JP3292385B2 - Image forming device - Google Patents
Image forming deviceInfo
- Publication number
- JP3292385B2 JP3292385B2 JP27431392A JP27431392A JP3292385B2 JP 3292385 B2 JP3292385 B2 JP 3292385B2 JP 27431392 A JP27431392 A JP 27431392A JP 27431392 A JP27431392 A JP 27431392A JP 3292385 B2 JP3292385 B2 JP 3292385B2
- Authority
- JP
- Japan
- Prior art keywords
- image forming
- forming apparatus
- dispersion
- light
- image
- 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.)
- Expired - Fee Related
Links
- 239000006185 dispersion Substances 0.000 claims description 23
- 230000001678 irradiating effect Effects 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 10
- 108091008695 photoreceptors Proteins 0.000 claims description 9
- 239000003125 aqueous solvent Substances 0.000 claims description 8
- 239000002612 dispersion medium Substances 0.000 claims description 7
- 239000002609 medium Substances 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 7
- 230000001590 oxidative effect Effects 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 description 15
- 230000003287 optical effect Effects 0.000 description 10
- 239000000049 pigment Substances 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 7
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 239000012860 organic pigment Substances 0.000 description 4
- 210000004694 pigment cell Anatomy 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- -1 11-ferrocenyl undecyl tridecaethylene glycol Chemical compound 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001443 photoexcitation Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Printer (AREA)
- Electrophotography Using Other Than Carlson'S Method (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Dot-Matrix Printers And Others (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、光プリンター等の画像
形成装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image forming apparatus such as an optical printer.
【０００２】[0002]
【従来の技術】従来、光プリンターは、電子写真プロセ
スを用いた、レーザープリンター、ＬＥＤプリンター、
ＬＣＤプリンターなどであった。2. Description of the Related Art Conventionally, an optical printer is a laser printer, an LED printer, and the like using an electrophotographic process.
LCD printers, etc.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記の
光プリンターは、電子写真プロセスを用いるため、帯
電、露光による静電潜像形成、トナーによる現像、転
写、定着、残留トナーの清掃、静電潜像の消去からなる
複雑なプロセスを必要とする。また、近年、帯電プロセ
スにより発生するオゾンが、オフィス環境に悪影響を及
ぼすという問題が持ち上がっており、オゾンフリーの光
プリンターが求められている。However, since the above-mentioned optical printer uses an electrophotographic process, it forms an electrostatic latent image by charging and exposure, develops with toner, transfers, fixes, cleans residual toner, and removes electrostatic latent images. Requires a complicated process consisting of erasing the image. In recent years, there has been raised a problem that ozone generated by a charging process has a bad influence on an office environment, and an ozone-free optical printer has been demanded.
【０００４】本発明は、上述した問題点を解決するため
になされたものであり、オゾンを生じない、より簡単な
プロセスからなる画像形成装置を提供することを目的と
している。The present invention has been made in order to solve the above-mentioned problems, and has as its object to provide an image forming apparatus which does not generate ozone and has a simpler process.
【０００５】[0005]
【課題を解決するための手段】この目的を達成するため
に本発明の請求項１に記載の画像形成装置は、界面活性
剤により分散媒中に着色粒子を分散させた分散液に接触
して回転すると共に、外周部に光半導体特性を有する感
光層が形成された感光体と、その感光体の感光層に光を
照射することにより感光層に正孔を生じさせる光照射手
段とを備えた画像形成装置であって、前記光照射手段か
ら光が照射されたときに、前記感光体の感光層に生じた
正孔の酸化力を利用して前記分散液を酸化させ、界面活
性剤の機能を失わせることにより、分散液中の着色粒子
を感光層に付着させた後、前記感光体上の所定の位置で
着色粒子を記録媒体上に転写させ、その記録媒体上に所
定の画像を形成することを特徴としている。In order to achieve the above object, an image forming apparatus according to the first aspect of the present invention comprises a surface active material.
