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| Number | Title | Issue Date |
| 8180265 | Image forming apparatus An image forming apparatus includes a belt member, a toner image forming device, a stretching member for stretching the belt member, and a transfer member for transferring a toner image onto a recording material. The image forming apparatus also includes a fur brush... | 05/15/2012 |
| 8041272 | Drum positioning system Various embodiments and methods adjust and maintain a relative positioning and/or pressure between a first drum and a second drum using first and second bearers coupled to the first and second drums, respectively, and at least one spacer mechanism between the first ... | 10/18/2011 |
| 8023870 | Image forming apparatus having a control section which corrects deviation of a belt An image forming apparatus includes: a rotating belt which rotates around a roller; a drive section which rotates the belt; a detection section which detects a position of the belt in a width direction; a moving section which moves the belt in the width direction; a... | 09/20/2011 |
| 7536142 | Transfer belt and full color image-forming apparatus equipped therewith A transfer belt that contains carbon black A, that is acidic carbon black having a pH value of not more than 6 or basic carbon black having a pH value of not less than 8; resin B, that is a polymer capable of serving as an electron-pair donator or as an electron-pai... | 05/19/2009 |
| 7522869 | Inline wax coating process for xerographically prepared MICR checks A process of MICR and non-MICR electrostatic magnetic imaging of two independent electrostatic latent images including forming a first electrostatic latent image in a MICR printing apparatus; developing the first electrostatic latent image by contacting the first el... | 04/21/2009 |
| 7440711 | Image-forming apparatus having cleaning roller to remove toner from transfer roller that facilitates transferring toner image from image-bearing member to recording material An image-forming apparatus includes an image-bearing member supporting a toner image; a transfer roller that rotates in contact with the image-bearing member so as to transfer the toner image to a recording material; first and second cleaning rollers, each having a ... | 10/21/2008 |
| 7433637 | Image forming apparatus and method of manufacturing electronic circuit using the same An image forming apparatus comprises an exposure unit forming an electrostatic latent image on a photoconductor based on image information, a developing unit developing the electrostatic latent image by toner made of formation material of a circuitry layer, and an e... | 10/07/2008 |
| 7426043 | Asymmetric IDZ precession in a multi-pass direct marking system What is disclosed is a system and method for minimizing the Inter-Document Zone (IDZ) in printing system architectures with print engines running at constant speed. The asymmetric IDZ precession disclosed herein is intended for those multi-pass systems where there i... | 09/16/2008 |
| 7412187 | Apparatus and method for cleaning the transfer roller of image forming apparatus An apparatus and method for cleaning a transfer roller of a wet-type image forming apparatus are provided. The method includes applying a measured voltage to the transfer roller; measuring a resistance among a transfer backup roller, an intermediate transfer medium,... | 08/12/2008 |
| 7352984 | Electrophotographic endless belt, electrophotographic apparatus having electrophotographic endless belt, and process for producing electrophotographic endless belt An electrophotographic endless belt containing a polyamide resin, carbon black and a filler, characterized in that the polyamide resin is at least one resin selected from the group consisting of polyamide 610, polyamide 612, polyamide 11 and polyamide 12, the filler... | 04/01/2008 |
| 7340196 | Residual toner removal apparatus and image forming apparatus An image forming apparatus including an image bearing member that rotates while bearing toner image, a transfer unit including, a transfer member that rotates while contacting to the image bearing member and transfers the toner image on the image bearing member to a... | 03/04/2008 |
| 7340199 | Image forming device The present invention provides an image forming device, which facilitates maintenance and replacement of an intermediate transfer body and an image carrier, and prevents a deterioration in image quality which accompanies the formation of the intermediate transfer bo... | 03/04/2008 |
| 7330674 | Image forming apparatus for preventing resistance variation of intermediate transfer belt and method thereof An image forming apparatus for performing a printing job using an intermediate transfer belt is provided. The image forming apparatus has a voltage determination part for determining a predetermined level of a refresh charge corresponding to a potential difference w... | 02/12/2008 |
