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7639968 |
Process unit and image forming apparatus
A process unit is described. The process unit may include a unit main body being detachably mountable to an image forming apparatus main body and including a first grasp portion, and a developer...
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7630654 |
Printing apparatus
A plurality of chambers are adapted to accommodate a plurality of cartridges each containing toner to be used for printing. A mode changer is operable to change an operation mode of the printing...
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7627267 |
Image formation apparatus, image formation unit, methods of assembling and disassembling image formation apparatus, and temporarily tacking member used for image formation apparatus
An image formation apparatus includes; a drum; a first housing provided around the drum; a second housing provided around the first housing; a temporarily tacking section that temporarily tacks two...
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7620346 |
Electrophotographic image forming device enabling to easily mount belt unit at regular position
A belt unit is provided with pressure-receiving parts, and a photosensitive unit is provided with pressing parts that applies pressing force to the pressure-receiving parts when the photosensitive...
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7613415 |
Process cartridge with component geometry suitable for recycle of same
A process cartridge is disclosed which is detachably mounted on an apparatus for forming an image using toner, and which has a process cartridge housing. The process cartridge housing includes: a...
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7609994 |
Image developing apparatus and image forming apparatus using the apparatus
An image developing apparatus includes an upper case; a lower case disposed on a lower side of the upper case, and internally housing a developing agent, and having an opening. A photoconductive...
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7603057 |
Photosensitive unit and developer cartridge
A photosensitive unit is described. A photosensitive unit may include a developer cartridge including a developing agent carrier and a casing for supporting the developer carrier; a photosensitive...
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7587156 |
Replaceable process cartridge and image forming apparatus using the same
A process cartridge for use in an image forming apparatus includes a first unit, a second unit, and a coupling shaft. The first unit includes an image carrier, while the second unit includes a...
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7587155 |
Process cartridge and image forming apparatus
A process cartridge is described. The process cartridge may include a developing unit and a toner unit detachably mountable to the developing unit. The developing unit includes a developer casing...
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7570891 |
Developing cartridge, image carrier cartridge, process cartridge, and image forming apparatus
Several different apparatuses are provided that can be configured to detect whether a developing cartridge, an image carrier cartridge, and a process cartridge are installed in an image forming...
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7565092 |
Photosensitive member cartridge, developer cartridge and process cartridge with at least one engaging portion
A developer cartridge that is attachable to and detachable from a photosensitive body cartridge that includes a photosensitive member is provided. The developer cartridge includes a frame that...
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7565094 |
Process cartridge, photosensitive member cartridge, developer cartridge and developer cartridge for use in image forming apparatus
A photosensitive member cartridge, including a photosensitive member, is provided with a lock device and a protection wall for the lock device. A developer cartridge includes a developer containing...
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7561827 |
Developing cartridge having a handle that contacts an exposure unit when installed in an image forming apparatus
An image forming apparatus includes a housing, an image carrier unit configured to move along a first direction between a first position and a second position in the housing and to hold image...
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7542702 |
Image forming apparatus having a simple cassette of image bearing photoconductors
An image forming apparatus includes a plurality of image carrying members and an image carrier. Each of the plurality of image carrying members is configured to form and carry a toner image. The...
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7539439 |
Image carrier toner unit and image forming apparatus
A disclosed image carrier toner unit includes: an image carrier; a supporting member configured to be integrated with the image carrier, the supporting member supporting the image carrier; and a...
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7532839 |
Process cartridge with a frame that supports an image holding member and an image forming apparatus
A process cartridge includes an image holding member that is capable of holding a developing agent image thereon, a shaft that supports the image holding member, a bearing portion that receives the...
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7526228 |
Developer cartridge, image carrier unit, and image forming apparatus
The present invention provides a developer cartridge detachably attachable to a casing of an image carrier unit, includes a developing roller and a first rotation body that rotates the developing...
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7519311 |
Developing apparatus, process cartridge, image forming apparatus, and assemblying method for developing apparatus
A developing apparatus usable with an electrophotographic image forming apparatus for forming an image on a recording material, includes a developer carrying member for developing a latent image...
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7515848 |
Image forming apparatus in which an image forming unit is mounted and dismounted by rotating an intermediary transfer member
An image forming apparatus has an image forming unit including an image bearing member, an intermediary transfer member onto which an image formed on the image bearing member is transferred, the...
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7512361 |
Process cartridge whose developing roller and drum contact and separate from each other and image forming apparatus using such cartridge
A process cartridge transportable when mounted in a main assembly of an electrophotographic image forming apparatus. The cartridge includes an electrophotographic photosensitive drum, a developing...
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7512363 |
Providing electrical potential to a rotatable developer carrier in an image forming apparatus
Developing cartridges for use in image forming apparatuses having an image carrier, include: (a) a case; (b) a developer carrier supported by the case (for holding developer thereon); and (c) a...
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7509071 |
Image forming apparatus detachably mounting a process cartridge having developing roller movable to contact and be spaced from a photosensitive drum
A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The cartridge includes an electrophotographic photosensitive drum, a developing...
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7509062 |
Method and apparatus for image forming capable of effectively recycling image forming unit
An image forming apparatus which allows an independent and easy replacement of replaceable image forming devices including an image forming unit detachably provided in the image forming apparatus....
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7505709 |
Image forming apparatus, process unit, and developing cartridge
When the drum axis of a photosensitive drum cartridge is engaged with an image forming apparatus, the developing roller axis of a developing cartridge is engaged with an engagement provided in the...
