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5589919 Toner cartridge and color image forming apparatus in use therewith  
A toner cartridge in use with an image forming apparatus such as a printer. The toner cartridge includes a cylindrical container for accommodating toner, and the cylindrical container further...
5585895 Developing device and process cartridge with it  
An elastic regulating member for regulating thickness of a layer of developer conveyed to a developing station by a rotatable developing sleeve is abutted against the developing sleeve. At a toner...
5576816 Toner cartridge internal plug  
A device is provided for storing a supply of particles for use in a developer unit of an electrophotographic printing machine. The device includes an open ended container defining a chamber in...
5574549 Container coupling member  
An assembly is disclosed comprising: (a) a coupling member comprising a cradle portion defining a container receiving space, and including a first side end having a first flange which extends into...
5570170 Electrostatic printing apparatus with a hopper and applicator roller with method of applying toner to and declumping the applicator roller  
Electrically conductive magnetic toner is supplied to an electrostatic printing apparatus by dispensing it pneumatically from one of two different toner bottles mounted on dispenser blocks. The...
5564607 Supply cartridge for an electrostatographic printer or copier  
A supply cartridge for a printer or copier retains a quantity of dry marking material. The cartridge defines a round structure on an exterior thereof, with a collar rotatable about the round...
5557382 Toner replenishing device for a developing device  
In a developing device included in an electrophotographic image forming apparatus, a device for replenishing toner to the developing device has a toner container having a hollow cylindrical body....
5557381 Developer supplying unit with multiple containers  
A developer supplying container of cylindrical shape which is connectable in a direction of its rotational axis. The container having a developer sending aperture on a base, a developer receiving...
5555080 Slide cover for marking particle cartridge  
A marking particle cartridge including a container defining a marking particle storage chamber and an opening communicating with such chamber through which marking particles may pass, a removable...
5528349 Developer container for stably replenishing developer to developing device  
A developer container has a cylindrical container body with a bottom end and an open end and a cap closing the open end of the container body. The developer container has a spiral rib, a outlet...
5520229 Developer replenishing cartridge and developer receiving apparatus within which such cartridge is mounted  
A developer supply opening of a developer replenishing cartridge is sealed by a flexible film peelably adhered to the cartridge, and one end of a folded back portion of the film is secured to a...
5517286 Developing apparatus  
A stationary magnet is disposed in a developing sleeve for carrying a one component magnetic developer. A regulating sleeve for regulating a layer of the developer is disposed opposed to the...
5517288 Toner ribbon development cassette  
Apparatus for creating powder images. An image forming member and a toner delivery system are supported opposite each other. The images are formed by the image forming member along a first...
5508795 Developing device and image forming apparatus with the same  
A printer comprises a process unit which includes a photoconductive drum, a developing device having a toner storage section, a replaceable toner cartridge for supplying toner to the toner storage...
5508794 Developer recycling system and developer cartridge therefor  
A developer recycling system is provided for replenishing a fresh developer to a developing device of an image forming apparatus and collecting it after use. A developer cartridge applicable to the...
5499082 Developing device using two-component type developer having doctor blade resiliently abutted against openings in vessel and an outlet portion in vessel to discharge the developer  
A developing device using a two-component developer including a vessel for holding the two-component developer, a magnetic roller provided within the vessel and rotatably supported by side walls of...
5491538 Development apparatus having an adjustable width development nip  
A printing machine of the type in which a latent image recorded on an image bearing surface is developed with toner to form a visible image thereof, includes a development apparatus for developing...
5483322 Developing unit for an electrophotographic apparatus  
A developing unit for an electrophotographic apparatus comprises a photosensitive body for forming a latent image thereon, a developing roll utilizing two-component developer containing toner and...
5475478 Developer unit and method of supplying developer  
A developing unit has an initial developer container containing an initial developer composed of toner and carrier, joined pivotally with a pin to a toner container having an initial developer...
5472026 Toner loading system having a swiveling extendible filler snout  
A system for loading toner into a large capacity printer and copier machines includes a base adapter with a swiveling filler snout for receiving and latching onto a spout of a large toner...
5465139 Developer having a toner hopper disposed completely below the imaging drum  
A developing device using a one-component developer or toner and applicable to image forming equipment for supplying the developer to a photoconductive element disposed above the device. The device...
5450178 Process and apparatus for replacing the carrier portion of a developing agent having toner used in an image-forming apparatus  
In an image-forming apparatus, in which an electrostatic latent image on a photoconductive drum is developed by a toner accommodated in a container, a periodical exchange of carrier in a container...
5448341 Image forming apparatus  
Disclosed is an image forming apparatus capable of performing an image forming operation in both a horizontal position and an upright position. This image forming apparatus comprises a rotary...
5442423 External development housing bearings  
A developer unit includes a housing defining a chamber for storing a supply of toner therein. The developer unit also includes a member for moving the toner in the chamber of the housing and a...
5440376 Electrophotographic apparatus  
In an electrophotographic apparatus according to the present invention, carrier is gradually supplied to a developing device and a developer is gradually discharged from the developing device...
