Matches 1 - 50 out of 140 1 2 3 >
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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 ...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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...
Matches 1 - 50 out of 140 1 2 3 >