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| Number | Title | Issue Date |
| 8180253 | Image forming apparatus collecting and distributing untransferred developer An electrophotographic image forming apparatus has an electrostatic latent image bearing members, developing devices each including developer and capable of developing corresponding electrostatic latent images on the electrostatic latent image bearing members into v... | 05/15/2012 |
| 8175493 | Toner cartridge having magnetic coupling A toner cartridge having a magnetically coupled drive apparatus is provided. The cartridge provides a first toner holding member that houses toner and a second toner holding member adjacent to the first member that houses toner. A dividing wall separates the first t... | 05/08/2012 |
| 8165497 | Developer storing apparatus, image forming unit and image forming apparatus A developer storing apparatus which includes a developer storing portion for receiving and storing a developer. The developer storing apparatus also includes a developer carrying member including a rotary shaft and a spiral blade rotatably disposed in the developer ... | 04/24/2012 |
| 8165496 | Powder material cartridge, image forming section, image forming apparatus A powder material cartridge includes a waste toner chamber that prevents the waste toner from spilling. A receiving section is provided in the chamber and includes a first opening therein through which the powder material is received into the chamber. A first shutte... | 04/24/2012 |
| 8139980 | Image forming apparatus, control method, and program The invention provides a mechanism which allows a common device driver to obtain identification information of a USB device desired by an application that controls a USB device via a common device driver. Furthermore, the invention includes two types of common devic... | 03/20/2012 |
| 8131183 | Developer collection container, developer cartridge, developing unit and image forming apparatus A developer collection container includes a developer storing portion having first and second end portions in a longitudinal direction thereof. A developer supply opening is provided on the first end portion through which the developer is supplied into the developer... | 03/06/2012 |
| 8131182 | Imaging cartridge and image forming apparatus An imaging cartridge has a process unit and a toner box unit formed by integrating a new toner box and a waste toner box. The toner box unit is attachable to and detachable from the process unit. Shutters which open and close a connecting section between the new ton... | 03/06/2012 |
| 8116662 | Development device and image forming apparatus A development device includes a plurality of development units and a waste substance container or containers storing the waste substance removed by the cleaning member. Each of the plural development units includes an image carrier carrying a developer image formed ... | 02/14/2012 |
| 8103187 | Image forming apparatus with developing units and developer cartidges An image forming apparatus is provided. The image forming apparatus includes a housing; a partition wall which is provided in the housing along a substantially vertical direction, the partition wall partitioning an inner space of the housing into a first space and a... | 01/24/2012 |
| 8095038 | Compact imaging cartridge and image forming apparatus An imaging cartridge includes an image carrier, a developing device, a cleaning device, a waste toner box, a communication section and transporter means. A communication section formed by positioning a first joint section of the cleaning device and a second joint se... | 01/10/2012 |
| 8073361 | Preset case, development apparatus, process cartridge, and image forming apparatus A developing apparatus has: a developer container including a developer transportation unit that transports, while mixing, a developer containing a toner and a carrier along an axis of rotation by a rotatable mixing transportation member; and a cover member provided... | 12/06/2011 |
| 8019254 | Toner conveying device, process cartridge, and image forming apparatus A toner conveying device includes a toner hopper for containing unused toner, a waste-toner hopper for containing waste toner, and waste-toner conveying screws that convey waste toner in the waste-toner hopper. The waste-toner hopper is separated from the toner hopp... | 09/13/2011 |
| 7962064 | Toner container and image forming apparatus comprising the same A hollow cylindrical cap is rotatably attached to a container body opening provided in one end of a hollow cylindrical container body. A seal member around the container body opening forms a seal between the container body and the cap. Once the cap is attached to th... | 06/14/2011 |
| 7962063 | Waste toner recovery system and method A toner bottle for use in a marking device with a feed mechanism. The toner bottle includes first and second compartments for holding fresh and waste toner, respectively. The feed mechanism allows fresh toner to be delivered to the marking engine from the bottle and... | 06/14/2011 |
| 7953347 | Retaining devices and methods for retaining a developer unit of an image forming device The present application is directed to retainers and methods of retaining a developer unit within an image forming device. One embodiment may include positioning a retainer attached to a frame at a first position with a second end of the retainer positioned away fro... | 05/31/2011 |
| 7941073 | Toner cartridge The toner cartridge is provided with: a toner storing container of a rectangular shape having a toner feeding opening in an angular portion of the toner storing container; a stirring conveying member that is disposed so as to rotate in a predetermined rotation direc... | 05/10/2011 |
| 7925184 | Developer supply container mountable to a hollow portion of a rotatble photosensitive member and developer supplying system having such A developer supply container (1) detachably mountable to a hollow portion of a rotatable photosensitive member (100) provided in a electrophotographic image forming apparatus, the container including a rotatable container body having an inner space for... | 04/12/2011 |
| 7890022 | Cover member, developing cartridge and developing unit for image forming apparatus A developing unit includes a developer cartridge containing developer and a developing cartridge with a developing cartridge body comprising a mounting portion and a cover member. The mounting portion accepts the developer cartridge for replenishing developer consum... | 02/15/2011 |
| 7747194 | Toner supply device and image forming apparatus A toner supply device is equipped with a coupling that has a toner supply opening on the side wall, a partition wall provided in this coupling integrally with a specific space provided on the inner wall and a hole larger than a toner supply opening on the side wall.... | 06/29/2010 |
