JP2004326063A - Image holding body regenerating apparatus - Google Patents

Image holding body regenerating apparatus Download PDF

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Publication number
JP2004326063A
JP2004326063A JP2003157306A JP2003157306A JP2004326063A JP 2004326063 A JP2004326063 A JP 2004326063A JP 2003157306 A JP2003157306 A JP 2003157306A JP 2003157306 A JP2003157306 A JP 2003157306A JP 2004326063 A JP2004326063 A JP 2004326063A
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JP
Japan
Prior art keywords
image
forming substance
image forming
image carrier
holding body
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
Application number
JP2003157306A
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Japanese (ja)
Inventor
Yasuko Yoshikawa
靖子 吉川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Unitechno Co Ltd
Original Assignee
Ricoh Unitechno Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to JP2003157306A priority Critical patent/JP2004326063A/en
Publication of JP2004326063A publication Critical patent/JP2004326063A/en
Pending legal-status Critical Current

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  • Accessory Devices And Overall Control Thereof (AREA)
  • Cleaning In Electrography (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image holding body regenerating apparatus for removing an image forming substance from an image holding body and regenerating the image holding body, the apparatus realizing that by detecting the repeated times of removing the image forming substance from the image holding body, an image holding body which can be reused can be efficiently separated from an image holding body which can not be reused, and the use limit of an image holding body can be estimated. <P>SOLUTION: The regenerating apparatus for an image holding body has a means to apply a destabilizing agent which decreases deposition power of an image forming substance on an image holding body with an image forming substance deposited thereon, then to remove the image forming substance and to generate the image holding body. The regenerating apparatus is constituted in such a manner that: the destabilizing agent used for the above means is colored by using a dye; the density of the dye depositing on a part of the image holding body where the image forming substance does not deposit is measured and compared to specified reference density so as to detect the repeated times of removing the image forming substance; and an image holding body which can be reused is separated from an image holding body which can not be reused. Further, a function to display the repeated times of removing the image forming substance is added to the regenerating apparatus so that the use limit of the image holding body is estimated to improve the efficiency of separation. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

【発明の属する技術分野】
画像保持体表面に形成された画像形成物質を除去して、画像保持体の再生処理を行う画像保持体再生装置に関するものである。
【0002】
【従来の技術】
従来の画像保持体から画像形成物質を除去する装置では、特許第3247967号のように、画像形成物質除去処理結果を画像形成物質除去後の画像保持体に処理状況マークをマーキングし、それを検知して除去処理回数を検出し、画像形成物質除去手段の処理プロセス条件を変更する方法がある。なおこの場合、処理状況マークは画像形成物質除去手段で除去可能である。
【0003】
また、特許第2965368号では、画像形成物質除去処理後に画像保持体の再生面に残留した画像形成物質濃度を検知して、再使用不可の濃度であれば該画像保持体の回収手段へ搬送経路を切替え、所定濃度以下で再使用可能である場合はそれを貯蔵手段に向けて搬送し、印字装置に向けての給送を可能にしている。
【0004】
【発明が解決しようとする課題】
特許第3247967号では、画像保持体の再利用可・不可の判断や、繰り返し除去処理による再除去プロセス条件の変化に対応するために画像形成物質の除去処理状況を画像保持体にマーキングしているが、画像保持体には様々な画像を印字するので、画像によってはそのマーキングが邪魔になる欠点が有った。
【0005】
また、特許第2965368号のように、画像形成物質除去処理後に画像保持体の再生面に残留した画像形成物質濃度を検知する方法では、画像保持体の画像形成物質除去処理回数を検知出来ず、使用限度を把握出来ず、無駄な画像形成物質除去処理を実施してしまう欠点が有った。
【0006】
【課題を解決するための手段】
請求項1の発明は、不安定化剤を染料によって着色することで、画像保持体から画像形成物質の除去を行うと画像保持体に染料が付着することで、未使用または画像形成物質除去処理を実施したことのない画像保持体と画像形成物質除去処理を実施して再生した画像保持体との識別を明確にする手段である。
