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US20090290920 |
IMAGE FORMING APPARATUS AND PROTECTIVE AGENT BLOCK
An image forming apparatus including an image bearing member that bears a latent electrostatic image on the surface thereof, a charging device that uniformly charges the surface of the image...
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US20090290908 |
COUPLING PART, PHOTOSENSITIVE DRUM, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, wherein the main assembly includes a motor, a main assembly side gear for receiving...
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US20090290907 |
ELECTROPHOTOGRAPHIC DEVELOPING MEMBER, PROCESS FOR ITS PRODUCTION, ELECTROPHOTOGRAPHIC PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
To provide an electrophotographic developing member which can both be kept from the sticking of a developer and be kept from being deformed by its contacting members, and can form stable images...
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US20090290906 |
Cartridges for Reprographics Devices
A removable cartridge for a reprographics device, such as a printer, is described. The removable cartridge comprises a signature scanning unit for use in generating a signature based upon an...
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US20090290905 |
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
An image forming apparatus forms an image on a recording material, detachably mounts a process cartridge including a photosensitive drum, and includes first and second positioning portions...
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US20090290904 |
CARTRIDGE AND IMAGE FORMING APPARATUS
A cartridge detachably mountable to a main assembly of the image forming apparatus, wherein the main assembly including an opening, an urging portion, a positioning portion and a regulating...
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US20090290903 |
PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, wherein the apparatus includes a supporting member, a movable member for moving the...
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US20090286175 |
ORGANIC PHOTORECEPTOR, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND COLOR IMAGE FORMING APPARATUS
An organic photoreceptor comprising a photosensitive layer on a conductive substrate and a protective layer on the photosensitive layer, wherein the protective layer is a surface layer prepared via...
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US20090285599 |
IMAGE FORMING APPARATUS
An image forming apparatus including: an image carrier; a toner image forming section; a transfer section for transferring the toner image onto transfer sheet; a separation section for separating...
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US20090285593 |
Image Forming Apparatus
An image forming apparatus includes: an image forming unit including a plurality of photoconductor drums arranged in tandem; a conveyor belt arranged opposite to the photoconductor drums and...
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US20090279917 |
Resilient driving force member
A resilient driving force member 10 having at least one helical spring 16, each helical spring 16 having an support member 14 connected to one end thereof and an engaging portion 20 ...
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US20090269103 |
Photoreceptor, process cartridge and image forming apparatus
A photoreceptor including an electroconductive substrate, an undercoating layer provided overlying the electroconductive substrate that includes a compound comprising an epoxy group and a straight...
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US20090269085 |
Image Forming Apparatus
An image forming apparatus is provided. In the image forming apparatus, a contact portion that contacts a detection gear of a development cartridge and to which information about the development...
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US20090263156 |
PROCESS CARTRIDGE DETACHABLY MOUNTABLE TO AN IMAGE FORMING APPARATUS
A process cartridge comprising a photosensitive drum and at least one process member extending between two positioning members. In particular, the process cartridge is detachably mountable to an...
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US20090252529 |
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
A process cartridge is detachably mountable to an image forming apparatus. The process cartridge includes an image bearing member, a developing member for developing an electrostatic latent image...
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US20090252528 |
Image Forming Apparatus
An image forming apparatus includes: a first body formed with an opening; a second body which is rotatable about an axis between an open posture and a closed posture; a swingable member which...
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US20090252527 |
Image Forming Apparatus
An image forming apparatus includes: an apparatus body; a first rotating body having a first end supported on the apparatus body rotatably about an axis so that the first rotating body is rotatable...
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US20090252510 |
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Provided is an image forming apparatus containing: an image-bearing member; a toner removal unit configured to remove a toner remained on the image-bearing member; a coating unit configured to coat...
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US20090245858 |
ELECTROSTATIC CHARGE DEVELOPER, ELECTROSTATIC CHARGE IMAGE DEVELOPER CARTRIDGE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
An electrostatic charge developer includes a carrier having a core material and a resin coating layer covering the surface of the core material, and a toner having a binder resin that contains a...
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US20090238603 |
PROCESS CARTRIDGE, SUPPORTING MEMBER, PROCESS CARTRIDGE ASSEMBLING METHOD, AND PROCESS CARTRIDGE DISASSEMBLING METHOD
A process cartridge detachably mountable to an image forming apparatus, the process cartridge includes an electrophotographic photosensitive member; a developer carrying member for carrying a...
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US20090238602 |
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
An electrophotographic photoreceptor including a conductive substrate and a photosensitive layer provided on a surface of the conductive substrate, an outermost layer of the photosensitive layer...
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US20090238601 |
CHARGING MEMBER, PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS
A charging member is provided in which a toner, an additive for use in the toner, or the like is hard to adhere to the surface even under repeated use for a long time, and hence the charging and...
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US20090233217 |
TONER, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE
A toner is provided that includes a binder resin which is selected from (a) a polyester resin, (b) a hybrid resin comprising a polyester unit and a vinyl copolymer unit, and (c) a mixture of a...
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US20090232542 |
TONER, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS USING THE SAME
A toner containing a binder resin including a unit of a polyester resin I having an amino group and another unit of a polyester resin II having an anion functional group and a coloring agent,...
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US20090232541 |
IMAGE FORMING APPARATUS, PROTECTANT APPLICATOR AND PROCESS CARTRIDGE
An image forming apparatus, including an image bearer; and a protectant applicator applying a protectant including zinc stearate and zinc palmitate to the surface thereof, wherein an average amount...
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US20090232532 |
DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Provided is a developing device containing a two-component developer including a magnetic carrier and a toner; a developer bearing member containing a nonmagnetic developing sleeve configured to...
