
ン、ポリ塩化ビニル、ステアリン酸金属塩、パラフィン
ワックス等の一般溶剤に実質的に不溶性のものが挙げら
れる。潤滑剤の粒径は、特に制限はないが、好ましくは
５０μｍ以下のものが用いられる。潤滑剤は、そのもの
自体を塗布してもよいが、必要に応じて上記樹脂をバイ
ンダーとした混合物の状態で用いることができる。On the other hand, typical lubricants used for the lubricant layer include general solvents such as polyethylene, polytetrafluoroethylene, polyethylene terephthalate, polyvinylidene fluoride, polyvinyl chloride, metal stearate, and paraffin wax. And those substantially insoluble. The particle size of the lubricant is not particularly limited, but is preferably 50 μm or less. The lubricant itself may be applied, but may be used in the form of a mixture using the above resin as a binder, if necessary.
【００１９】[0019]
【実施例】次に、図１に示すクリーニング装置を用いて
クリーニングを実施した場合について、より具体的な実
施例によって説明する。ウエブ部材は次のようにして作
製した。すなわち、千鳥形状に型抜きしたアルミニウム
型板を製作し、不織布の上に重ねた。一方、研磨剤とし
て平均粒径４μｍの酸化セリウムを１００重量部とポリ
エステル樹脂３０重量部を水２００部に添加し、ホモジ
ナイザーにより３０００ｒｐｍで１０分間十分に撹拌し
て分散させ、塗布液を作製した。この塗布液を上記不織
布に、固型分として２０ｇ／ｍ2 の量になるように塗布
した後、１００℃で乾燥して、片面に研磨剤層よりなる
研磨部を形成した。次に、潤滑剤として、平均粒径２０
μｍのステアリン酸亜鉛１００重量部をヘキサン２００
重量部と混合して分散させて潤滑剤含有塗布液を得た。
上記研磨剤層が形成された不織布の上に、研磨剤層と重
ならないようにずらせて千鳥状に形抜きしたアルミニウ
ム型板を置いた後、上記潤滑剤含有塗布液を、固型分と
して２０ｇ／ｍ2 の量になるように塗布し、８０℃で乾
燥して、不織布の片面に図３で示すパターンの千鳥形状
の研磨剤層と潤滑剤層を形成し、ウエブ部材を得た。Next, a case where cleaning is performed using the cleaning device shown in FIG. 1 will be described with reference to a more specific embodiment. The web member was manufactured as follows. That is, an aluminum template cut out in a staggered shape was manufactured and overlaid on a nonwoven fabric. On the other hand, 100 parts by weight of cerium oxide having an average particle diameter of 4 μm and 30 parts by weight of a polyester resin were added to 200 parts of water as an abrasive, and the mixture was sufficiently stirred and dispersed at 3000 rpm for 10 minutes with a homogenizer to prepare a coating liquid. The coating liquid was applied to the nonwoven fabric so as to have a solid content of 20 g / m 2 , and then dried at 100 ° C. to form a polished portion comprising an abrasive layer on one surface. Next, as a lubricant, an average particle diameter of 20
μm of zinc stearate (100 parts by weight)
It was mixed with a part by weight and dispersed to obtain a lubricant-containing coating liquid.
After disposing the aluminum template which was shifted in a zigzag manner so as not to overlap with the abrasive layer on the nonwoven fabric on which the abrasive layer was formed, the lubricant-containing coating solution was added as a solid component in an amount of 20 g. / M 2 and dried at 80 ° C. to form a zigzag abrasive layer and a lubricant layer having a pattern shown in FIG. 3 on one surface of the nonwoven fabric, thereby obtaining a web member.