A photoreceptor having a photosensitive layer having photo-semiconductor properties formed on the outer periphery while rotating in contact with a dispersion liquid in which colored particles are dispersed in a dispersion medium by an agent, and irradiating light to the photosensitive layer of the photoreceptor And a light irradiating means for generating holes in the photosensitive layer by performing light irradiation from the light irradiating means when the light is radiated from the light irradiating means. by utilizing the oxidizing power to oxidize the dispersion, surface activity
The Rukoto to lose the function of sexual agent, after the deposition of the colored particles in the dispersion in the photosensitive layer, wherein at a predetermined position on the photosensitive member is transferred to the colored particles onto the recording medium, on that recording medium It is characterized in that a predetermined image is formed.
【０００６】また、請求項２に記載の画像形成装置は、
前記分散媒を水系溶媒としたことを特徴としている。[0006] Further, the image forming apparatus according to the second aspect of the present invention,
It is characterized in that the dispersion medium is an aqueous solvent.
【０００７】また、請求項３に記載の画像形成装置は、
前記水系溶媒を水としたことを特徴としている。The image forming apparatus according to claim 3 is
It is characterized in that the aqueous solvent is water.
【０００８】また、請求項４に記載の画像形成装置は、
前記画像は、前記光照射手段が光を照射すると略同時に
前記感光体上に形成されることを特徴としている。The image forming apparatus according to claim 4 is
The image is formed on the photoconductor substantially at the same time when the light irradiating unit irradiates light.
【０００９】また、請求項５に記載の画像形成装置は、
前記光照射手段は、前記感光体の内部に設けられている
ことを特徴としている。Further, the image forming apparatus according to the present invention is characterized in that:
The light irradiation means is provided inside the photoconductor.
【００１０】[0010]
【作用】上記構成を有する本発明の請求項１に記載の画
像形成装置において、感光体は、界面活性剤により水系
溶媒の分散媒中に着色粒子を分散させた分散液に接触し
て回転、光照射手段は、感光体の感光層に光を照射して
正孔を生じさせる。そして、分散液中の着色粒子は、感
光層に生じた正孔の酸化力により酸化され、界面活性剤
の機能が失わされた分散液から析出されて感光体上に付
着し、感光体の回転に伴って移動する。そして、移動さ
れた着色粒子は被記録媒体上に転写され、その被記録媒
体上に所定の画像を形成する。従って、帯電、露光によ
る静電潜像形成、トナーによる現像、転写、定着、残留
トナーの清掃、静電潜像の消去からなる複雑な電子写真
プロセスを用いないため、装置を簡便且つ小型に構成で
きるとともに、オゾンが発生せず、オフィス環境に悪影
響を及ぼすことはない。In the image forming apparatus according to the first aspect of the present invention, the photoreceptor is rotated by being brought into contact with a dispersion obtained by dispersing colored particles in a dispersion medium of an aqueous solvent with a surfactant , The light irradiating unit irradiates the photosensitive layer of the photoconductor with light to generate holes. The colored particles in the dispersion are oxidized by the oxidizing power of the holes generated in the photosensitive layer, and the surfactant is
Is deposited from the dispersion liquid whose function has been lost , adheres to the photoreceptor, and moves with the rotation of the photoreceptor. Then, the moved colored particles are transferred onto a recording medium, and a predetermined image is formed on the recording medium. Therefore, the apparatus is simple and compact because it does not use a complicated electrophotographic process including charging, exposure, formation of an electrostatic latent image, development with toner, transfer, fixing, cleaning of residual toner, and erasure of the electrostatic latent image. As much as possible, it does not generate ozone and does not adversely affect the office environment.
【００１１】また、請求項２に記載の画像形成装置にお
いて、分散媒を水系溶媒としたので、従来の油系溶媒に
比べ、分散液の難燃性を確保できるとともに、分散液か
ら発生する悪臭を防止することができる。Further, in the image forming apparatus according to the present invention, since the dispersion medium is an aqueous solvent, the flame retardancy of the dispersion can be secured as compared with a conventional oil solvent, and the odor generated from the dispersion can be ensured. Can be prevented.