| 7320822 | Electrophotographic conductive member and electrophotographic apparatus In an electrophotographic conductive member composed of at least a thermoplastic resin composition, the thermoplastic resin composition contains a thermoplastic resin, a conductive filler and a conductive-filler dispersing agent, and the conductive-filler dispersing... | 01/22/2008 |
| 7317884 | Image forming apparatus featuring a defined relationship among an image length, transforming member length, and length of an electric field area An image forming apparatus is provided with an image bearing member bearing a toner image thereon, a toner image forming device for forming the toner image on the image bearing member, a transferring member for transferring the toner image borne on the image bearing... | 01/08/2008 |
| 7315718 | Cast-coated papers having enhanced image permanence when used with color xerographic printing and a method of printing the cast-coated papers in an electrophotographic apparatus An enhanced or optimized cast-coated paper for enhancing or improving toner adhesion, and a method for forming an image on the enhanced or optimized cast-coated paper, includes a paper sheet with a coating solution on at least one surface of the paper sheet, the cas... | 01/01/2008 |
| 7315719 | Transfer charge device cover in non-image receiving medium area An image forming apparatus may include: a photoreceptor and a corona charging device or bias transfer roller that provides a charge to an image receiving medium. A cover may be disposed over a portion of the corona charging device or the bias transfer roller to shie... | 01/01/2008 |
| 7310487 | Image forming apparatus with controlled timing of contact of cleaning blade against intermediate transfer member A circulating intermediate transfer member contacts an image carrier at a primary transfer position at which a toner image is transferred onto the intermediate transfer member. A secondary transfer member contacts the intermediate transfer member at a secondary tran... | 12/18/2007 |
| 7305207 | Cleaning system A cleaning system includes a rotating member and a cleaning blade which is forced against a curved outer surface of the rotating member to scrape off matter to be removed (toner) which is present along the outer surface of the rotating member. The cleaning blade has... | 12/04/2007 |
| 7302203 | Image forming apparatus An image forming apparatus, is provided with an image forming section, an image carrying member, a transferring section to transfer the toner image from the image carrying member to a recording sheet, and a cleaning section including a cleaning blade being in contac... | 11/27/2007 |
| 7302217 | Image forming apparatus and transfer apparatus employing endless belt Transfer roller(s) is/are such that either end thereof is formed from fibrous electrically conductive component(s) and such that cylindrical portion(s) in central region(s) is/are, for example, formed from metal roller-like structure(s), either fibrous electrically ... | 11/27/2007 |
| 7292812 | Image forming apparatus An image forming apparatus includes at least two image bearing members, a transferring unit that makes a physical contact with both the image bearing members, and a lubricant applying unit that applies lubricant on the surface of the image bearing members. Images ca... | 11/06/2007 |
| 7277657 | Cleaning device and image forming apparatus including the cleaning device that controls occurrences of background fouling and abnormal image A cleaning device is used in an image forming apparatus to remove residual attachments including toner and paper powders from a surface of a movable intermediate transfer element onto which toner images are transferred from an image carrier. The cleaning device incl... | 10/02/2007 |
| 7269378 | Transfer unit mounting device and image forming apparatus having the same A transfer unit mounting device of an image forming apparatus to mount and dismount a transfer unit in and from the image forming apparatus. The transfer unit includes a transfer belt driven by a plurality of rollers, and a housing to protect the transfer belt. The ... | 09/11/2007 |
| 7264911 | Image forming apparatus and image forming method The invention provides an image-forming apparatus equipped with a toner container containing toner particles and an endless belt circulating in contact with image carriers carrying electrostatic latent images. The image-forming apparatus forms a toner image on a rec... | 09/04/2007 |
| 7257340 | Image forming apparatus featuring a controller for switching a first transfer bias to a second smaller transfer bias while the print material is passing through a transfer nip portion To prevent jamming with small-sized print materials without disturbing an image located at a trailing end of a print material, an image forming apparatus includes a photosensitive drum that carries a toner image, a transfer device which can apply a transfer bias to ... | 08/14/2007 |
| 7254364 | Cleaning blade for an image forming apparatus featuring a supporting portion and a cleaning portion having specified hardness and friction properties for the portions An image forming apparatus includes an image bearing member on which a toner image is formed and a blade retained so as to be capable of coming into contact with and separating from the image bearing member and adapted, when in contact with the image bearing member,... | 08/07/2007 |