【００２０】テスト条件として、図１に示すように、ク
リーニングブレードの後方にクリーニングウエブ装置を
設置した複写機を用いて複写を行った。所定のコピーサ
イクル終了後、感光体約２周分の時間だけ電磁ソレノイ
ドを作動させて、プレッシャーロールを感光体に押圧し
てウエブ部材を感光体表面に圧接させ、感光体表面の付
着物質を研磨して除去しながら、潤滑剤の塗布を行っ
た。次いで電磁ソレノイドの作動によりウエブ部材を感
光体表面から離間させ、ウエブ部材を千鳥状の１パター
ン分である約４ｍｍだけ巻き上げ、次の圧接に備えてお
くようにした。この場合、感光体に圧接されている時の
プレッシャーロールの圧接幅は２〜４ｍｍ程度であり、
その時の押圧力は５〜１５Ｎが最適であった。As a test condition, as shown in FIG. 1, copying was performed using a copying machine provided with a cleaning web device behind a cleaning blade. After a predetermined copy cycle is completed, the electromagnetic solenoid is operated for about 2 rounds of the photoreceptor, the pressure roll is pressed against the photoreceptor, and the web member is pressed against the photoreceptor surface, and the adhered substance on the photoreceptor surface is polished The lubricant was applied while removing. Next, the web member was separated from the surface of the photoreceptor by the operation of the electromagnetic solenoid, and the web member was wound up by about 4 mm, which is one staggered pattern, to prepare for the next pressure contact. In this case, the pressure width of the pressure roll when pressed against the photoconductor is about 2 to 4 mm,
The optimal pressing force at that time was 5 to 15 N.
【００２１】更に、本発明の効果を調査するために、次
の実験を行った。すなわち、上記実施例の条件にて次の
ような確認テストを行った。１００枚連続コピーを１コ
ピーサイクルとし、各コピーサイクル終了後、プレッシ
ャーロールを圧接させ、研磨・潤滑剤の付与を実施して
合計１００００枚の複写操作を実施した。なお、比較の
ために、クリーニングブレードによるクリーニングの場
合についても同様に複写を行って評価した。それらの結
果を表１に示す。Further, in order to investigate the effect of the present invention, the following experiment was conducted. That is, the following confirmation test was performed under the conditions of the above-described embodiment. One copy cycle was defined as 100 continuous copies, and after each copy cycle, a pressure roll was pressed into contact, polishing and lubrication were applied, and a total of 10,000 copy operations were performed. For comparison, copying was performed in the same manner as in the case of cleaning with a cleaning blade, and evaluation was performed. Table 1 shows the results.
【００２２】[0022]
【表１】 注）Ｇ１〜Ｇ５は、コピー画質の「文字流れおよび抜
け」の状態についての下記評価基準を示す。 Ｇ１…発生無し、Ｇ２…ハーフトーンエッジ部抜け、Ｇ
３…エッジ部の文字抜け、Ｇ４…軽微な文字流れ、Ｇ５
…重度の文字流れ（判読不能）[Table 1] Note) G1 to G5 indicate the following evaluation criteria for the state of "character deletion and missing" in copy image quality. G1: no occurrence, G2: missing halftone edge, G
3: Character missing at edge, G4: Minor character flow, G5
… Severe character flow (unreadable)
【００２３】上記の結果から明らかなように、従来技術
では１０００枚目の複写物にはエッジ部の文字抜け発
生、２０００枚目には軽微な文字流れが発生し、問題と
なるレベルであった。それに対して、本発明の実施例で
は、１００００枚目の複写物は安定した画質を有するも
のであり、感光体表面へのトナー成分及びトナー以外の
付着物の固着も見られず、感光体表面に付着した物質が
十分に除去されていることが分かった。As is clear from the above results, in the prior art, a character missing at the edge portion occurred on the 1000th copy, and a slight character flow occurred on the 2000th copy, which was a problematic level. . On the other hand, in the embodiment of the present invention, the copy on the 10000th sheet has a stable image quality, and neither the toner component nor the attached matter other than the toner adheres to the photoreceptor surface, and the photoreceptor surface It was found that the substances attached to the surface were sufficiently removed.
