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| Number | Title | Issue Date |
| 8190073 | Endless belt, belt conveyor and image forming apparatus An endless belt is provided with an endless belt body and a meandering prevention member in the form of a flat bar. The belt body includes a folded trace extending in the width direction thereof. The meandering prevention member is attached on one widthwise end of a... | 05/29/2012 |
| 8131196 | Image forming apparatus having a transferring member The image forming apparatus has a configuration in which a secondary transfer roller guides a leading end of a recording material which enters a secondary transfer nip to be led to the secondary transfer nip and the leading end of the recording material is prevented... | 03/06/2012 |
| 8095055 | Electroconductive endless belt having flame retarding material An electroconductive endless belt for use as an intermediate transfer member that is disposed between an image-forming unit and a recording medium, is circularly driven by a drive unit, and temporarily holds a toner image transferred from the image-forming unit and ... | 01/10/2012 |
| 7957685 | Guide member, endless belt, method of producing endless belt, and image forming apparatus using endless belt An endless belt 300 includes an endless belt substrate 10, and a guide member 100 having a rib member 20 and an abutment that is abutted against an edge of the endless belt substrate 10, wherein the abutment of the guide member ... | 06/07/2011 |
| 7917071 | Transfer belt unit and image forming apparatus using the same An image forming apparatus includes a transfer belt unit which has an intermediate transfer belt for supporting toner images and primary transfer rollers for pressing the intermediate transfer belt against corresponding photoreceptor drums and moves the intermediate... | 03/29/2011 |
| 7899379 | Image forming apparatus and toner manufacturing method An image forming apparatus comprises toner with a coloring agent including magnetic powder as a nucleus arranged on a surface of one side of each toner particle, a toner image forming medium on which a toner image is formed using the toner, and a magnetic substance ... | 03/01/2011 |
| 7835678 | Image forming apparatus with swingable transfer members An image forming apparatus includes a movable belt; a transfer member opposed to the image bearing member with the belt therebetween; wherein the transfer member has a contact surface substantially parallel with a surface of the belt and contacted to the belt, and w... | 11/16/2010 |
| 7805101 | Multi-color printing system and method for high toner pile height printing Methods are presented in which one or more pages of a print job are segmented into two or more parts, with the first part being transferred and affixed to the printed medium prior to transferring and affixing the second part, in order to facilitate high TMA (pile he... | 09/28/2010 |
| 7783238 | Transfer charger and image forming apparatus The present invention provides a transfer charger which provides an intermediate transfer belt with a sufficient transfer efficiency, does not wear in contact with an inner surface of the intermediate transfer belt, has a low frictional property, and is excellent in... | 08/24/2010 |
| 7702269 | Endless belt for image forming apparatus and image forming apparatus having the endless belt The present invention provides an endless belt for an image forming apparatus having at least two layers of an inner layer and an outermost layer, in which the average regular reflectance of the surface of the outermost layer is 5.0% or more and the fluctuation of t... | 04/20/2010 |
| 7440721 | Intermediate transfer belt and image forming device An intermediate transfer belt for an image forming device includes a laminated body including at least two layers. At least one layer of the laminated body is an elastic layer including cells that are preferably interconnected cells. ... | 10/21/2008 |
| 7424233 | Image forming apparatus for forming images with at least two process speeds An image forming apparatus forms a multiple-color image with at least two process speeds. A secondary-transfer-bias applying unit applies a bias to a secondary transfer unit at a non-image-formation time. A secondary-transfer-output detecting unit detects an output ... | 09/09/2008 |
| 7418221 | Transfer unit used with image forming apparatus A transfer unit used with an image forming apparatus includes an upper housing having a transfer belt of an endless track structure to transfer an image from a photoconductive unit of a main body of the image forming apparatus, and a plurality of rollers to support ... | 08/26/2008 |
| 7406283 | Desktop color image forming apparatus and method of making the same The present invention relates to an electrophotographic color image forming apparatus using a tandem-drum development, an indirect image-transfer method, and a vertical sheet supply path. An intermediate image-transfer member is angled relative to a horizontal line ... | 07/29/2008 |
| 7406282 | Image forming apparatus Disclosed is an image forming apparatus, which comprises an intermediate transfer belt (15), and a plurality of image-forming units (11) to (14) disposed along the intermediate transfer belt (15) and adapted to form toner images of differ... | 07/29/2008 |
| 7398042 | Belt clutch apparatus and image forming apparatus having the same A belt clutch apparatus for an image forming apparatus is is provided and includes a belt that rotates in contact with at least one unit, at least one movable roller for supporting the rotation of the belt, and a variable unit for changing position of the movable ro... | 07/08/2008 |
| 7395004 | Image forming apparatus featuring first and second toner removing sequence selected on the basis of a toner amount per unit area An image forming apparatus includes an executing portion, which executes a first removing sequence and a second removing sequence when removing a toner image borne on an intermediate transfer member. The first removing sequence passes the toner image through a prima... | 07/01/2008 |
| 7395020 | Imaging methods, imaging devices, transfer assemblies, and transfer member lubrication assemblies Imaging methods, imaging devices, transfer assemblies, and transfer member lubrication assemblies are described according to some aspects. According to one aspect, an imaging method includes forming a latent image using a first imaging member, using a marking agent,... | 07/01/2008 |
