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| Number | Title | Issue Date |
| 7421232 | Device and method for inking of a charge image with toner material in a printer or copier In a device and method for inking of a charge image with toner material in a printer or copier, the charge image corresponding to a print image to be generated is generated on a surface of a photoconductor element comprising a photoconductive layer. At least one lay... | 09/02/2008 |
| 7286791 | Developing apparatus A developing device includes a developer carrying member for carrying a developer to develop an electrostatic image formed on an image bearing member with a developer, wherein an oscillating electric field is formed between the developer carrying member and the imag... | 10/23/2007 |
| 7259890 | Printing with custom colorant materials A method for printing with a custom colorant material stored in a container having a memory storage element. The memory storage element includes information related to the custom colorant material. In the method, the information is received from the memory storage e... | 08/21/2007 |
| 7242893 | Developer supply container A developer supply container detachably mountable to developer receiving apparatus, includes container body accommodating a developer, the container body being provided with a developer supply port for supplying the developer through a developer receiving port provi... | 07/10/2007 |
| 7177575 | Image forming apparatus An image forming apparatus includes a main body; a photosensitive member on which a latent image is formed; a cartridge detachably attached to the main body and accommodates a developing agent therein; a developing roller provided at the cartridge, the developing ro... | 02/13/2007 |
| 7095977 | Image formation apparatus and image formation method An image formation apparatus comprises a transporting roller pair and resist roller pair for transporting sheets supplied from a sheet supplying device positioned relative to the image formation apparatus at a sheet supplying interval, and an image processing contro... | 08/22/2006 |
| 7013103 | Developer-supplying system of image forming apparatus A developer-supplying system of an image forming apparatus includes a developer-supplying roller supplying a developer onto a developing roller and removing residual developer which is not transferred onto a photosensitive body, but remains on the developing roller ... | 03/14/2006 |
| 6965745 | Imaging consumables metering A container for flowable materials includes a first chamber storing flowable material within the container. A second chamber is separated from the first chamber within the container and contains a stirrer. A metering mechanism permits selective transfer of flowable ... | 11/15/2005 |
| 6711372 | Developing apparatus A developing apparatus having a resilient developing roller for developing an image with a single-component toner includes a contacting mechanism for moving the developing roller into contact with a surface of an image carrier for developing the image and moving the... | 03/23/2004 |
| 6538759 | Non-reproducible image formation preventing apparatus and image formation apparatus An non-reproducible image formation preventing apparatus has a recognition section, a storage section and a comparison/determination section. The recognition section performs recognition processing for received image data, determines whether or not the im... | 03/25/2003 |
| 6507718 | Method and apparatus for reducing adhesion of carrier to image bearing member In an image forming apparatus having a reverse development system and using a two-component developer, respective potentials applied when charging an image bearing member and when applying a development bias to a developer bearing member are attenuated wh... | 01/14/2003 |
| 6466755 | Image forming apparatus which a developing roll is capable of contacting with and spacing from An image forming apparatus has an image bearing member, a charger for charging the image bearing member image forming means for selectively erasing charge on the image bearing member to thereby form an electrostatic image, and a developing device for deve... | 10/15/2002 |
| 6463240 | Potential controlling method and potential controller of image forming apparatus There is provided a potential controlling method and potential controller of an image forming apparatus, which can certainly prevent toner and carrier from adhering to the surface of an image bearing body at the time of start and stop of image formation a... | 10/08/2002 |
| 6353720 | Image developing device using a toner as a developer A developing device, includes; a developing roller supporting and conveying mono component toner to a photoreceptor having a static latent image; a supplying roller pressed against the developing roller and rotated so as to supply the toner to the develop... | 03/05/2002 |
| 5897243 | Electrophotographic recording apparatus configured to switch a bias voltage in a developing unit In an electrophotographic image recording apparatus of the type using a single-ingredient type developer, i.e., toner, a latent image is electrostatically formed on a photoconductive drum or similar image carrier. A developing unit has a developing roller... | 04/27/1999 |
| 5848337 | Electrical biasing scheme for preventing overplating in an image-on-image electrostatographic printing system A method and apparatus for eliminating undesirable development of background charge potentials in a multicolor electrostatographic system is disclosed, wherein the application of a developer bias at a given development station is selectively controlled to... | 12/08/1998 |
| 5598255 | Electrostatographic printer for forming a toner image onto a receptor web adapted to reduce smudging An electrostatographic printer for forming a toner image onto a receptor element comprises: (i) at least one toner image-producing electrostatographic station comprising rotatable endless surface means onto which a toner image can be formed, means for for... | 01/28/1997 |
| 5572301 | Developing device to which drive transmission from a cartridge is cut off A developing device is provided with a supporting device for removably and rotatably supporting a toner cartridge containing a toner therein and having a toner supplying opening portion and toner discharge device for discharging the toner in the toner car... | 11/05/1996 |
| 5319420 | Apparatus for controlling the flow of developer material in a development station An apparatus for controlling a flow of developer material in a development station. Gating means for regulating the flow of developer material in a development station are mounted for movement between an open position, allowing a flow of developer materia... | 06/07/1994 |
