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| Number | Title | Issue Date |
| 8175476 | Developing apparatus A developing apparatus including a developing container for containing developer, the developing container having an opening portion, a developer carrying member for carrying the developer at the opening portion, a detecting member for detecting a developer amount, ... | 05/08/2012 |
| 8160464 | Developing apparatus A developing apparatus including a developing container for containing developer, the developing container having an opening portion, a developer carrying member for carrying the developer at the opening portion, a detecting member for detecting a developer amount, ... | 04/17/2012 |
| 8086126 | Image forming apparatus with high-voltage power supply An image forming apparatus comprises a developer carrier (101) for developing an electrostatic latent image by supplying an image carrier with developer inside a developer container (100); an electrode member (104) opposing the developer carrier... | 12/27/2011 |
| 7991315 | Developing apparatus and image forming apparatus including the same A developing apparatus, including: a developing container which has an opening portion and contains a developer; a developer carrying member which carries the developer at the opening portion; and a rotatable developer supplying member which is in contact with the d... | 08/02/2011 |
| 7970306 | Image forming apparatus including device for outputting developer remainder amount information An image forming apparatus includes a developing device for developing a latent image formed on an image bearing member on the basis of image information, into a developed image with a developer, the developing device including a developer accommodating portion for ... | 06/28/2011 |
| 7962057 | Developing apparatus A developing apparatus including a developing container for containing developer, the developing container having an opening portion, a developer carrying member for carrying the developer at the opening portion, a detecting member for detecting a developer amount, ... | 06/14/2011 |
| 7957658 | Image forming apparatus An image forming apparatus include an image bearing member, a developing container receiving a developer, a developer carrying member for carrying and conveying the developer, a developer feed member for supplying the developer to the developer carrying member, a de... | 06/07/2011 |
| 7912390 | Image forming apparatus An image forming apparatus include an image bearing member, a developing container receiving a developer, a developer carrying member for carrying and conveying the developer, a developer feed member for supplying the developer to the developer carrying member, a de... | 03/22/2011 |
| 7856189 | Image forming apparatus and a method of effectively detecting toner state in the same An image forming apparatus includes an optical sensor configured to optically detect a density of a reference pattern image, a toner density sensor configured to detect a density of toner in a developing unit, a storing unit configured to store an image area coverag... | 12/21/2010 |
| 7496305 | Method and apparatus for image forming capable of effectively correcting output from toner density sensor An image forming apparatus using a two-component developer includes a sensor mechanism, an image forming mechanism, a toner supply controller, a memory, an estimation mechanism, and a correction mechanism. The sensor mechanism detects a toner density of the develope... | 02/24/2009 |
| 7444089 | Image forming apparatus, toner cartridge and method to detect toner level An image forming apparatus that forms an image according to an electrophotographic system includes plural developing units provided in a cylinder, which freely rotates a fixed angle at a time around a rotation shaft, to rotate together with the cylinder. Toner level... | 10/28/2008 |
| 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 |
| 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 |
| 7406274 | Controlling apparatus for developing roller, image forming device having the same, and developer controlling method thereof An image forming apparatus having a developer controlling apparatus for a developing roller is provided to uniformly control an amount of developer deposited on the developing roller and a developer controlling method thereof. The apparatus includes a sensing part h... | 07/29/2008 |
| 7400837 | Image recording apparatus This invention aims to provide an image recording apparatus capable of preventing deterioration in remaining toner detection accuracy and further to prevent toner from getting damages. To achieve the above described objects, the image recording apparatus according t... | 07/15/2008 |
| 7394998 | Image forming apparatus and developer cartridge A developer cartridge is configured to be detachably mounted in an apparatus main body and to accommodate developer. The developer cartridge includes a drive member and a display portion. The drive member is configured to be driven to move by a driving force when th... | 07/01/2008 |
| 7369785 | Image forming apparatus capable of forming at least one input image on at least one sheet surface and also of forming a selected prestored image on an otherwise blank surface of the sheet At forming an image only on one side of a sheet, an image forming unit is controlled by a control unit to form a back-side pattern image on the back side of the sheet. At forming images on both sides of sheets, when a blank side where no image is formed exists, simi... | 05/06/2008 |
| 7352977 | Toner level detection method and image forming apparatus employing such toner level detection method Forced supply of toner(s) from toner hopper(s) to developer storage container(s) is executed while interrupting and/or prohibiting image forming operation(s) so as to prevent consumption of toner(s), toner level(s) within toner hopper(s) being determined to be low a... | 04/01/2008 |
| 7343121 | Addition of liquid charge control agents to toner in toner development stations of electrographic reproduction apparatus Controlling the charge on toner in a development station of an electrographic reproduction apparatus, wherein data relative to latent image charge carrying member voltage and image density control patches are sensed and development potential to achieve an aim densit... | 03/11/2008 |
| 7343120 | Addition of liquid charge control agents to toner in toner development stations of electrographic reproduction apparatus Controlling the charge on toner in a development station of an electrographic reproduction apparatus, wherein data relative to latent image charge carrying member voltage and image density control patches are sensed and development potential to achieve an aim densit... | 03/11/2008 |
| 7336401 | Systems and methods for estimating an image marking process using event mapping of scanned image attributes Methods and systems used to automatically identify the marking process used for an image on a substrate based on spatial characteristics and/or color of the image. Image types which are classified and identified include continuous tone images and halftone images. Am... | 02/26/2008 |