【００１２】また、請求項３に記載の画像形成装置にお
いて、水系溶媒を水としたので、分散液の難燃性を更に
確保できるとともに、分散液から発生する悪臭を更に防
止することができる。Further, in the image forming apparatus according to the third aspect, since the aqueous solvent is water, the flame retardancy of the dispersion can be further secured, and the odor generated from the dispersion can be further prevented.
【００１３】また、請求項４に記載の画像形成装置にお
いて、画像は、光照射手段の光の照射と略同時に前記感
光体上に形成されるので、帯電、露光による静電潜像形
成、トナーによる現像、転写、定着、残留トナーの清
掃、静電潜像の消去からなる複雑な電子写真プロセスを
用いないため、装置を簡便且つ小型に構成できるととも
に、オゾンが発生せず、オフィス環境に悪影響を及ぼす
ことはない。Further, in the image forming apparatus according to the present invention, an image is formed on the photoreceptor substantially simultaneously with the irradiation of the light by the light irradiation means. Does not use a complicated electrophotographic process consisting of development, transfer, fixing, cleaning of residual toner, and erasing of an electrostatic latent image, the apparatus can be configured simply and compactly, and ozone is not generated, adversely affecting the office environment. Does not affect.
【００１４】また、請求項５に記載の画像形成装置にお
いて、光照射手段は、感光体の内部に設けられているの
で、光照射手段の設置領域を確保する必要がなく、画像
形成装置自体を更にコンパクトに設計できる。Further, in the image forming apparatus according to the present invention, since the light irradiating means is provided inside the photoreceptor, it is not necessary to secure an installation area for the light irradiating means. It can be designed more compact.
【００１５】[0015]
【実施例】以下、本発明を具体化した一実施例を図面を
参照して説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.
【００１６】図１は、本発明の画像形成方法を用いた光
プリンターの、露光による画像形成工程、転写、定着、
残留顔料の清掃プロセスを実施する装置の構成図であ
る。N2レーザーを用いた紫外線光源１は、図２に示すよ
うに、感光層である酸化チタン(TiO2)１０，透明層であ
るとともに、透明電極層である透明電極(ITO)１１，及
び透明層であるとともに、透明支持層であるガラス基板
１２の積層構造を持った感光体である感光ドラム２の内
側にセットされ、周知のポリゴンミラーにより、感光ド
ラム２の軸線方向に露光可能である。またその外側に
は、紫外線光源１と向かい合うようにして、顔料セル３
がセットされる。顔料セル３中には、分散液である顔料
分散液４が感光ドラム２に接するように満たされてい
る。FIG. 1 shows an image forming process by exposure, transfer, fixing, and the like of an optical printer using the image forming method of the present invention.
It is a block diagram of the apparatus which performs the cleaning process of a residual pigment. As shown in FIG. 2, an ultraviolet light source 1 using an N2 laser includes a titanium oxide (TiO2) 10 as a photosensitive layer, a transparent layer, a transparent electrode (ITO) 11 as a transparent electrode layer, and a transparent layer. In addition, it is set inside the photosensitive drum 2 which is a photosensitive member having a laminated structure of a glass substrate 12 which is a transparent support layer, and can be exposed in the axial direction of the photosensitive drum 2 by a known polygon mirror. On the outside thereof, the pigment cell 3 is set so as to face the ultraviolet light source 1.
Is set. The pigment cell 3 is filled with a pigment dispersion 4 as a dispersion so as to be in contact with the photosensitive drum 2.
【００１７】顔料分散液４は、界面活性剤としてＦＰＥ
Ｇ(11-ferrocenyl undecyl tridecaethylene glycol et
her)、及び電解質として臭化リチウム(LiBr)を分散媒で
ある水系溶媒としてのイオン交換水にそれぞれの濃度が
２．０ｍＭ(ミリ・モル)および０．１Ｍ(モル)になるように加
え、次に、上記溶液に着色粒子としての疎水性有機顔料
であるカーボンブラックを７ｍＭになるように添加し数
時間攪はんを行なう。この溶液に３０分間超音波照射を
行ない、その後さらに数時間攪はんを行なった後、室温
（約２５℃）にて２４時間静置し、２４時間経過後、上
澄み液を分取して作製した。The pigment dispersion 4 contains FPE as a surfactant.