【0007】
請求項2の発明は、請求項1の発明実施により、染料の付着した画像保持体の表面濃度を所定の基準濃度と比較して画像形成物質除去処理回数を検知することで、画像の邪魔になるマーキングをせずに画像形成物質除去処理回数を検知する手段である。
【0008】
請求項3から4の発明は、染料の付着した画像保持体の表面濃度を検知する際、画像形成物質が付着していない部分を特定して検知する手段を用いることで、確実に画像保持体の地肌部分の濃度による判断を行い、画像形成物質除去処理回数検知の精度を向上する手段である。
【0009】
請求項5の発明は、画像形成物質除去処理回数をユーザーに知らせる手段で、ここの表示により、ユーザーは画像保持体の使用限度を知ることが出来る。
【0010】
請求項6の発明は、請求項2から4において、濃度を検知した結果、所定の画像形成物質除去処理回数に達した画像保持体とそれに達していない保持体とを分別して無駄な画像形成物質除去処理を防止する手段である。
【0011】
請求項7の発明は、請求項2の方法に使用した不安定化剤において、染料の色や濃度を変更したとき、染料の色や濃度の変更度合いに応じて濃度の基準を変更して、画像保持体の使用限度をユーザーが任意の使用限度に設定することを可能にする手段である。
【0012】
【発明の実施例】
第1図の本発明を応用した画像形成物質除去装置の模式図によって説明すれば、この装置は以下の主要な部分によって構成されている。
▲1▼の部分は、濃度センサ4、再生回数判定手段5、再生回数表示部6で構成され、画像保持体に付着した染料の濃度を測定し、画像保持体の画像形成物質除去処理回数が所定の回数に達したかどうかを判断する除去処理回数を検知手段である。
【0013】
▲2▼の部分は、▲1▼の部分で判断した結果、画像形成物質除去処理回数が所定の回数に達した画像保持体と達しない画像保持体を再生回数判定手段5からの指令により分別する機能を有し、所定回数に達した画像保持体は廃紙トレイ9に送り、所定回数に達していない画像保持体は不安定化剤塗布ローラ12に送りだす機能を有する用紙分別手段である。
【0014】
▲3▼の部分は、所定の画像形成物質除去処理回数に達していない画像保持体に染料で着色された不安定化液を塗布したのち、画像形成物質の除去を行い、用紙トレイ22に除去処理済画像保持体21を貯蔵する機能を有する画像保持体再生手段である。
【0015】
▲4▼の部分は、用紙トレイ22に貯蔵された除去処理済画像保持体21を用紙自動補給装置23により複写機等24に補給して除去処理済画像保持体21を再利用する手段の構成例である。
【0016】
以上のように構成された本発明の画像形成物質除去装置による画像保持体の再生は次のように行われる。画像形成物質の付着した面を下側にして、カセット1に貯蔵された画像保持体2は、図示しない分離装置により1枚ずつ分離され、給紙ローラ3にて1枚ずつ除去回数検知部▲1▼に送られる。
【0017】
除去回数検知部▲1▼では、濃度センサ4により画像形成物質の付着していない部分の画像保持体の濃度を測定し、測定結果を再生回数判定手段5で所定の基準濃度と比較して画像形成物質除去処理回数を判断し、再生回数表示部6に数値を表示する。
【0018】
再生回数判定手段5で所定の画像形成物質除去処理回数を越えていると判断した場合は自動分別部▲2▼に信号を送り、搬送経路を切り替えて再使用不可画像保持体8として廃紙トレイ9に排紙する。
【0019】
所定の画像形成物質除去処理回数に満たないと判断した場合は、不安定化剤塗布ローラ12に送られる。
【0020】
不安定化剤塗布ローラ12により不安定化剤が塗布され、画像形成物質との付着力が弱められた画像保持体は、剥離ベルト15を挟んで圧接するように位置された加圧ローラ14とヒータを内蔵した加熱ドラム13により加熱、圧接されながら送られる。このとき軟化した画像形成物質は、剥離ベルト15への付着力を生じ画像保持体から剥がれ、剥離ベルト15側に移動付着する。
【0021】
剥離ベルト15に付着した画像形成物質はバックアップローラ16、と相対して回転するクリーニングローラ17により除去され、容器19に回収される。
【0022】
画像形成物質が剥離された画像保持体は、排紙ローラ20を経て除去処理済画像保持体21として用紙トレイ22に貯蔵される。貯蔵された除去処理済画像保持体21は複写機やプリンタ等に再使用する。
【0023】
【発明の効果】
請求項1の効果は、不安定化剤10を染料により着色してあるので、画像保持体を画像形成物質剥離装置に通すと画像保持体が染料により着色されるので画像形成物質除去処理をした画像保持体と画像形成物質除去処理をしたことが無い画像保持体との判別を容易につけることができる。
【0024】
請求項2から7の効果は、画像形成物質除去処理を繰り返すことにより増えて行く画像保持体に付着した染料の濃度を画像保持体の地肌部分で測定し、再生回数判定手段5により所定の基準濃度と比較判定して、画像形成物質除去処理を行う前に画像保持体を再使用可能、または不可能に分別するので無駄な画像形成物質除去処理を避けることが出来る。また、再生回数表示部は画像形成物質除去処理回数を表示するのでユーザーが使用限度を把握することが出来る。
【0025】
【図面の簡単な説明】
【図1】本発明を応用した画像形成物質除去装置の模式図である。
【図2】除去処理回数検知部の濃度センサの構成である。
【符号の説明】
▲1▼は、除去処理回数を検知手段
▲2▼は、用紙分別手段
▲3▼は、画像保持体再生手段
▲4▼は、再利用する手段の構成例
1は、カセット
2は、画像保持体
3は、給紙ローラ
4は、濃度センサ
4Aは、センサ
4Bは、ピークホールド回路
5は、再生回数判定手段
6は、再生回数表示部
7は、用紙分別部
8は、再使用不可画像保持体
9は、廃紙トレイ
10は、不安定化剤
11は、ベルト
12は、不安定化剤塗布ローラ
13は、加熱ドラム
14は、加圧ローラ
15は、剥離ベルト
16は、バックアップローラ
17は、クリーニングローラ
18は、除去された画像形成物質
19は、容器
20は、排紙ローラ
21は、除去処理済画像保持体
22は、用紙トレイ
23は、用紙自動補給装置
24は、複写機等
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image carrier reproducing apparatus that performs an image carrier reproducing process by removing an image forming substance formed on the surface of an image carrier.
[0002]
[Prior art]
In a conventional apparatus for removing an image forming substance from an image carrier, a processing status mark is marked on the image carrier after removing the image forming substance, and the result is detected, as disclosed in Japanese Patent No. 3247967. There is a method of detecting the number of times of removal processing and changing the processing conditions of the image forming substance removing means. In this case, the processing status mark can be removed by the image forming substance removing means.
[0003]