| 7711288 | Developer storing container, method of assembling developer storing container and method of recycling developer storing container A developer storing container includes: a first storing member including a first storing portion for storing a supplied developer; a second storing member including a second storing portion for storing a collected developer; and a partition member that connects the ... | 05/04/2010 |
| 7653327 | Developer recovering mechanism and image forming apparatus A developer recovering mechanism used in a developing apparatus having a developer cartridge which houses developer, a developing unit in which the developer cartridge is installed and which can make a latent image of an image carrier visible by the developer, and a... | 01/26/2010 |
| 7634213 | Toner collecting device, image forming unit and image forming apparatus In a toner collecting device of the present invention for conveying collected waste toner to a waste toner storing portion with a toner conveying device, the toner conveying device is positioned at a side opposite to a driveline included in an apparatus body to whic... | 12/15/2009 |
| 7596340 | Image forming apparatus having developer containing portion with slender end portion A developer cartridge for supplying a toner-containing developer, including a developer containing portion; a developer recovery portion, disposed at one end of the developer containing portion in a longitudinal direction; a supply port that supplies the developer f... | 09/29/2009 |
| 7577379 | Toner container, toner supply device and image forming apparatus A toner container for installation in a toner supply device is provided. The toner container includes a toner accommodation member and a cap member freely attachable to and detachable from the toner accommodation member. The toner accommodation member includes a bag... | 08/18/2009 |
| 7548710 | Dual sliding shutter system An image forming device includes a removable cartridge holding toner, supplying toner to a developer. The cartridge and developer each include a shutter to retain toner when the cartridge is removed. Upon insertion, the developer abuts the cartridge shutter, and the... | 06/16/2009 |
| 7505711 | Waste developer collecting device and image forming apparatus provided therewith A waste developer collecting device ejects and collects a waste developer used in a developing unit employing a two-component developing system in which a developer that contains toner and carrier is used. The waste developer collecting device includes: an opening a... | 03/17/2009 |
| 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 is hook-engageable with an engagement member provided in the image f... | 01/06/2009 |
| 7471916 | Developer storing container and connecting member In a developer-storing container of the present invention, an agitation blade used in a toner-storing section and an agitation blade used in a waste-toner-storing section are coupled by a rotor. The rotor is interdigitated to a bearing mounted on a partition wall. T... | 12/30/2008 |
| 7457564 | Container holding device, conveying device, image forming apparatus, and method of fixing container A container holding device includes a container guide member (60) that holds a toner container (50). The toner container (50) can be detachably attached to the container guide member (60). The toner container (50) includes a soft, ... | 11/25/2008 |
| 7437101 | Toner container and toner filling method A toner container which is mountable and removable at a main body of an image forming apparatus, the toner container comprising: at least one toner filling port provided in a casing body of the toner container; and a sealing member which covers the toner filling por... | 10/14/2008 |
| 7437095 | Image forming apparatus and toner cartridge A toner cartridge is detachably attached to an image forming apparatus and supplies toner to the image forming apparatus. The locking mechanism is positioned either at a locking position or at a non-locking position. Shortly after the toner cartridge has been attach... | 10/14/2008 |
| 7428399 | Toner supply device and image forming apparatus A toner supply device is equipped with a coupling that has a toner supply opening on the side wall, a partition wall provided in this coupling integrally with a specific space provided on the inner wall and a hole larger than a toner supply opening on the side wall.... | 09/23/2008 |
| 7426356 | Developer cartridge, print process cartridge, and image forming apparatus A developer cartridge holds developer that is supplied into a print process cartridge of an image forming apparatus. The developer cartridge includes a fresh developer chamber and a waste developer chamber. The fresh developer chamber holds fresh developer in it. Th... | 09/16/2008 |
| 7426360 | Developing apparatus A developing apparatus includes a developer carrying member for carrying thereon and conveying a developer to a portion opposed to an image bearing member; a first chamber having the developer carrying member disposed in an opening thereof; a conveying member dispos... | 09/16/2008 |
| 7424263 | Toner recovery belt conveyor, process cartridge, and image forming apparatus using the same A toner recovery device, capable of preventing toner from spilling out of the space between protruding sections and an inner wall of a toner-conveying pipe, and process cartridge and image forming apparatus having this device. Residual toner after transfer, which is... | 09/09/2008 |
| 7412189 | Wet-type electrophotographic image forming apparatus and a setting method thereof A wet-type electrophotographic image forming apparatus comprises a main body, a developing unit disposed inside the main body, a developer cartridge for providing developer to and collecting developer from the developing unit, and a fitting unit for connecting the d... | 08/12/2008 |
| 7412192 | Developer supply container If a user is not familiar with the operation for a developer supply container, the rotating operation for the developer supply container may be insufficient, so that developer supply container does not reach a predetermined operating position, with the result of abn... | 08/12/2008 |
| 7409170 | Developing apparatus, image forming apparatus and density detection method To provide a technology capable of realizing high-accuracy detection of toner density. A developing apparatus includes: a partition plate provided within the developing apparatus for partitioning an interior of the developing apparatus into a plurality of spa... | 08/05/2008 |
| 7389064 | Image forming method and apparatus for convenient replacement of developer containers An image forming apparatus includes a plurality of containers, a container compartment, and a plurality of indicators. The plurality of containers contains developing agent, and may be arranged in parallel with each other in a first sequential order. The container c... | 06/17/2008 |
| 7389067 | Developer cartridge of an image forming apparatus for removably mounting A developer cartridge is constituted to be mounted attachably and detachably in a directional orthogonal to a rotating shaft of a developing unit main body and the developer cartridge has a developer containing portion and a developer recovery portion for recovering... | 06/17/2008 |