G (11-ferrocenyl undecyl tridecaethylene glycol et
her), and lithium bromide (LiBr) as an electrolyte were added to ion-exchanged water as an aqueous solvent as a dispersion medium so that their concentrations were 2.0 mM (milli-mol) and 0.1 M (mol), respectively. Next, carbon black as a hydrophobic organic pigment as coloring particles is added to the above solution to a concentration of 7 mM, and the mixture is stirred for several hours. This solution was subjected to ultrasonic irradiation for 30 minutes, and then stirred for several hours, and then allowed to stand at room temperature (about 25 ° C.) for 24 hours. After 24 hours, the supernatant was separated and prepared. did.
【００１８】さらに、感光ドラム２の外周には、その回
転方向に従って、乾燥用空気吹き出し口５、紙７に画像
を転写・定着させるための加圧ローラ６、クリーニング
ブレード８がそれぞれ配置されている。Further, on the outer periphery of the photosensitive drum 2, a drying air blowout port 5, a pressure roller 6 for transferring and fixing an image on paper 7 and a cleaning blade 8 are arranged in accordance with the rotation direction. .
【００１９】次に、実施例の光プリンターの画像形成方
法を図１を用いて順に説明する。まず、感光ドラム２を
定速で回転させた状態において、光プリンターに対して
コンピューター等から送られてきた画像信号に基づい
て、光照射手段である紫外線光源１の波長３３７ｎｍ(ナ
ノ・メートル)のN2レーザー光をポリゴンミラーにより走査し
ながら、光像である画像パターンとして感光ドラム２の
内側から、ガラス基板１２、透明電極(ITO)１１を通し
てドラム２の酸化チタン(TiO2)１０を露光する。ｎ型半
導体である酸化チタン(TiO2)１０のバンドギャップに相
当する４００ｎｍよりも短波長の紫外線が酸化チタン(T
iO2)１０に照射されると、光励起により価電子帯に正孔
が生ずる。この正孔は強い酸化力を有するため、酸化チ
タン(TiO2)１０に接している顔料セル３中の顔料分散液
４を酸化させ、顔料分散液４に含まれる界面活性材であ
るＦＰＥＧに酸化還元反応を起こさせる。この酸化還元
反応によりＦＰＥＧは界面活性材としての機能を失い、
有機顔料表面から離れていくため、疎水性である有機顔
料が酸化チタン(TiO2)１０表面に堆積し、感光ドラム２
上に顔料による画像が形成される。Next, an image forming method of the optical printer according to the embodiment will be described in order with reference to FIG. First, in a state where the photosensitive drum 2 is rotated at a constant speed, based on an image signal sent from a computer or the like to an optical printer, a wavelength of 337 nm (nanometer) of the ultraviolet light source 1 as a light irradiation unit is used. The titanium oxide (TiO2) 10 of the drum 2 is exposed from the inside of the photosensitive drum 2 through the glass substrate 12 and the transparent electrode (ITO) 11 from the inside of the photosensitive drum 2 as an image pattern as an optical image while scanning the N2 laser beam by the polygon mirror. Ultraviolet light having a wavelength shorter than 400 nm corresponding to the band gap of titanium oxide (TiO2) 10 which is an n-type semiconductor emits titanium oxide (T
When irradiated to iO2) 10, photoexcitation produces holes in the valence band. Since these holes have a strong oxidizing power, the pigment dispersion liquid 4 in the pigment cell 3 in contact with the titanium oxide (TiO2) 10 is oxidized and redoxed to FPEG which is a surfactant contained in the pigment dispersion liquid 4. Initiate the reaction . This redox
The reaction causes FPEG to lose its function as a surfactant ,
Since the organic pigment is separated from the surface of the organic pigment, hydrophobic organic pigment is deposited on the surface of titanium oxide (TiO2) 10 and the photosensitive drum 2
An image with a pigment is formed thereon.