In Japanese Patent No. 2965368, the concentration of the image forming substance remaining on the reproduction surface of the image holding member after the image forming substance removing process is detected, and if the density cannot be reused, the conveyance path to the collection means of the image holding member is detected. Is switched over, and if it can be reused at a predetermined density or less, it is conveyed to the storage means, and the paper can be fed to the printing device.
[0004]
[Problems to be solved by the invention]
In Japanese Patent No. 3,247,967, the state of removal processing of an image forming substance is marked on the image holder in order to determine whether the image holder can be reused or to respond to a change in re-removal process conditions due to repeated removal processing. However, since various images are printed on the image carrier, there is a drawback that the markings hinder some images.
[0005]
Also, as in Japanese Patent No. 2965368, in the method of detecting the concentration of the image forming substance remaining on the reproduction surface of the image carrier after the image forming substance removal processing, the number of times of the image forming substance removal processing of the image carrier cannot be detected. There was a drawback that the use limit could not be grasped and useless image forming substance removal processing was performed.
[0006]
[Means for Solving the Problems]
According to the first aspect of the present invention, when the image forming substance is removed from the image carrier by coloring the destabilizing agent with a dye, the dye adheres to the image carrier, and the unused or image forming substance removal treatment is performed. Is a means for clarifying the distinction between an image carrier that has never been performed and an image carrier that has been reproduced by performing the image forming substance removing process.
[0007]
According to a second aspect of the present invention, by performing the invention of the first aspect, the surface density of the image carrier to which the dye is attached is compared with a predetermined reference density to detect the number of times of the image forming substance removal processing, thereby obstructing the image. This is a means for detecting the number of times the image forming substance is removed without performing any marking.
[0008]
The invention according to claims 3 and 4 is characterized in that, when detecting the surface density of the image carrier to which the dye has adhered, a means for specifying and detecting a portion to which the image forming substance is not adhered is used, so that the image carrier is surely detected. This is a means for improving the accuracy of detecting the number of times of image forming substance removal processing by making a determination based on the density of the background portion.
[0009]
The invention according to claim 5 is a means for notifying the user of the number of times of the image forming substance removal processing. The display here allows the user to know the usage limit of the image carrier.
[0010]
According to a sixth aspect of the present invention, there is provided the image forming apparatus according to any one of the second to fourth aspects, wherein as a result of detecting the density, the image carrier that has reached a predetermined number of image-forming substance removal processes and the carrier that has not reached the predetermined number are separated. This is a means for preventing the removal processing.
[0011]
The invention of claim 7 is the destabilizing agent used in the method of claim 2, wherein when the color or density of the dye is changed, the standard of the density is changed according to the degree of change in the color or density of the dye. This is a means for enabling the user to set the use limit of the image carrier to an arbitrary use limit.
