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| Number | Title | Issue Date |
| 8190050 | Image forming apparatus having a mounting/demounting structure 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 connecting part, an image carrying unit removably mounted in the main ... | 05/29/2012 |
| 8175487 | Electrophotographic color image forming apparatus carrying process cartridges on a movable member A color electrophotographic image forming apparatus is usable with process cartridges that each include an electrophotographic photosensitive drum. The image forming apparatus includes a movable member that is movable between an inside of the main assembly of the ap... | 05/08/2012 |
| 8175486 | Image forming apparatus having body-side contacts and unit-side contacts An image forming apparatus may include an apparatus body, and a photosensitive-member unit slidably attached to the apparatus body and retaining a plurality of photosensitive members. The apparatus body includes side wall portions opposing each other with a unit rec... | 05/08/2012 |
| 8155553 | Developing apparatus, process cartridge, and electrophotographic image forming apparatus A developing apparatus includes a developing roller for developing an electrostatic latent image formed on a photosensitive member. A drive transmission member is provided at one end of the developing roller for receiving a driving force and transmitting the driving... | 04/10/2012 |
| 8155552 | Image forming apparatus for stabilizing the relative position of a body casing and a photosensitive drum An image forming apparatus includes an image forming apparatus body including a driving force transmitting portion and a process cartridge. The process cartridge includes a housing, a photosensitive drum disposed in the housing, a first bearing rotatably supporting ... | 04/10/2012 |
| 8155554 | Process cartridge and electrophotographic image forming apparatus A cartridge is detachably mountable to an electrophotographic image forming apparatus having a main assembly electrical contact. The cartridge includes: an electrophotographic photosensitive member; a memory; a cartridge electrical contact electrically connectable t... | 04/10/2012 |
| 8139972 | Process cartridge and electrophotographic image forming apparatus A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus includes an electrophotographic photosensitive drum, a developing roller, a developer accommodator including two frames two end portion members, supporting ... | 03/20/2012 |
| 8135300 | Process cartridge, image forming apparatus and developing cartridge A process cartridge, which includes a developing cartridge and a photosensitive cartridge for use with an image forming apparatus including a driving force output part and a feeding part, is provided. The developing cartridge includes a developer carrier, a first el... | 03/13/2012 |
| 8126353 | Developing device, memory unit thereof, and image forming apparatus A developing device to prevent damage of a memory unit and poor connection between terminals of the memory unit and a main body of an image forming apparatus, by improving a mounting position of the memory unit. The developing device is removably mounted to a main b... | 02/28/2012 |
| 8126352 | Image forming apparatus and developer cartridge An image forming apparatus includes an image carrier; a developing device configured to hold a developer carrier to supply developer to the image carrier, the developing device movable to a contacting position where the developer carrier contacts the image carrier a... | 02/28/2012 |
| 8121512 | Method of orienting a printer chip Provided is a method of orienting a printer chip to enable interoperation between the printer chip and more than one type of printer. The printer chip has a plurality of sets of contacts, each set of contacts capable of interoperation with a different type of printe... | 02/21/2012 |
| 8116652 | Image forming apparatus The present invention provides a configuration in which an electrically connected condition can further be stabilized in electrical-connection zones between a body of an image-forming apparatus, and an image-forming unit and a plurality of image-forming cartridges. ... | 02/14/2012 |
| 8086129 | Image forming apparatus and cartridge therefor An image forming apparatus has a movable member including a first shaft, a second shaft, a main assembly electrical contact, and a second contact portion for being contacted by the first contact portion when a cartridge is mounted to the apparatus. There is also a f... | 12/27/2011 |
| 8073355 | Memory, toner cartridge, developing device and image forming apparatus having the same A toner cartridge, a developing device, and an image forming apparatus, in which a memory is provided in the cartridge to be accessible by an image forming apparatus are disclosed. The image forming apparatus includes a developing device detachably attached to the b... | 12/06/2011 |
| 8050589 | Tandem-type process unit removably loaded in image forming device A tandem type of process unit removably loaded in an image forming device has a plurality of process cartridges, a pair of lower supporting plates, and a pair of upper supporting plates. Each of the plurality of process cartridges has a photosensitive drum rotatably... | 11/01/2011 |
| 8041248 | Image forming apparatus, image forming cartridge supporter, and image forming unit An image forming apparatus has a body frame and a slide frame. The slide frame is configured to be pulled out from the body frame along a sliding direction. A plurality of image forming cartridges is detachably mounted on the slide frame. A plurality of electrode me... | 10/18/2011 |
| 8036563 | Image forming apparatus An image forming apparatus includes a toner storage part which stores a conductive and magnetic toner, a developing part which is accommodated in the toner storage part and generates magnetism, a hollow imaging drum which comprises a drum shaft parallel with the dev... | 10/11/2011 |
| 8023854 | Image forming apparatus having power supplying path An image forming apparatus comprises: a housing that is fixedly placed in the image forming apparatus and integrally accommodates an imaging portion that includes at least an image holding member; a transferring unit that is disposed against the image holding member... | 09/20/2011 |
| 8014694 | Image forming apparatus and developing cartridge A developing cartridge includes a case having a first sidewall and a second sidewall opposite to the first sidewall, and a developing roller disposed between the first sidewall and second sidewall. The developing roller can include a developing roller shaft and a de... | 09/06/2011 |
| 8005392 | Image forming device with pressing members, process cartridge, and developer cartridge A developer cartridge according to one aspect of the invention is attachable to a photoconductor unit that comprises a photoconductive drum. The developer cartridge comprises: a developing frame; a developing roller rotatably supported by the developing frame, and p... | 08/23/2011 |
