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6678492 Toner container and toner delivery apparatus  
In an image forming apparatus, a toner container removably set on the apparatus and a developing section included in the apparatus are communicated to each other by a delivery passage. Toner can be...
6671482 Toner cartridge cap  
The present invention provides a toner cartridge cap with a cylindrical base portion with preferably at least one opening in its upper sidewalls and at least one collection fin extending into the...
6668145 Toner cartridge opening control arrangement  
A toner cartridge opening control arrangement is constructed to include a toner cartridge for accommodating toner, the toner cartridge having an opening for output of the toner into a toner...
6665509 Ejection mechanism for a toner container  
A toner container is constructed to include a toner storing portion for accommodating toner, a supply opening adapted for guiding toner from the toner storing portion to a toner receiving portion...
6654569 Toner cartridge and mechanism for detecting remaining amount of toner  
A toner cartridge has a toner chamber, agitator, damper, and position indicator. The agitator is disposed in the toner chamber and is free to rotate. The agitator is pushed to rotate and agitate...
6653038 Toner, image forming method and process cartridge  
A toner is formed of toner particles each comprising at least a binder resin, a colorant and a wax, and inorganic fine powder. The toner is characterized by (a) containing a sulfur-containing...
6654581 Foolproof device used in a process cartridge for an image forming apparatus  
A foolproof device used in a process cartridge for an image forming apparatus, where the process cartridge has a developing device and a toner container, includes female engagement portions of two...
6647236 Toner container including foldable case and toner replenishing device using the same  
A toner container of the present invention includes a rectangular, hollow case having a top wall, a bottom wall, two side walls facing each other and two end walls facing each other. The side walls...
6633738 Self-cleaning mechanism enabling visibility into containers of particles  
This invention relates to the packaging and subsequent removal of particulate matter that tends to stick in its storage container. Particular application of the present invention is to cartridges...
6628914 Sliding cover device arrangement for controlling toner passage between the toner container and developing device of an image forming apparatus  
A sliding cover device arrangement for controlling toner passage between a toner container and a developing device of an image forming apparatus, wherein the developing device has a plurality of...
6623899 Electrophotographic photosensitive member, process for production thereof, process cartridge and electrophotographic apparatus  
An electrophotographic photosensitive member exhibiting good potential characteristic and image forming characteristic fee from difficulties, such as lower image density, black spots and fog or...
6625404 Apparatus for controlling the amount of developer material and toner concentration  
A developing apparatus is provided in which a developer material in a development tank is made to circulate through a developer material storage vessel detachably mounted on the development tank,...
6608983 Toner container and air stream delivering mechanism  
In an image forming apparatus, atoner container removably set on the apparatus and a developing section included in the apparatus are communicated to each other by a delivery passage. Toner can be...
6603940 Detachable process cartridge for image forming apparatus  
A process cartridge includes a toner unit including a toner containing space and a toner supply space. A development unit including rollers. There is a holding frame having a fixture section for...
6600881 Methods and apparatus for facilitating installation of imaging media cartridges in imaging apparatus  
The invention provides methods and apparatus for facilitating installation of cartridges containing imaging media cartridges into imaging apparatus, such as printers. In one embodiment of the...
6597882 Developing apparatus  
A developing apparatus comprises a toner supply auger provided slidably along a shaft in a development case for transferring toner supplied from a toner supply inlet along the shaft to a transfer...
6591079 Toner cartridge and printer to which the toner cartridge is attached  
A toner cartridge is removably attached to a printer and discharges toner into a hopper of the printer. When the toner is to be discharged into the hopper for a first time after the toner cartridge...
6591077 Image forming apparatus and toner container therefor  
An image forming apparatus of the present invention includes a mount portion in which a toner container is expected to be set from above. When the toner container set in the mount portion runs out...
6589701 Dry toner, image forming method and process cartridge  
A dry magnetic toner is formed of magnetic toner particles comprising a binder resin and magnetic iron oxide particles. The magnetic toner is provided with excellent developing performances and...
6587648 Developer supply device  
The developer supply device includes a loading unit for loading a supply container for storing a developer for supply, a detection mechanism for detecting whether there is a projection for...
6571076 Image forming apparatus and toner container therefor  
A toner container for an image forming apparatus is made up of a deformable, hermetic bag packed with toner and a box accommodating the bag. A mouth member is affixed to the bag. A powder pump...
6553201 Replenisher mechanism interface  
An interface member providing flow communication of particulate material between a particulate material receptacle and a housing of a mechanism for replenishing particulate material from a...
6549744 Powder container for an image forming apparatus and powder discharging device  
A powder container for an electrophotographic image forming apparatus includes a deformable bag and a powder discharging portion made up of a tapered portion and a toner outlet. A buckling reducing...
6546216 Toner supplying unit for a developing apparatus  
A flexible element for converting an opening port of a toner supply container in an openable and closable manner is provided so that, when the toner supply container is joined to a developing unit,...
6526246 POWDER REPLENISHING DEVICE, POWDER CONVEYING DEVICE, DEVELOPING APPARATUS USING THE SAME POWDER REPLENISHING DEVICE OR POWDER CONVEYING DEVICE, AND IMAGE FORMING APPARATUS USING THE SAME POWDER REPLENISHING DEVICE OR POWDER CONVEYING DEVICE  
The powder container includes a powder discharging outlet at one end portion of one side wall of the powder container. The powder replenishing device further includes a reciprocating motion device...