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US20090226208 |
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
An electrophotographic photoreceptor comprising at least a photosensitive layer on an electroconductive substrate, a surface layer of the electrophotographic photoreceptor including a fluorinated...
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US20090220879 |
TONER FOR DEVELOPING LATENT ELECTROSTATIC IMAGE, IMAGE FORMING DEVICE AND PROCESS CARTRIDGE USING THE SAME
Provision of a toner for developing a latent electrostatic image, including a colorant, a binder resin, and a releasing agent, where molecular weight distribution of THF-soluble components of the...
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US20090220875 |
ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
The present invention provides an electrophotographic photoconductor having a support, at least an intermediate layer, and a photosensitive layer, the intermediate layer and photosensitive layer...
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US20090220272 |
IMAGE FORMATION DEVICE
An image formation device, which includes: an exposure head in which a screw having an axis directed to a focus direction for a photoreceptor is fixed in the vicinity of each side of the exposure...
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US20090214255 |
IMAGING CARTRIDGE AND IMAGE FORMING APPARATUS
The present invention provides an imaging cartridge in which a handle, which is used for mounting the imaging cartridge to either one of two image forming apparatuses in which the...
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US20090214254 |
PHOTOSENSITIVE BODY UNIT AND IMAGE FORMING APPARATUS HAVING THE SAME
An image forming apparatus having an improved photosensitive body unit capable of efficiently utilizing an inner space of the image forming apparatus. The image forming apparatus includes a...
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US20090214248 |
IMAGE FORMING APPARATUS
An image forming apparatus having a mounting/demounting structure between a main body and an image carrying unit. The image forming apparatus includes a main body provided with a first electrical...
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US20090208247 |
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
An electrophotographic photosensitive member is provided in which both a potential variation over a long time period and a potential variation within a short time period are suppressed. A method of...
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US20090208246 |
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
An image forming apparatus including an image bearing member which has an electroconductive substrate, a photosensitive layer overlying the electroconductive substrate and a cross-linked resin...
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US20090208245 |
Image Forming Apparatus and Process Cartridge
The invention provides an image forming apparatus including a casing, a process cartridge, and a toner box. The process cartridge includes: a first housing which supports an electrostatic latent...
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US20090196647 |
IMAGE FORMING APPARATUS AND CARTRIDGE THEREFOR
An image forming apparatus including a main assembly to which a cartridge having a storing element for storing information, a cartridge electrical contact electrically connected with the storing...
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US20090186291 |
NON-MAGNETIC TONER FOR ONE-COMPONENT DEVELOPMENT AND METHOD OF PREPARING THE TONER, AND IMAGE DEVELOPER, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE AND IMAGE FORMING METHOD
A non-magnetic toner including a binder resin including a first resin, a second resin, a third resin; a colorant; and a wax, wherein the first resin is a hybrid resin including an amorphous...
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US20090185821 |
Electrophotographic photoreceptor, and image formihg appratus and process cartridge using same
An electrophotographic photoreceptor including a conductive substrate; a charge generation layer comprising a metal phthalocyanine pigment as a charge generation material, located overlying the...
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US20090180804 |
Image forming apparatus and process cartridge
An image forming apparatus including at least an image bearing member having a substrate having a photosensitive layer thereon, the image bearing member to bear a latent electrostatic image on a...
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US20090180800 |
ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, METHOD OF MANUFACTURING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
An electrophotographic photosensitive member having excellent electrophotographic properties while being prevented from the generation of blade turn-up, a method of manufacturing the...
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US20090180798 |
Image Forming Apparatus
An image forming apparatus includes: process units arranged along a first direction and a second direction opposite to the first direction, each process unit including a photoconductor; exposure...
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US20090175650 |
ELECTROPHOTOGRAPHIC PHOTORECEPTOR, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
An electrophotographic photoreceptor comprising a layered-type photosensitive layer in which a charge generating layer containing a charge generating material and a charge transporting layer...
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US20090169246 |
DEVELOPING DEVICE, PROCESS UNIT, AND IMAGE FORMING APPARATUS
A developing device includes a main body that is arranged between a pair of supporting members and includes a developing roller. Both end portions of the developing roller are supported by the...
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US20090162763 |
Photoreceptor, image formation method, image forming apparatus and process cartridge
A photoreceptor including an electroconductive substrate and a photosensitive layer located overlying the electroconductive substrate, the photosensitive layer including a cross-linking surface...
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US20090162094 |
Thick Electrophotographic Imaging Member Undercoat Layers
Binders containing metal oxide nanoparticles and a co-resin of acrylic polyol resin and blocked polyisocyanate resin, and electrophotographic imaging member undercoat layer containing the binders.
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US20090148180 |
IMAGE BEARING MEMBER, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS AND METHOD OF FORMING IMAGE BEARING MEMBER
An image bearing member including an electroconductive substrate, a charge generating layer located overlying the electroconductive substrate, a charge transport layer located overlying the charge...
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US20090142686 |
IMAGE FORMING METHOD, TONER AND IMAGE FORMING APPARATUS
To provide an image forming method including conveying a toner by means of a toner supply device that supplies the toner from inside a toner housing container into a developer housing section of a...
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US20090142094 |
TONER, DEVELOPER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
A toner including a binder resin and a colorant which produces a torque of from 1.4 to 2.0 mNm, when a cone rotor having a vertical angle of 60° and grooves on a surface thereof intrudes into a...
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US20090142093 |
IMAGE FORMING TONER, AND DEVELOPER AND PROCESS CARTRIDGE USING THE TONER
An image forming toner, including a mother particle including a paraffin wax having a melting point of from 60 to 90° C. and a binder resin, wherein the mother particle has an endothermic peak of...
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