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7505716 |
Process cartridge having lockable parts, for an image forming apparatus
A process cartridge of an image forming apparatus including a development cartridge including, a development cartridge housing with a toner inlet port therein, and a toner inlet port cover movably...
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7493061 |
Process cartridge including at least one replaceable member and image forming apparatus
A process cartridge is provided with a frame body made up of at least first and second frame bodies that are movable relative to each other to form a space, a frame body positioning member...
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7474866 |
Sealing member, toner supply container, and toner supply system
A coupling member of a toner supply container in a toner supply system detachably mountable to an image forming apparatus, includes a rotatable engagement portion provided with a hook portion which...
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7469981 |
Compact front-operable image forming apparatus
An image forming apparatus is disclosed that includes a substantially flat top face and a slanted front face, the bottom side of which recedes backward. The image forming apparatus may includes a...
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7463844 |
Process cartridge that spaces a developing roller and photosensitive drum from each other and image forming apparatus usable therewith
A cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus. The apparatus includes movable first and second engageable members. The cartridge includes an...
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7460813 |
Image forming apparatus
A mounting relief portion for mounting a duplex unit on an image forming apparatus main body is provided in an exterior cover pivotally movably provided on the image forming apparatus main body,...
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7457563 |
Photosensitive member cartridge
The invention provides a photosensitive member cartridge, that has, for example, a case including a bottom wall, an upper wall, and side walls. A photosensitive drum and a transfer roller are...
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7426354 |
Image forming device and process cartridge
An image forming device including: plural process cartridges which are provided in a device main body so as to be installable and removable in a lateral direction, and which are disposed in a...
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7418220 |
Image recording apparatus
An image recording apparatus includes a sheet transport path, a first unit, and a second unit. The sheet transport path guides a sheet from a sheet feeding section, through an image recording...
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7400845 |
Process cartridge supported by image forming apparatus main body and image forming apparatus using the same
A process cartridge provided attachably and detachably to and from an image forming apparatus main body, and including an image carrier, a developing unit for visualizing an electrostatic latent...
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7391991 |
Process cartridge and image forming apparatus
A process cartridge of the present invention includes a photoconductive member with a rotatable axis, a cleaning member to contact on the photoconductive member, and plates to support both ends of...
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7386254 |
Position adjusting mechanism, process cartridge provided therewith, and image forming apparatus provided therewith
A position adjusting mechanism, straddling a holding section for rotatably holding rollers and an opposed holding section for holding an opposed member disposed opposite to the rollers, wherein...
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7386248 |
Image developing apparatus having a toner scatter preventing unit and image forming apparatus
An image developing apparatus includes an upper case, and a lower case having an opening and containing a developing agent on a lower side of the upper case. A photoconductive drum in the upper...
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7382999 |
Image forming apparatus with detachable units
An image forming apparatus can easily attach or detach a plurality of attachable and detachable units to or from the apparatus main body as a single unit or individually. An intermediate transfer...
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7383000 |
Process cartridge and image forming apparatus
When the user inserts an insertion end portion of an image forming unit covered with a protective cover into an attachment opening on an apparatus main unit along with a buffer sheet and a blackout...
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7373096 |
Toner hopper interconnection
A toner cartridge includes a waste bin and hopper designed for the elimination of non-essential parts between the waste bin and the hopper via an enhanced interconnection between the waste bin and...
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7369791 |
Image forming device and detachably loaded process unit
A developing unit is detachably mounted on a photosensitive unit to form a combined unit called a process unit. In use, the process unit is loaded into an electrophotographic image forming device....
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7366441 |
Method and apparatus for image forming having a predetermined gap formed between an image bearing member and a developing member
A process cartridge includes an image bearing unit, a developing unit, and first and second positioning members. The image bearing unit includes a photoconductor, and a photoconductor case...
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7362988 |
Universal toner cartridge mounts for attaching a waste bin to a hopper
A toner cartridge wherein the waste bin and the hopper are attached to one another in a non-pivotal interconnection. The parts are attached via a hopper wheel horizontal retainer and a hopper wheel...
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7340198 |
Process cartridge and image forming apparatus for reducing the effect of external forces
A process cartridge is detachably provided in an image forming apparatus having a main gear. The process cartridge includes a photoconductive unit and a rotatable unit, and a positioning member....
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7313345 |
Image forming unit
An image forming unit includes: an image carrier on which a latent image is formed; an intermediate transfer belt to which a toner image obtained by developing the latent image on the image carrier...
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7305204 |
Two part cartridges with force biasing by printer
A two part cartridge having a photoconductor part ( 1 ) and a toner part ( 5 ) having no force biasing element on either part. The two parts fit together so that a developer roller ( 7 ) in the...
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7302205 |
Process cartridge and image forming apparatus
A process cartridge configured to be detachably mounted in an image forming apparatus. A second body member is mounted on a first body member so that at least one of the first and second body...
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7280784 |
Image forming apparatus with conveyance guide member
There are provided an image bearing member on which an electrostatic image is formed, a development unit that is detachably attachable relative to a main body of the apparatus and that develops the...
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7277661 |
Image photographing apparatus having a developing unit comprising plural units
An image forming apparatus having a developing unit including a plurality of units. An image forming apparatus includes: a main body having a mounting portion; and a developing unit detachably...
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7269377 |
Process cartridge
A process cartridge detachably mountable to an image forming apparatus for forming an image on a recording material includes a first unit including at least an image-bearing member, a second unit...
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