| 8000625 | Image forming apparatus An image forming apparatus includes a body frame defining an opening configured to receive a cartridge installed in an installation direction, and a power supply terminal disposed on the body frame. The power supply terminal can be configured to supply power to an i... | 08/16/2011 |
| 7986898 | Image forming apparatus with contacts for memory chips An image forming apparatus is provided. The image forming apparatus includes: plural photosensitive members aligned in a first direction; plural developing units for the photosensitive members, respectively, each of the developing units including a developer supplie... | 07/26/2011 |
| 7986897 | Image forming apparatus, developer cartridge and photosensitive unit An image forming apparatus is described. The image forming apparatus may include a developer cartridge and a photosensitive unit. The developer cartridge may include a first casing accommodating a developing agent, a developing agent carrier supported by the first c... | 07/26/2011 |
| 7978997 | Developer cartridges, process cartridges, and image formation devices When a developer cartridge is not attached to an image formation apparatus body frame, a developer electrode included with the cartridge is disposed at a retract position at which the developer electrode does not protrude outside the cartridge. This protects the dev... | 07/12/2011 |
| 7953339 | Image forming device and cartridge being electrically connected by terminals An image forming device according to an aspect includes: a main body; and a first cartridge configured to accommodate a developer and detachably attached to the main body. The first cartridge includes: a rotation body rotatably provided in the first cartridge; a mem... | 05/31/2011 |
| 7953340 | Process cartridge having electrical contact and image forming apparatus having electrical contact in urging member A process cartridge detachably is mountable to a main assembly of the apparatus of an image forming apparatus including an urging member and a positioning portion. The cartridge includes a photosensitive drum; a positionable portion positioning the cartridge by enga... | 05/31/2011 |
| 7945185 | Process cartridge and electrophotographic image forming apparatus A cartridge is detachably mountable to an electrophotographic image forming apparatus having a main assembly electrical contact. The cartridge includes: an electrophotographic photosensitive member; a memory; a cartridge electrical contact electrically connectable t... | 05/17/2011 |
| 7945184 | Process cartridge with member for electrical connection to image-forming device A cartridge is detachably mountable in an image-forming device, the image-forming device having a power supply supplying a bias. The cartridge includes: a bias-receiving member; a casing; and a terminal member. The bias-receiving member is configured to receive a bi... | 05/17/2011 |
| 7937013 | Fusing device and image forming apparatus including the same Disclosed herein is a fusing device having an improved heating structure. The fusing device is configured to apply heat and pressure to fix a developer to a print medium and includes a pressure device and a heating device. The heating device includes a heat radiatin... | 05/03/2011 |
| 7929879 | Image forming apparatus having first and second grounding routes An image forming apparatus includes a cassette attaching section, a media cassette, a loading plate and a first and second ground conducting route. The cassette attaching section includes a media supplying roller for supplying media. The media cassette is attachably... | 04/19/2011 |
| 7917050 | Wiring structure for an electrical device and an image forming apparatus equipped with such a wiring structure A wiring structure of an image forming apparatus includes a main body frame; a cylindrical motor disposed on the main body frame and having a cylindrical surface, an end surface, and a peripheral edge between the cylindrical surface and the end surface; a wire route... | 03/29/2011 |
| 7907866 | Color electrophotographic image forming carrying process cartridges on a movable member movable in a direction crossing a longitudinal direction of a photosensitive drum of the cartridges A color electrophotographic image forming apparatus usable with process cartridges detachably mountable to a main assembly of the apparatus, the cartridges each including an electrophotographic photosensitive drum and means actable on the drum, includes a movable me... | 03/15/2011 |
| 7907865 | Image forming device capable of preventing wear to electrodes An image forming device includes an image-bearing unit and a unit accommodating section. The image-bearing unit includes a plurality of image forming unit each having an image bearing member on which an electrostatic latent image is formed. The image-bearing unit is... | 03/15/2011 |
| 7890012 | Process cartridge having a drum, a developing roller, and first and second frames, and electrophotographic image forming apparatus on which such process cartridge is mountable A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus including a movable member movable from an outside of the main assembly of the apparatus to an inside thereof while carrying the process cartridge. The c... | 02/15/2011 |
| 7890013 | Image forming apparatus An image forming apparatus may include an apparatus body, and a photosensitive-member unit slidably attached to the apparatus body and retaining a plurality of photosensitive members. The apparatus body includes side wall portions opposing each other with a unit rec... | 02/15/2011 |
| 7873296 | Photosensitive member cartridge, developer cartridge and process cartridge A developer cartridge including a frame, a developer carrying member, and an input gear member is provided. The frame includes a first side wall and a second side wall, and the first side wall and the second side wall extend in a length direction. The developer carr... | 01/18/2011 |
| 7865107 | Discorotron assembly with titanium shield with integrated grid mounting and electrical connection This is a titanium shield that fits into a discorotron and helps to eliminate destructive effluents. The shield conforms to the shape of the discorotron housing and has side portions that extend beyond the side portions of the discorotron housing. On this extended p... | 01/04/2011 |
| 7860427 | Toner cartridge and image forming apparatus using the same A toner cartridge includes: a toner container for containing a toner, the toner container being removably mounted in an image forming apparatus; and a storage section for electronically storing specific information held by the toner container, the storage section be... | 12/28/2010 |
| 7856192 | Process cartridge and electrophotographic image forming apparatus A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus including a movable member movable from an outside of the main assembly of the apparatus to an inside thereof while carrying the cartridge. The cartridge... | 12/21/2010 |
| 7853169 | Roller member urging mechanism and image forming apparatus A roller member urging mechanism includes: a roller member having a roller shaft and coming in contact with a predetermined member; a casing for holding the roller member, the casing being electrically insulative; a bearing for receiving the roller shaft, the bearin... | 12/14/2010 |