| 7313336 | Method and apparatus for image forming capable of effectively recycling toner An image forming apparatus includes a plurality of color toner development devices, a recycled toner development device, at least one cleaning device, a toner collecting and supplying device, and an image pattern generation device. The plurality of color toner devel... | 12/25/2007 |
| 7292797 | Toner quantity measuring device, method of measuring toner quantity and image forming apparatus A toner quantity measuring device, a method of measuring toner quantity and an image forming apparatus are provided that can accurately measure the toner quantity in an environmentally friendly manner, without having to make contact with a toner carrier and within a... | 11/06/2007 |
| 7283756 | Image forming apparatus An image forming apparatus includes an image density control feature based on a result detected by an image density detection portion, where a developer amount per 10 mm in a longitudinal direction of a first chamber of a developer... | 10/16/2007 |
| 7280774 | Apparatus and method for automatically adjusting toner density in a color printer An apparatus and method for automatically adjusting toner density in a color printer,. The apparatus includes a toner quantity adjusting module for reading remaining toner quantities from a plurality of cartridges, respectively, comparing a lowest level of the remai... | 10/09/2007 |
| 7239830 | Color image forming system and method of forming color image using the system A color image forming system including a photosensitive drum, a charger which charges the photosensitive drum, and a laser scanning unit which is installed below the photosensitive drum and radiates light onto the charged photosensitive drum, to form an electrostati... | 07/03/2007 |
| 7218871 | Image forming apparatus and method of controlling same When it has been estimated that there is substantially no toner remaining in a toner supply unit based upon the amount of toner that has been supplied from the toner supply unit, a supply roller for supplying toner from the toner supply unit to a developing unit is ... | 05/15/2007 |
| 7180532 | Dry ink concentration monitor interface with automated temperature compensation algorithm A system, method, and apparatus for adjusting dry ink concentration in a developing station (30) of a printer is disclosed. The adjustment is performed by calculating the thermal drift of a dry ink monitor (40) and applying the result as a compensating... | 02/20/2007 |
| 7174123 | Rigid agitator and shaft assembly A toner cartridge includes a waste bin and hopper designed with a rigid agitator assembly. A non-yieldable agitator is mounted on a shaft whereby the rotation of the shaft results in the synchronous rotation of the agitator. As the shaft rotates, the agitator enters... | 02/06/2007 |
| 7174124 | Tandem color image forming apparatus with an image transfer belt and backup roller An image forming apparatus of the present invention disclosed is of the type sequentially transferring toner images from a plurality of photoconductive drums to a sheet being conveyed by an image transfer belt or an intermediate image transfer belt one above the oth... | 02/06/2007 |
| 7171132 | Image forming apparatus having position controller An image-forming apparatus includes an image-forming section, a detection section, and a controller. The image-forming section has an image-bearing body on which an electrostatic latent image is formed and a developing unit that develops the electrostatic latent ima... | 01/30/2007 |
| 7164867 | Method and apparatus for selecting image forming apparatus having enough toner An image forming apparatus network system, which connects two or more image forming apparatuses on a network, that includes image forming apparatuses which receive image data of the object to be printed, have image creating engines for two or more colors, and have a... | 01/16/2007 |
| 7164491 | Identifying apparatus, apparatus to be identified, identifying method, and printing apparatus An encoder of a process unit encodes an identification code output by the CPU of a main unit, thereby obtaining a response code. The response code is returned to the main unit. The logic of the encoder is changeable. At shipment, a first logic is set in the encoder.... | 01/16/2007 |
| 7162174 | Process cartridge having light guides and memory member, and electrophotographic image forming apparatus to which such cartridge is mountable A process cartridge detachably mountable to a main assembly of an apparatus, includes a drum, a developing member, a cartridge frame including a developer accommodating portion, a first light guide adjacent one end of the cartridge frame and a leading end with respe... | 01/09/2007 |
| 7151901 | Image forming apparatus and associated method of detecting developer deterioration An image forming apparatus including a latent carrier and a charging device. The charging device is configured to charge a surface of the latent carrier. An exposure device is configured to expose a surface of the latent carrier for forming a latent image thereon. A... | 12/19/2006 |
| 7149437 | Image forming apparatus, and control system, cartridge and memory medium for the same apparatus The image forming apparatus onto which a cartridge having a developing apparatus and memory medium is detachably mountable, a detector for detecting toner concentration, and a control unit for selecting an operational mode from a first operational mode and second op... | 12/12/2006 |
| 7146115 | Image forming apparatus and developing-agent amount detecting method, cartridge, and storage medium An image forming apparatus having a first operating mode and a second operating mode, where the second operating mode has an image forming velocity different from that in the first operating mode. The image forming apparatus includes a developing-agent containing po... | 12/05/2006 |
| 7124097 | Method and system for ordering a consumable for a device A method for ordering one or more consumables for a device includes selecting one or more of the consumables used in the device to order using the device and submitting the order for the selected consumables using the device to one or more suppliers. A device for or... | 10/17/2006 |
| 7103291 | Printing device and printing program A printing device is capable of externally detecting: (a) a toner concentration in a developing unit; and (b) a reduction in the usable amount of toner. This eliminates the conventional need of disposing the toner concentration sensor in a narrow developing unit or ... | 09/05/2006 |
| 7095967 | Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame A developing device develops an electrostatic latent image formed on an electrophotographic photosensitive member. The developing device is mountable to a main assembly of an electrophotographic image forming apparatus. The developing device includes a developer car... | 08/22/2006 |