6519436 Toner powder container for storing toner applicable to an electrographic image forming apparatus, a method at assembling the same, and a method of reducing the volume of the same  
A powder container of the present invention is made up of a flexible or deformable bag storing powder therein and a box for accommodating the bag. A seal valve is fitted in an outlet portion formed...
6516168 IMAGE FORMING APPARATUS, A CARTRIDGE AND DEVELOPER CONTAINER DETACHABLY MOUNTABLE THEREON, AND A DRIVING SOURCE FOR PROVIDING A FORCE FOR OPENING A SEALING MEMBER FOR REMOVABLY SEALING A DEVELOPER SUPPLYING OPENING  
A cartridge detachably mountable to the main assembly of an image forming apparatus includes a developing frame provided with an opening; a developer carrying member in the opening to carry...
6512903 Developer accommodating container, a developing device, a process cartridge, and an image forming apparatus whose developer-accommodating-container opening is sealed by a seal member  
A developer accommodating container for accommodating a developer and being detachably mountable to a main assembly of an image forming apparatus includes a main body for accommodating the...
6507720 Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers therefor  
A color image forming apparatus includes a main body and a toner container setting part configured to set a plurality of toner containers individually therein. Each toner container contains a toner...
6501913 Container, its support structure, and image formation apparatus  
The container includes a container body that has a structure in which its walls constructing an interior space are collapsible and an aperture in one section of the body when constructed....
6496671 Toner cartridge with locking toner discharge opening  
A toner cartridge extending in a longitudinal direction thereof has a fresh toner chamber and a water toner chamber. The fresh toner chamber and waste toner chamber extend parallel to each other so...
6463241 Developing apparatus having toner restricting portion for restricting leakage of toner and an electronic photographing apparatus having the developing apparatus  
A developing apparatus is provided which includes a toner container. The toner container has a bottom wall for receiving the toner and an opening facing a photosensitive drum. A toner supplying...
6456811 Toner bottle  
A toner bottle is provided with a cylindrical bottle portion with an opening at one end, a cylindrical cap holding portion connected to the opening of the bottle portion, and a cap member attached...
6438342 Ink bottle set up unit for a printing machine  
A printing machine is provided which includes a body 1 having an opening 5 , a drum support member 2 located in the body and having a head section 9 formed with an ink receptor port 8 , and...
6424812 Toner container and scraper arrangement  
In the embodiments described in the specification a toner container and scraper arrangement includes a toner bottle having a rectangular cross-section and a flexible wire mounted on a rotatable...
6421518 Toner loading system  
A toner loading system for an image forming apparatus includes a valve for a toner bottle and a valve opening member on a toner hopper of the image forming apparatus. The valve includes a first...
6418283 Communications cartridge  
An article including: a container with an opening which container is adapted to accommodate and dispense the contents therefrom; a closure seal in contact with the container; and a signal module in...
6418292 Developer replenishing container with movable shutter feature, cartridge and image forming apparatus employing developer replenishing container  
The present invention relates to a developer replenishing container detachably attachable to a main body of an image forming apparatus which has a container body including an developer containing...
6405011 Developer replenishing container  
A developer-replenishing container having a cylindrical container body holding a developer, a front bottleneck for output of the developer, a tubular front extension axially connected between the...
6405010 Toner cartridge having an agitating paddle  
A toner cartridge including a cartridge body for containing toner, an agitating paddle for agitating toner and a toner blocking/setting prevention member operative in cooperation with the agitating...
6393241 Nozzle having an end portion capable of penetrating into a toner discharging portion included in a toner container that stores powdery toner  
A toner conveying device for an image forming apparatus includes a nozzle capable of penetrating into a toner container when the toner container is mounted to the image forming apparatus. The...
6389257 Developer cartridge having a spirally-formed feeding member mounted in a cylindrical member and method of manufacturing the same  
A developer cartridge includes a cylindrical member in which developer containing at least toner is stocked, a supply port opened in the cylindrical member, and a spiral feeding member which is...
6374068 Part-replacement aid tool and image forming apparatus to which the same is attachable  
An aid tool used for aiding in replacement operation of a part to be replaced in an image forming apparatus. This aid tool includes: a part holding unit for holding a part to be replaced; and a...
6370349 Toner storing container and toner replenishing device therewith  
A cylindrical toner storing container that engages with a rotation transmitting member of a developing device provided in an image forming apparatus to rotate around the rotation axis integrally...
6363232 Developer material cartridge having a robust multiple function seal  
A developer material cartridge including a robust multiple function seal, for use in a developer unit of an electrostatographic reproduction machine including a machine interface member. The...
6356729 Electrophotographic toner, toner container containing the toner, image forming apparatus using the toner container and method for supplying the toner from the toner container  
A toner with a volume average particle diameter not less than 6.0 μm and a particle distribution such that toner particles having a particle diameter not greater than one half of the number...
6349191 Replaceable container assembly for storing material for delivery to or from a printing machine  
A container assembly for storing material for delivery to or from a printing machine, the assembly including a container having a chamber for storing the material and a first mouth member, the...
6347199 Toner supply method in picture image forming system and picture image forming system  
There is provided a toner supply method in a picture image forming system having a plurality of picture image forming parts, each of which is designed to supply a toner from a toner cartridge to a...
6343883 Toner cartridge comprising a magnet assembly  
A cartridge is attached to a printer that performs a printing operation only when the cartridge is a predetermined kind of the cartridge. The cartridge includes a first predetermined number of...
6337965 Compact toner supply device capable of preventing inadvertant removal of toner bottle and scattering of toner  
A toner bottle has a protruding portion on a lateral side of the toner bottle and an incised groove is provided in a bottle holder, and both of them are composed to be removable and to rotate...