【００２０】形成された顔料による画像は、感光ドラム
２の回転にともなって乾燥用空気吹き出し口５からの乾
燥空気により余分な水分を飛ばされた後、加圧ローラー
６により被記録媒体である紙７に転写されプリンター出
力として排出される。その後、転写の後感光ドラム２上
に残った顔料は感光ドラム２の回転にともなってクリー
ニングブレード８により取り除かれる。以上のプロセス
を繰り返すことにより光プリンターとして機能する。An image formed by the formed pigment is dried after excess moisture is blown off by dry air from a drying air blow-out port 5 with rotation of the photosensitive drum 2, and then is pressed by a pressure roller 6 on paper as a recording medium. And transferred as a printer output. Thereafter, the pigment remaining on the photosensitive drum 2 after the transfer is removed by the cleaning blade 8 as the photosensitive drum 2 rotates. By repeating the above process, it functions as an optical printer.
【００２１】尚、上述した実施例では、ドラム状の感光
体を用いたが、シート状のものを用いても差し支えな
い。In the above-described embodiment, a drum-shaped photosensitive member is used, but a sheet-shaped photosensitive member may be used.
【００２２】[0022]
【発明の効果】以上説明したことから明かなように、本
発明の請求項１に記載の画像形成装置によれば、帯電、
露光による静電潜像形成、トナーによる現像、転写、定
着、残留トナーの清掃、静電潜像の消去からなる複雑な
電子写真プロセスを用いないため、装置を簡便且つ小型
に構成できるとともに、オゾンが発生せず、オフィス環
境に悪影響を及ぼすことはない。As is apparent from the above description, according to the image forming apparatus of the present invention, charging,
Since a complicated electrophotographic process including the formation of an electrostatic latent image by exposure, development with a toner, transfer, fixing, cleaning of a residual toner, and erasure of an electrostatic latent image is not used, the apparatus can be configured simply and compactly, and ozone Does not occur and does not adversely affect the office environment.
【００２３】また、請求項２に記載の画像形成装置によ
れば、従来の油系溶媒に比べ、分散液の難燃性を確保で
きるとともに、分散液から発生する悪臭を防止すること
ができる。Further, according to the image forming apparatus of the present invention, the flame retardancy of the dispersion can be ensured and the odor generated from the dispersion can be prevented as compared with the conventional oil-based solvent.
【００２４】また、請求項３に記載の画像形成装置によ
れば、分散液の難燃性を更に確保できるとともに、分散
液から発生する悪臭を更に防止することができる。Further, according to the image forming apparatus of the present invention, the flame retardancy of the dispersion can be further secured, and the odor generated from the dispersion can be further prevented.
【００２５】また、請求項４に記載の画像形成装置によ
れば、帯電、露光による静電潜像形成、トナーによる現
像、転写、定着、残留トナーの清掃、静電潜像の消去か
らなる複雑な電子写真プロセスを用いないため、装置を
簡便且つ小型に構成できるとともに、オゾンが発生せ
ず、オフィス環境に悪影響を及ぼすことはない。According to the image forming apparatus of the fourth aspect, the electrostatic latent image is formed by charging, exposing, developing with toner, transferring, fixing, cleaning the residual toner, and erasing the electrostatic latent image. Since a simple electrophotographic process is not used, the apparatus can be configured simply and compactly, and no ozone is generated, which does not adversely affect the office environment.
【００２６】また、請求項５に記載の画像形成装置によ
れば、光照射手段の設置領域を確保する必要がなく、画
像形成装置自体を更にコンパクトに設計できる。According to the image forming apparatus of the fifth aspect, it is not necessary to secure an installation area for the light irradiation means, and the image forming apparatus itself can be designed to be more compact.
【図１】図１は本発明の画像形成方法を用いた光プリン
ターの構成を示す図である。FIG. 1 is a diagram showing a configuration of an optical printer using an image forming method of the present invention.