【００２４】[0024]
【発明の効果】本発明の像担持体クリーニング装置は、
ウエブ部材として片面に研磨部と潤滑部を有するものを
使用するから、ウエブ部材を一度の送り工程で使用して
潤滑剤の付与と付着物の研磨の両機能を同時に発揮する
ことができる。さらに、そのウエブ部材をリトラクト機
構を有するウエブ部材押圧手段によって間欠的に像担持
体表面に接触させるように構成した場合には、構造が簡
単であってスペースを取ることがなく、また、ウエブ部
材が長期にわたり使用することができる。また、本発明
の像担持体クリーニング方法は、クリーニングブレード
と併用することによって、像担持体表面に潤滑性を付与
しながら、付着した物質を十分に除去することが可能で
あるので、長期にわたってクリーニングを行うことがで
きる。The image carrier cleaning apparatus of the present invention is
Since a web member having a polishing portion and a lubricating portion on one side is used, the web member can be used in a single feeding step to simultaneously exert both functions of applying a lubricant and polishing attached matter. Further, when the web member is intermittently brought into contact with the surface of the image carrier by web member pressing means having a retracting mechanism, the structure is simple and no space is required. Can be used for a long time. In addition, the image carrier cleaning method of the present invention can sufficiently remove adhering substances while imparting lubricity to the image carrier surface by using the cleaning blade together with the cleaning blade. It can be performed.
【図１】 本発明の像担持体クリーニング装置を備えた
クリーニング装置の一例の概略構成図である。FIG. 1 is a schematic configuration diagram of an example of a cleaning device including an image carrier cleaning device of the present invention.
【図２】 本発明に使用するウエブ部材の縦断面図であ
る。FIG. 2 is a longitudinal sectional view of a web member used in the present invention.
【図３】 本発明に使用するウエブ部材の一例の平面図
である。FIG. 3 is a plan view of an example of a web member used in the present invention.
【図４】 本発明に使用するウエブ部材の他の一例の平
面図である。FIG. 4 is a plan view of another example of the web member used in the present invention.
【図５】 本発明に使用するウエブ部材のさらに他の一
例の平面図である。FIG. 5 is a plan view of still another example of the web member used in the present invention.
【図６】 従来のクリーニング装置の概略構成図であ
る。FIG. 6 is a schematic configuration diagram of a conventional cleaning device.
１…ウエブ・セットロール、２…ウエブ部材、３…巻き
取りロール、４…プレッシャーロール、５…像担持体、
６…ブレードクリーニング装置、７…クリーニングブレ
ード、８…ＢＣＲ、９…アーム、１０…電磁ソレノイ
ド、１１…ウエブ基体、１２…研磨剤層、１３…潤滑剤
層。DESCRIPTION OF SYMBOLS 1 ... Web set roll, 2 ... Web member, 3 ... Take-up roll, 4 ... Pressure roll, 5 ... Image carrier,
6 ... Blade cleaning device, 7 ... Cleaning blade, 8 ... BCR, 9 ... Arm, 10 ... Electromagnetic solenoid, 11 ... Web substrate, 12 ... Abrasive layer, 13 ... Lubricant layer.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 赤木 秀行 神奈川県南足柄市竹松1600番地 富士ゼロ ックス株式会社内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Hideyuki Akagi 1600 Takematsu, Minamiashigara City, Kanagawa Prefecture Inside Fuji Xerox Co., Ltd.
Claims (3)
体表面に圧接するウエブ部材押圧手段を有する像担持体
クリーニング装置において、ウエブ部材が片面に研磨部
と潤滑部を有することを特徴とする像担持体クリーニン
グ装置。1. An image carrier cleaning device having a web member and a web member pressing means for pressing the web member against the surface of the image carrier, wherein the web member has a polishing portion and a lubricating portion on one surface. Carrier cleaning device.