[0012]
DESCRIPTION OF THE PREFERRED EMBODIMENTS
Referring to the schematic diagram of the image forming substance removing apparatus to which the present invention is applied in FIG. 1, this apparatus is constituted by the following main parts.
The part (1) is composed of the density sensor 4, the number-of-reproductions determination means 5, and the number-of-reproductions display unit 6. The density of the dye adhered to the image carrier is measured. The number of times of removal processing for judging whether or not the number has reached a predetermined number is a detecting means.
[0013]
As for the part (2), as a result of the judgment in the part (1), the image carrier whose number of times of image forming substance removal processing has reached a predetermined number and the image carrier that does not reach the predetermined number are discriminated by a command from the reproduction number determination means 5. This is a sheet separating unit having a function of sending the image holder having reached a predetermined number of times to the waste paper tray 9 and sending out the image holder not reaching the predetermined number of times to the destabilizing agent applying roller 12.
[0014]
In the part of (3), after the destabilizing liquid colored with the dye is applied to the image carrier that has not reached the predetermined number of times of the image forming substance removal processing, the image forming substance is removed, and then removed to the paper tray 22. This is an image carrier reproducing means having a function of storing the processed image carrier 21.
[0015]
The part of (4) is a configuration of means for reusing the removed image holding body 21 stored in the paper tray 22 to the copying machine 24 by the automatic paper supply device 23 to reuse the removed image holding body 21. It is an example.
[0016]
Reproduction of the image carrier by the image forming substance removing apparatus of the present invention configured as described above is performed as follows. The image carrier 2 stored in the cassette 1 is separated one by one by a separating device (not shown) with the surface on which the image forming substance is attached facing downward, and the number of removals is detected one by one by the paper feed roller 3. Sent to 1 ▼.
[0017]
In the number-of-removals detecting unit (1), the density sensor 4 measures the density of the image carrier in a portion where the image forming substance is not adhered, and compares the measurement result with a predetermined reference density by the reproduction frequency determination means 5 to determine the image density. The number of formed material removal processes is determined, and a numerical value is displayed on the number-of-reproductions display section 6.
[0018]
If the number-of-reproductions determining means 5 determines that the predetermined number of times of the image forming substance removal processing has been exceeded, a signal is sent to the automatic sorting section {circle around (2)}, the transport path is switched, and the waste paper tray 8 is used as the non-reusable image holder 8. 9 is discharged.
[0019]
When it is determined that the number of times the predetermined number of image forming substance removal processes has not been reached, the image forming material is sent to the destabilizing agent applying roller 12.
[0020]
The destabilizing agent is applied by the destabilizing agent applying roller 12, and the image holding body having the weakened adhesive force with the image forming substance is brought into contact with the pressing roller 14 positioned so as to be pressed against the peeling belt 15. It is sent while being heated and pressed by a heating drum 13 having a built-in heater. At this time, the softened image forming substance generates an adhesive force to the peeling belt 15, peels off from the image holding member, and moves and adheres to the peeling belt 15 side.
[0021]
The image forming substance adhering to the peeling belt 15 is removed by a backup roller 16 and a cleaning roller 17 rotating relative to the backup roller 16, and is collected in a container 19.
[0022]
The image carrier from which the image forming substance has been peeled off is stored in a paper tray 22 as a removed image carrier 21 via a paper discharge roller 20. The stored removed image carrier 21 is reused in a copying machine, a printer, or the like.
[0023]
【The invention's effect】
The effect of claim 1 is that, since the destabilizing agent 10 is colored with a dye, the image carrier is colored with the dye when the image carrier is passed through an image forming substance peeling device. It is possible to easily distinguish an image carrier from an image carrier that has not been subjected to the image forming substance removal processing.
[0024]
The effect of claims 2 to 7 is that the density of the dye attached to the image carrier, which is increased by repeating the image forming substance removing process, is measured at the background portion of the image carrier, and the reproduction number determination means 5 determines the predetermined reference. Before performing the image forming substance removing process, the image holding member is separated into reusable or impossible ones before performing the image forming substance removing process, so that useless image forming substance removing process can be avoided. In addition, the number-of-reproductions display unit displays the number of times of the image forming substance removal processing, so that the user can grasp the usage limit.
[0025]
[Brief description of the drawings]
FIG. 1 is a schematic view of an image forming substance removing apparatus to which the present invention is applied.
FIG. 2 is a configuration of a density sensor of a removal processing number detection unit.