【図２】図２は感光ドラムの断面図である。FIG. 2 is a sectional view of a photosensitive drum.
１ 紫外線光源 ２ 感光ドラム ３ 顔料セル ４ 顔料分散液 ５ 乾燥用空気吹き出し口 ６ 加圧ローラー ７ 紙 ８ クリーニングブレード １０ 酸化チタン(TiO2) １１ 透明電極(ITO) １２ ガラス基板 DESCRIPTION OF SYMBOLS 1 Ultraviolet light source 2 Photosensitive drum 3 Pigment cell 4 Pigment dispersion liquid 5 Drying air outlet 6 Pressure roller 7 Paper 8 Cleaning blade 10 Titanium oxide (TiO2) 11 Transparent electrode (ITO) 12 Glass substrate
Claims (5)
分散させた分散液に接触して回転すると共に、外周部に
光半導体特性を有する感光層が形成された感光体と、そ
の感光体の感光層に光を照射することにより感光層に正
孔を生じさせる光照射手段とを備えた画像形成装置であ
って、 前記光照射手段から光が照射されたときに、前記感光体
の感光層に生じた正孔の酸化力を利用して前記分散液を
酸化させ、界面活性剤の機能を失わせることにより、分
散液中の着色粒子を感光層に付着させた後、前記感光体
上の所定の位置で着色粒子を記録媒体上に転写させ、そ
の記録媒体上に所定の画像を形成することを特徴とする
画像形成装置。1. A photoreceptor having a photosensitive layer having a photoconductive layer formed on the outer periphery while rotating while being in contact with a dispersion in which colored particles are dispersed in a dispersion medium by a surfactant , and the photoreceptor A light irradiating means for irradiating light to the photosensitive layer to generate holes in the photosensitive layer, wherein when the light irradiating means irradiates light, after oxidizing the dispersion by utilizing the oxidizing power of the holes generated in the layer, by Rukoto to lose the function of the surfactant is deposited colored particles in the dispersion in the photosensitive layer, said photosensitive member An image forming apparatus, wherein a colored particle is transferred onto a recording medium at a predetermined position above and a predetermined image is formed on the recording medium.
とする請求項１に記載の画像形成装置。2. The image forming apparatus according to claim 1, wherein the dispersion medium is an aqueous solvent.
る請求項２に記載の画像形成装置。3. The image forming apparatus according to claim 2, wherein the aqueous solvent is water.
すると略同時に前記感光体上に形成されることを特徴と
する請求項１乃至請求項３のいずれかに記載の画像形成
装置。4. The image forming apparatus according to claim 1, wherein the image is formed on the photoconductor substantially simultaneously with the irradiation of the light by the light irradiation unit.
設けられていることを特徴とする請求項１乃至請求項４
のいずれかに記載の画像形成装置。5. The light irradiating means is provided inside the photosensitive member.
The image forming apparatus according to any one of the above.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27431392A JP3292385B2 (en) | 1992-10-13 | 1992-10-13 | Image forming device |
| US08/133,320 US5420674A (en) | 1992-10-13 | 1993-10-08 | Ozone free image recording apparatus using liquid pigment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27431392A JP3292385B2 (en) | 1992-10-13 | 1992-10-13 | Image forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06124028A JPH06124028A (en) | 1994-05-06 |
| JP3292385B2 true JP3292385B2 (en) | 2002-06-17 |
Family
ID=17539911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27431392A Expired - Fee Related JP3292385B2 (en) | 1992-10-13 | 1992-10-13 | Image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3292385B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7815028B2 (en) | 2002-05-24 | 2010-10-19 | Jtekt Corporation | Clutch plate, friction clutch, and coupling device |
-
1992
- 1992-10-13 JP JP27431392A patent/JP3292385B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7815028B2 (en) | 2002-05-24 | 2010-10-19 | Jtekt Corporation | Clutch plate, friction clutch, and coupling device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06124028A (en) | 1994-05-06 |
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