有し、ウエブ部材を間欠的に像担持体表面に接触させる
ように構成されてなることを特徴とする請求項１記載の
像担持体クリーニング装置。2. The image carrier cleaning device according to claim 1, wherein the web member pressing means has a retract mechanism, and is configured to intermittently contact the web member with the surface of the image carrier. .
ーニングを行う像担持体クリーニング方法において、ウ
エブ部材として片面に研磨部と潤滑部を有するものを使
用し、リトラクト機構を有するウエブ部材押圧手段によ
り、該ウエブ部材を像担持体表面に間欠的に接触させて
クリーニングを行うことを特徴とする像担持体クリーニ
ング方法。3. An image carrier cleaning method for cleaning the surface of an image carrier using a web member, wherein a web member having a polishing portion and a lubricating portion on one surface is used, and a web member pressing means having a retract mechanism is provided. Wherein the cleaning is performed by intermittently bringing the web member into contact with the surface of the image carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8325264A JPH10161495A (en) | 1996-12-05 | 1996-12-05 | Image carrier cleaning device and method for cleaning same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8325264A JPH10161495A (en) | 1996-12-05 | 1996-12-05 | Image carrier cleaning device and method for cleaning same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10161495A true JPH10161495A (en) | 1998-06-19 |
Family
ID=18174879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8325264A Pending JPH10161495A (en) | 1996-12-05 | 1996-12-05 | Image carrier cleaning device and method for cleaning same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10161495A (en) |
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| JP2008281809A (en) * | 2007-05-11 | 2008-11-20 | Ricoh Co Ltd | Protective agent bar, protective layer film forming apparatus, process cartridge, and image forming apparatus |
| JP2009031550A (en) * | 2007-07-27 | 2009-02-12 | Canon Inc | Image forming apparatus |
| US7514190B2 (en) | 2004-01-29 | 2009-04-07 | Konica Minolta Business Technologies, Inc. | Method for forming an electrophotographic image |
| JP2009282160A (en) * | 2008-05-20 | 2009-12-03 | Ricoh Co Ltd | Image carrier protective agent, protective layer formation apparatus, image forming method, image forming apparatus, and process cartridge |
| JP2009300861A (en) * | 2008-06-16 | 2009-12-24 | Ricoh Co Ltd | Image carrier protective agent, protective layer forming device, image forming method, image forming apparatus and process cartridge |
| US8050614B2 (en) * | 2009-03-09 | 2011-11-01 | Hewlett-Packard Development Company, L.P. | Hard image forming apparatus and method having contamination removal |
-
1996
- 1996-12-05 JP JP8325264A patent/JPH10161495A/en active Pending
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| US7514190B2 (en) | 2004-01-29 | 2009-04-07 | Konica Minolta Business Technologies, Inc. | Method for forming an electrophotographic image |
| JP2008076435A (en) * | 2006-09-19 | 2008-04-03 | Ricoh Co Ltd | Electrophotographic apparatus |
| JP2008281809A (en) * | 2007-05-11 | 2008-11-20 | Ricoh Co Ltd | Protective agent bar, protective layer film forming apparatus, process cartridge, and image forming apparatus |
| JP2009031550A (en) * | 2007-07-27 | 2009-02-12 | Canon Inc | Image forming apparatus |
| JP2009282160A (en) * | 2008-05-20 | 2009-12-03 | Ricoh Co Ltd | Image carrier protective agent, protective layer formation apparatus, image forming method, image forming apparatus, and process cartridge |
| JP2009300861A (en) * | 2008-06-16 | 2009-12-24 | Ricoh Co Ltd | Image carrier protective agent, protective layer forming device, image forming method, image forming apparatus and process cartridge |
| US8050614B2 (en) * | 2009-03-09 | 2011-11-01 | Hewlett-Packard Development Company, L.P. | Hard image forming apparatus and method having contamination removal |
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