5438396 Toner anti-dribble device for fill equipment having vertical fill funnel and auger feeding  
A toner anti-dribble device is attachable to a toner fixture having a vertical fill tube and a rotatable auger for feeding toner into a toner cartridge. The toner anti-dribble device includes a...
5434655 Printer with improved toner loader door  
A laser printer includes a cover with a top surface and an adjoining wall having an inlet opening for single-fed sheets. A receptacle is positioned beneath the cover for receiving a toner supply...
5426492 Space optimizing toner cartridge  
A space optimizing toner container for an electrophotographic printing machine. The toner container is generally configured so that it is larger in the horizontal dimension than in the vertical...
5426493 Removable lid apparatus for toner cartridge and method of use  
A removable lid assembly for covering the access opening of a blade housing segment of a Canon developer cartridge wherein the blade housing segment has a cavity therein which intersects with the...
5426484 Conveyor housing having an opening which can be rendered in accessible by a toner housing  
Developing apparatus includes a developing housing and a toner supply housing which is pivotal to a first position on which the toner supply housing comes in engagement with the developing housing...
5419468 Developing toner supply device with detachable toner cartridge and toner supply shielding member  
In this developing toner supply device, the main body of a toner cartridge having an unused toner storing room is designed in a longitudinal vessel shape. A projecting portion is projected from the...
5412364 Toner pack and development device for use in electrophotographic apparatus  
A toner pack for use in an electrophotographic apparatus is formed of a polypropylene resin containing 30 to 50 wt % calcium carbonate filler. This resin has a high deformability, and generates a...
5398849 Cartridge with slide mechanism for dispensing toner  
A toner cartridge dispenses toner for a printing apparatus. The cartridge comprises a housing having an internal cavity and a series of openings through a sidewall of the housing. An axially...
5398098 Image forming apparatus  
An forming apparatus of the present invention is provided with a waste-toner transport unit that is installed separately from a photoreceptor drum cartridge. The waste-toner transport unit is...
5392963 Refurbished toner cartridge  
A refurbished toner cartridge includes a cover having elongated side dimensions with integral flanges and a mating bottle also having elongated side flanges, the flanges bonded to create an...
5392102 Developing device having toner cartridge discriminator  
An image-forming apparatus includes a developer container containing a developer which is to be inserted into a developer replenisher of a main body, a cover for the developer replenisher and a...
5390002 Toner cartridge holder pin  
An easily removable and reusable holding pin for securing together the sections of a toner cartridge assembly for use in imaging machines. The holding pin comprises a shank with a head structured...
5385181 Dispensing cartridge  
The invention relates to a dispensing cartridge adapted to discharge material therefrom to a receiving member during a dispensing operation. The cartridge includes an inner tubular member with an...
5383502 Automatic toner dispenser lid latching and unlatching system  
An imaging material replenishment system for a reproduction apparatus, with an imaging material container removably insertable into an insertion guide, which container has a containment lid...
5341196 Image forming equipment using a toner cartridge  
Image forming equipment of the type supplying a toner to a developing device thereof by using a cartridge which is filled with a toner. The cartridge has a sealed opening and is brought to a toner...
5337126 Copier and printer toner shipping, handling and sealing systems  
A toner delivering apparatus and method for supplying toner to the toner hoppers of toner cartridges used in printer, copier and facsimile machines. In one embodiment a balloon is filled with...
5325162 Color image forming apparatus and toner container  
A toner container has three chambers for holding three different color toners. The container is receivable by a receiving structure having a pair of opposing slots for receiving flanges on the base...
5325163 Cartridge type developer supplier and developing device formed as exchangeable unit  
A cartridge type developer supplier, detachably mounted in a developing device for an image formation apparatus such as an electrophotographic recording apparatus, includes a container for holding...
5313993 Toner container and receiving apparatus therefor  
A toner container receiving apparatus has a sump and a sump opening with box-like upwardly extending vertical walls around the sump opening. A toner container includes box-shaped downwardly...
5311265 Toner loading system and method  
A toner loading system for use with reprographic machines which reduces powder clouding and minimizes toner spill during loading. A toner cartridge is mountable on a toner housing. The housing...
5305063 Toner supply device mounted with a replaceable toner cartridge  
A toner supply device attachable to a developing device is provided with a toner cartridge mount portion on which a toner cartridge is mounted, a toner outlet in communication with the developing...
5303008 Seal-forming device for a toner receiving aperture  
A seal-forming device for a replenishment toner receiving aperture of a development apparatus includes a resilient member mounted to the development apparatus and around the aperture. The...
5300991 Image forming apparatus with toner replenisher  
An image forming machine having an image carrier on which an electrostatic latent image is formed, a developing device that develops the latent image and a toner replenisher that replenish toner to...
5298952 Toner supplying device for image forming system  
A toner supplying device for use in an image forming system includes a cleaner portion for removing a residual toner from a photosensitive medium of the image forming system so as to store the...
5296901 Electric contact for dry toner cartridge  
An improved toner cartridge and contact which pertains to the recycling of the cartridge is disclosed by providing an alternate or additional way of completing the electrical bias connection to the...