| 5287149 | Image forming apparatus having image transfer electrode contactable to transfer material An image forming apparatus includes an image bearing member for bearing a toner image, movable along an endless path; an original supporting platen for supporting an original: an illumination source for illuminating an original on the supporting platen; a... | 02/15/1994 |
| 5181074 | Toner replenishing device The invention provides a developing apparatus in which toner is mixed with magnetic carrier particles by agitator in an agitating part so as to form two component type developer. The device for feeding toner has a rotatable feeding roller disposed above t... | 01/19/1993 |
| 5148219 | Image forming apparatus with developing and cleaning system A recording apparatus including an image carrying body, an exposing device for exposing the image carrying body, to form an electrostatic latent image, a developing and cleaning device for supplying a developing agent to the electrostatic latent image, to... | 09/15/1992 |
| 5121172 | Method and apparatus for producing single pass highlight and custom color images Single Pass Highlight Color (SPHLC) and Single Pass Custom Color (SPCC) images are made possible on a single print using relatively high development fields compared to the prior art. Three scavengeless development housings, one with the specified custom c... | 06/09/1992 |
| 5077578 | Development system An apparatus which develops an electrostatic latent image recorded on a photoconductive member with toner. The toner in the chamber of the developer housing is fluidized and transported thereacross by an elongated member. A donor roller advances the toner... | 12/31/1991 |
| 4959692 | Developing device with retractable cutoff member A developing device including a rotatable developing sleeve confronting an electrostatic latent image support member, a supply device for supplying developer to a peripheral surface of the developing sleeve, a bristle height regulating member, a device fo... | 09/25/1990 |
| 4959286 | Two-pass highlight color imaging with developer housing bias switching Imaging method and apparatus utilizing some of the features of both single and two pass highlight color imaging. Both developer housings are always actively engaged. One housing is used for charged area development (CAD) and the other is used for discharg... | 09/25/1990 |
| 4901112 | Copying apparatus and method of development control A developing device disposed at a fixed position is controlled so as to suspend its developing operation of supplying toner to an electrostatic latent image for a predetermined period of time when boundary portion of two electrostatic latent images succes... | 02/13/1990 |
| 4814816 | Developing device A developing device including a developing roller having on its surface a layer of developing agent forced against a photosensitive member to perform developing. The developing roller is brought into contact with the photosensitive member under a predeter... | 03/21/1989 |
| 4766468 | Developing method and apparatus for a photocopier A method of development includes providing a mixture of non-magnetic developer particles and magnetic particles in a developer supply container, carrying the mixture on an insulating surface of an endlessly movable developer carrying member and confining ... | 08/23/1988 |
| 4716437 | Development station having apertured thin film for controlling the flow of developer material A development station conveys developer material from a sump to a magnetic brush for development of latent images on a photoconductor. The developer material flows through a slot adjacent the magnetic brush. A thin film having a plurality of apertures is ... | 12/29/1987 |
| 4699079 | Toner modules for electrophotographic print engine An improved full color electrophotographic print engine using flexible belts to carry a photosensitive electrostatic image developer and a transfer belt for building up composite developed images. Each belt, and an optical scanner, are driven by mechanica... | 10/13/1987 |
| 4699495 | Electrographic development apparatus having coordinated gate mechanism and wiper A development station for electrographic apparatus has a magnetic brush which receives developer material from a sump and applies it to a latent image on a photoconductor. A metering slot for the developer material is provided adjacent the magnetic brush.... | 10/13/1987 |
| 4690096 | Magnetic brush development apparatus having a gating and metering mechanism In electrographic apparatus a magnetic brush development station has a housing with a sump for holding a supply of developer material, and a magnetic brush that applies developer material from the sump to a latent image on a photoconductor. A rotatable tr... | 09/01/1987 |
| 4671207 | Magnetic brush development apparatus Magnetic brush development apparatus for applying developer material to a latent image on a photoconductor includes a housing having a sump which receives a supply of developer material. A magnetic brush spaced from the sump applies the material to the la... | 06/09/1987 |
| 4601259 | Developing apparatus A developing apparatus develops an electrostatic latent image formed on the surface of an image retaining member into a visible image by the use of a developer including a magnetic carrier and a toner. The developing apparatus includes a rotatable non-mag... | 07/22/1986 |
| 4466379 | Magnetic brush apparatus In a developing apparatus, a rotatable cylindrical sleeve faces to a photosensitive layer. A rotatable magnet roller is arranged inside the cylindrical sleeve and which is provided magnet poles facing the photosensitive layer. A movable scraper is pivotal... | 08/21/1984 |
| 4461562 | Magnetic toner applicator A magnet roll for the toning of electrostatic latent images comprising a central rectangular core mounted to be rotatable about an axis through an angle of about 180° from a first to a second position and carrying face magnetized permanent magnet segment... | 07/24/1984 |
| 4330198 | Magnetic brush developing device for electrostatic copying apparatus A magnetic brush developing device for an electrostatic copying apparatus wherein a magnetic brush is formed on a surface of a developing roller includes a magnet roller rotating inside of a cylindrical sleeve which is located adjacent to the surface of a... | 05/18/1982 |
| 3939801 | Magnetic brush developing apparatus A magnetic brush developing apparatus for use in a dry process electrophotographic copying apparatus which includes a developing roller rotatably provided adjacent to a movable photoreceptor surface and comprising a rotatable outer cylinder and a pluralit... | 02/24/1976 |