[Explanation of symbols]
(1) means for detecting the number of times of removal processing; (2) means for paper separation; (3) means for regenerating image carrier; (4) means for reusing. The body 3, the paper feed roller 4, the density sensor 4 A, the sensor 4 B, the peak hold circuit 5, the number-of-reproductions determining means 6, the number-of-reproductions display unit 7, the paper sorting unit 8, and a non-reusable image holding unit The body 9 includes a waste paper tray 10, a destabilizing agent 11, a belt 12, a destabilizing agent applying roller 13, a heating drum 14, a pressure roller 15, a peeling belt 16, and a backup roller 17. A cleaning roller 18; a removed image forming substance 19; a container 20; a discharge roller 21; a removed image holder 22; a paper tray 23; an automatic paper supply device 24;

Claims (7)

表面に画像形成物質が安定に付着している画像保持体から、画像形成物質の付着力を弱める不安定化剤を用い画像形成物質を除去する画像保持体再生方法を用いる画像保持体再生装置において、不安定化剤を染料によって着色したことを特徴とした画像保持体再生装置。In an image carrier regenerating apparatus using an image carrier regenerating method for removing an image forming material from an image carrier having an image forming material stably adhered to its surface using a destabilizing agent that weakens the adhesion of the image forming material. And a destabilizing agent colored by a dye. 請求項1の画像保持体再生装置において、画像保持体の表面濃度を所定の基準濃度と比較して画像形成物質除去処理回数を検知することを特徴とした画像保持体再生装置。2. The image carrier reproducing apparatus according to claim 1, wherein the number of image forming substance removal processes is detected by comparing the surface density of the image carrier with a predetermined reference density. 請求項2の画像保持体再生装置において、画像保持体表面の画像形成物質が付着していない部分又は、画像範囲外の濃度を検知して画像形成物質除去処理回数を検知することを特徴とした画像保持体再生装置。3. The image carrier reproducing apparatus according to claim 2, wherein the number of image forming substance removal processes is detected by detecting a portion of the surface of the image carrier on which the image forming substance is not attached or a density outside the image range. Image carrier reproducing device. 請求項3の画像保持体再生装置において、画像保持体表面の濃度のピーク値を検知して画像形成物質除去処理回数を検知することを特徴とした画像保持体再生装置。4. The image carrier reproducing apparatus according to claim 3, wherein the number of image forming substance removal processes is detected by detecting a peak value of the density on the surface of the image carrier. 請求項2から4の、画像保持体再生装置において、画像形成物質除去処理回数検知結果を表示することを特徴とした画像保持体再生装置。5. The image carrier reproducing apparatus according to claim 2, wherein a detection result of the number of times of image forming substance removal processing is displayed. 請求項2から4の、画像保持体再生装置において、濃度を検知した結果、所定の画像形成物質除去処理回数に達した画像保持体とそれに達していない保持体とを自動分別し、所定の画像形成物質除去処理回数に満たない画像保持体のみを再生処理することを特徴とした画像保持体再生装置。5. The image carrier reproducing apparatus according to claim 2, wherein, as a result of detecting the density, the image carrier that has reached a predetermined number of image forming substance removal processes and the carrier that has not reached the predetermined number of times are automatically separated to obtain a predetermined image. An image carrier reproducing apparatus, wherein only an image carrier less than the number of forming substance removal processes is reproduced. 請求項1から6の画像保持体再生装置において、不安定化剤の染料の色や濃度を変更したとき、染料の色や濃度の変更度合いに応じて濃度の基準を任意に変更できることを特徴とした画像保持体再生装置。
【0001】
7. The image carrier reproducing apparatus according to claim 1, wherein when the color or the density of the dye of the destabilizing agent is changed, the standard of the density can be arbitrarily changed according to the degree of change of the color or the density of the dye. Image carrier reproducing device.
[0001]
JP2003157306A 2003-04-25 2003-04-25 Image holding body regenerating apparatus Pending JP2004326063A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010091891A (en) * 2008-10-10 2010-04-22 Ricoh Co Ltd Image removing device and image forming and removing system
JP2010094958A (en) * 2008-10-20 2010-04-30 Murata Machinery Ltd Recording paper recycling apparatus
JP2020066163A (en) * 2018-10-24 2020-04-30 東芝テック株式会社 Reproduction apparatus and image formation system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010091891A (en) * 2008-10-10 2010-04-22 Ricoh Co Ltd Image removing device and image forming and removing system
JP2010094958A (en) * 2008-10-20 2010-04-30 Murata Machinery Ltd Recording paper recycling apparatus
JP2020066163A (en) * 2018-10-24 2020-04-30 東芝テック株式会社 Reproduction apparatus and image formation system

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