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JP2003057866A |
To provide an image forming method excellent in environmental stability and repeating stability, having excellent electrification performance and satisfying high image quality and high reliability simultaneously. This image forming metho...
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JP2003057881A |
To provide an image forming apparatus with a constitution preventing surface staining, toner scattering and soiling of a developing sleeve regardless of high speed action or use environment when small particle diameter toner is used. In ...
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JP3378437B2 |
To provide an image forming device forming an excellent image by removing dust raised from a recording medium. This image forming device is provided with a photoreceptor 1 whose surface layer is formed of a-Si, a developing means forming...
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JP3372617B2 |
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JP3372375B2 |
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JP2003029463A |
To provide an image forming method for forming an image at a high speed, also, capable of attaining both of low-temperature fixation and hot offset resistance, and also, controlling a gloss.As for the image forming method comprising a de...
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JP3370965B2 |
Imaging of lithographic printing plates with reduced fluence requirements is accomplished using printing members that have a solid substrate (20), gas-producing and radiation-absorptive layers (12, 14) over the substrate, and a topmost l...
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JP3366428B2 |
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JP3365812B2 |
PURPOSE:To obtain a color picture image of high precision and high picture quality by forming a specified transfer layer on the surface of a photosensitive body having peeling property, developing an image with a wet toner, and trans fer...
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JP3365014B2 |
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JP3363505B2 |
PURPOSE: To prevent the generation of fogging and tailing and thereby to enable a toner image with clear edge lines to be formed at the time of developing an electrostatic latent image by applying an oscillatory bias voltage to a develop...
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JP3365018B2 |
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JP2003005419A |
To provide an electrophotographic image receiving sheet which can be easily manufactured, and which has excellent glossiness.The sheet is provided with a base sheet and a toner image receiving layer which is arranged on at least one side...
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JP3365015B2 |
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JP2003005508A |
To provide a developing device and an image forming device by which a toner thin layer is steadily formed despite an environmental change and insufficient image density and fog are prevented.The device has a developer carrier 41 having a...
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JP2002362053A |
To provide a method for manufacturing a directly drawn type original plate for lithographic printing in which coating stability of a coating liquid is improved when an image receiving layer is applied for coating and an enough hard film ...
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JP3356065B2 |
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JP3353872B2 |
To determine the combination of toner and carrier in such a manner as to attain designated maximum charging quantity according to the contact potential difference by combining the toner and the carrier in such a manner as to substantiall...
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JP2002341602A |
To provide an electronic color proof system that enables an easy, quick color proofing operation and has a function required for the color proofing, and a and color proof method.The image forming apparatus includes an electrophotographic...
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JP3350256B2 |
PURPOSE: To form a high definition color image without color shippage by making up for reduction in the density of each color due to the decrease of transfer efficiency in a multitransfer or batch transfer process. CONSTITUTION: In a dev...
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JP3349828B2 |
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JP2002333768A |
To provide a developing method and an image forming apparatus which make it possible to realize stable gradation by stably forming small dots without giving the feeling of granulation at a low density part, to improve image quality and t...
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JP3347310B2 |
The present invention uses a toner containing a styrene-acrylic resin having a glass transition point between 50 and 65° C. and a 150° C. melt index between 1 and 10 (g/10 min.), a polyethylene wax in 1 to 3% by weight. of the total we...
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JP3347525B2 |
PURPOSE: To provide an image forming device having an extremely high transfer efficiency. CONSTITUTION: A toner image formed on a first image holding body is transferred to an intermediate transfer body, and further the image is transfer...
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JP3347646B2 |
A magnetic black toner for electrophotography, includes: (a) magnetic black toner particles containing a binder resin, a magnetic material in 30 - 200 wt. parts per 100 wt. parts of the binder resin, and a first solid wax, and (b) first ...
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JP3346428B2 |
A developing method using negative toner, constituted by a toner carrier 1 and toner so that triboelectric series of the toner carrier 1, a toner base particle 3 and a surface additives 2 have a relationship in which the toner carrier 1,...
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JP3344547B2 |
An electrophotographic transfer sheet which comprises a substrate having, on at least one side thereof, a transparent resin layer comprising a polyester resin as a main component, wherein the weight average molecular weight (Mwa) of the ...