| 7251443 | Laser printer with diselectrification brush A laser printer includes a photoreceptor drum, a transfer roller contacting the photoreceptor drum, a transfer roller frame holding the transfer roller, an outer frame holding the transfer roller frame, a diselectrification brush fixed to the transfer roller frame, ... | 07/31/2007 |
| 7245848 | Method and apparatus for discharging a conductive brush cleaning assembly for a transfer roller An electrophotographic machine includes a dielectric member configured for carrying a toner image. A transfer roller engages the dielectric member and transfers the toner image to an image substrate. A transfer roller power supply biases and periodically reverse bia... | 07/17/2007 |
| 7244540 | Liquid toners comprising amphipathic copolymeric binder having insoluble components in the shell portion thereof The invention provides liquid electrographic toner compositions comprising a liquid carrier having toner particles dispersed in the liquid carrier. The liquid carrier has a Kauri-Butanol number less than about 30 mL. The toner particles comprise polymeric binder com... | 07/17/2007 |
| 7245864 | Color image forming apparatus in which toner on intermediate transfer member having predetermined range of loss tangent is removed by blade member An image forming apparatus provided with an image bearing member bearing a toner image, the loss tangent tan δ1 of the image bearing member being 0.05≦tan δ1≦0.40, a transfer member for transferring the toner image borne on the image bearing member to a record... | 07/17/2007 |
| 7242886 | Residual toner removal apparatus and image forming apparatus An image forming apparatus according to the present invention includes an image bearing member, toner image forming device for forming a toner image on the image bearing member, a transferring member for bringing into and out of contact with the image bearing member... | 07/10/2007 |
| 7222954 | Phase change ink imaging component having elastomer outer layer An offset printing apparatus having a coated imaging member for use with phase-change inks, has a substrate, an optional intermediate layer, and thereover an outer coating having an elastomer of monomers selected from the group consisting of halogenated monomers, po... | 05/29/2007 |
| 7215913 | Transfer belt and image-forming apparatus having the same A transfer belt on which a developed toner image is transferred in an electrophotographic process, comprising: a matrix resin; and a chain silicone, contained in the range from 0.5 to 10% by weight to the matrix re... | 05/08/2007 |
| 7214423 | Wear resistant fluoropolymer Disclosed is a fluoroelastomer loaded with an inorganic filler which is coupled to the fluoroelastomer by a titanate, zirconate or aluminate for use as a base layer and/or a release layer on a fuser, transfix, receiver or rheological transfer member in a copy machin... | 05/08/2007 |
| 7212777 | Image forming apparatus used in electrostatic process An image forming apparatus including an image bearing member to bear a latent electrostatic image, an irradiation device and developing device to develop a toner latent electrostatic image on the image bearing member, a cleaning blade to remove toner particles remai... | 05/01/2007 |
| 7208211 | Electrophotographic belt member, process for producing electrophotographic belt member, and electrophotographic apparatus In an electrophotographic belt member comprising a resin composition, the resin composition contains from 30% by weight to 90% by weight of a thermoplastic resin, from 2% by weight to 30% by weight of a compound selected from the group consisting of a polyether-este... | 04/24/2007 |
| 7209683 | Charging roller featuring specified ratio of storage elastic modulus and dynamic viscoelasticity values and process cartridge and electrophotographic apparatus featuring the same Charging roller has at least a support member and a conductive covering member, the charging roller where a value of tan δ expressed in a ratio of a storage elastic modulus and a loss elastic modulus by dynamic viscoelasticity in a cross sectional direction of the ... | 04/24/2007 |
| 7209692 | Color image forming apparatus and discharging device before secondary transfer of the same A color image forming apparatus is described, which makes highly durable image transferring possible. The color image forming apparatus includes: primary transferring devices to transfer unicolor toner images respectively formed on image bearing members onto an inte... | 04/24/2007 |
| 7205046 | Electrophotographic lamination film, a method of producing the same, and a method of forming an image The present invention provides an electrophotographic lamination film which can be easily laminated by using the film as it is without significantly modifying a conventional electrophotographic device, can be printed with letters of high resolution directly on a sur... | 04/17/2007 |