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JP3340200B2 |
An apparatus for removing images on an image carrier sheet to allow the image carrier sheet to be repeatedly used. The apparatus includes an image removing member for removing images from an image carrier sheet, the images being fixed on...
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JP3338335B2 |
To eliminate replacement of a roll by adhering new hydrophilic toner of new print to the roll each time, thereby stably holding hydrophilic property. A first toner developing unit 17 adheres lipophilic toner charged to opposite symbol to...
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JP2002304057A |
To provide magnetic toner and a method and a device for development for magnetic toner, which obtain a magnetic signal required for magnetic ink character recognition(MICR) print.The developing device is provided with a supply source of ...
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JP2002304025A |
To provide a developing device and an image forming apparatus constituted so that the noise of a final image may be reduced by suppressing the dispersion of the dot size of a developed toner aggregate within the extent where the noise is...
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JP3333978B2 |
PURPOSE: To obtain a one-component magnetic developer having satisfactory electrostatic charge characteristics and excellent in durability. CONSTITUTION: This one-component magnetic developer contg. at least a resin, magnetic powder and ...
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JP2002296900A |
To accomplish satisfactory image quality with reference to a high resolution original image by setting a developing condition by taking the charge dispersion of a latent image due to the leak resistance of a ferroelectric carrier into co...
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JP2002296840A |
To provide an image forming device by which excellent fixing is attained without causing electrostatic offsetting even when a color image is formed of several kinds of developers having a different resistance value.The toner of each colo...
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JP2002278269A |
To prevent a low-resistance substance based upon ozone and nitrogen oxide from being deposited on the surface layer of a photosensitive body by bringing a developer into contact with the photosensitive body and to prevent an abnormal ima...
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JP2002278220A |
To provide an image forming method which is free of drum fusion, roller staining, and the production of white stripes.A contact electrifying means 21 is a roller which has a base 2a, a conductive layer 2b formed around the base 2a, and a...
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JP3326702B2 |
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JP3328013B2 |
PURPOSE: To provide an electrostatic charge image developer capable of forming a multicolor picture having excellent quality and color tone over a long period without lowering the picture density due to deficiency of a developing toner o...
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JP2002268288A |
To provide an image forming method and an image forming device in which many kinds of image developing substance, that is, developer produced much is utilized, whereby image quality such as a color tone is improved and the cost of the de...
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JP2002268372A |
To compensate for the faults of a developing device, using conventional techniques to obtain a stable print quality by improving the peripheral speed ratio of each developing roller to a photosensitive body and the shape factor of toner ...
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JP2002264555A |
To obtain an original plate for a direct drawing type lithographic printing plate capable of printing many printed matters of a clear image without scumming as an offset original plate and without lack/distortion or the like of an image....
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JP2002268381A |
To provide a developing method which improves quality related to directivity of development (meaning that the speed of a developing sleeve is higher than the moving speed of an electrostatic latent image) and an abnormal- image quality, ...
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JP2002268389A |
To provide an electrophotographic printer in which the average mass velocity of a developer is approximately equal to the velocity of an imaging member.In a method and a device for development of an electrophotographic image, an image de...
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JP2002258501A |
To provide a developer having excellent image characteristics, such as image density, resolution and gradation characteristic and an image forming method using this developer relating to the developer used for electrostatic recording dev...
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JP3323741B2 |
To provide the developing method of using a developer carrier being durable even if a developer is used over a long period, without generating melt-sticking and filming on a latent image holder. In this method, a one-component developer ...
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JP2002251033A |
To provide color toner made excellent in transparency and color reproducibility and good in fluidity, having sufficient fixing property and offset resistance, applied to a fixing device where oil is not used for a fixing member, further ...
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JP3320787B2 |
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JP3320756B2 |
Disclosed herein are an image-forming process which comprises steps of: uniformly charging a latent image carrier by a charging member disposed in contact with or in close vicinity to the latent image carrier, forming a latent image patt...
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JP2002236397A |
To provide a high-durability electrostatic latent image developing method capable of obtaining an image of high image quality.As for the electrostatic latent image developing method, 0.8≤(Vr/Vp)≤1.3 is established, and the weight ave...
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JP3315653B2 |
A charging apparatus for charging a member to be charged includes a charging member for contacting to the member to be charged to electrically charge it; charging performance enhancing particles existing at a contact portion between the ...
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