| 7395012 | Position setting method of photosensitive body and image forming apparatus A drum/belt drive starting procedure simultaneous starts the rotation of photosensitive drums and the conveyance of a belt. A drum/belt driving time calculating procedure sets a rotational drive stop time of each photosensitive drum and a conveyance drive stop time ... | 07/01/2008 |
| 7392003 | Belt unit and image forming apparatus that incorporates the belt unit A belt unit includes an endless belt and a cleaning member. The endless belt has a value of ten-point height of roughness Rz not larger than 0.2 μm, a value of shininess not less than 100, a creep not larger than 0.03%. The cleaning member is in contact with said e... | 06/24/2008 |
| 7389068 | Image forming apparatus with adjustment of belt member The image forming apparatus includes a belt member having a convex portion, effecting a circular movement, a first support member and a second support member for supporting the belt member, and a drive receiving unit for receiving force from circular movement of the... | 06/17/2008 |
| 7379690 | Image forming apparatus with adjustment of belt member The image forming apparatus includes a belt member having a convex portion, effecting a circular movement, a first support member and a second support member for supporting the belt member, and a drive receiving unit for receiving force from circular movement of the... | 05/27/2008 |
| 7373100 | Color image forming apparatus having pre-transfer discharge electrode A color image forming apparatus may have an image forming unit composed of a plurality of groups which have image carriers and image forming devices. ... | 05/13/2008 |
| 7362993 | Transfer device and image forming apparatus In a transfer device, a driving roller that rotationally drives a belt member satisfies a condition “(R2−R1)π×(s−1)×p/(R1×π×2)≦0.15 millimeter”, where R1 is a diameter of the driving roller under an environ... | 04/22/2008 |
| 7359663 | Image forming apparatus An image forming apparatus has a plurality of developing units for developing toner images of different colors, an intermediate transfer belt for transferring the toner images of the respective colors onto a surface of the belt or onto a recording sheet transported ... | 04/15/2008 |
| 7354691 | Imaging apparatus and improved toner therefor The invention relates to a liquid toner and imaging apparatus provided with an imaging surface having a liquid toner image formed thereon on fibrous toner particles and carrier liquid. The fibrous toner particles can be composed of a polymer portion and pigment disp... | 04/08/2008 |
| 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 |
| 7352985 | Image forming apparatus capable of suppressing deterioration of image when toner image on image bearing member is transferred to intermediate transfer member An image forming apparatus having: an image bearing member, which bears an electrostatic image thereon; a developing device, which develops the electrostatic image with toner to form a toner image, and an intermediate transfer member, which is in contact with the im... | 04/01/2008 |
| 7351512 | Overcoat for a polymer sleeve member for a blanket cylinder and a method for making the overcoat This invention relates to a polymer sleeve including a polymer sidewall and a ceramer outer coating and a method for producing the polymer sleeve for use with a blanket cylinder in an electrophotographic process. ... | 04/01/2008 |
| 7343119 | Belt drive control method, belt-drive control device, and image forming apparatus A rotational speed of a first roller and a time required for a second roller to make one rotation are measured. A controller calculates an amplitude and a phase of fluctuation in a rotational speed in one rotation period of the first roller while the first roller is... | 03/11/2008 |
| 7343128 | Image transfer member, image transfer device and image forming system An image transfer member, an image transfer device and an image forming system employing the image transfer member and device are disclosed. The image transfer member comprises a base layer, and a surface layer formed from a semi-conductive material above the base l... | 03/11/2008 |
| 7334458 | Direct method to determine particulate concentration in a dispersion Particulate material concentration of a dispersion is detected by providing a known amount of dispersion including particulate material, a solvent, and other optional components; centrifuging the dispersion and separating the particulate material from the dispersion... | 02/26/2008 |
| 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 |
| 7317890 | Apparatus for and method of printing a mono-color image using a single-pass color printer Apparatus and method are provided for printing a mono-color image using a single-pass color printer. According to the apparatus and method, dummy toner images are developed onto the photosensitive substances that do not perform an image forming operation so as to co... | 01/08/2008 |
| 7313343 | Image forming apparatus An electrostatic latent image is formed on a rotary image carrier. A developer is provided with at least one developing roller which is separatably abutted on the image carrier at a developing position to supply toner onto the image carrier to make the latent image ... | 12/25/2007 |
| 7302216 | Print blankets for use in electro-statographic printing and methods of using same A print blanket for use in electrostatic printing, comprising a body portion; and, an image transfer layer comprising a non-silicone fluoroelastomer. ... | 11/27/2007 |
| 7298999 | Image forming apparatus providing an ideal contact pressure of a primary transfer unit An image forming apparatus includes an image carrier that carries a toner image formed of toner, a transfer belt, a primary transfer unit that transfers the toner image from the image carrier to the transfer belt, and a secondary transfer unit that transfers the ton... | 11/20/2007 |
| 7295795 | Image forming apparatus and an impurity collecting device associated with registration rollers An image forming method begins with a first image transfer step for thermally transferring a first toner image from a first image carrier to a second image carrier contacting it. Subsequently, in a second image transfer step, the first toner image carried on the sec... | 11/13/2007 |
| 7292813 | Intermediate transfer belt, production method for the same, and image forming device provided with the same The present invention provides an intermediate transfer belt, wherein: the intermediate transfer belt is made from a resin material comprising a carbon black in a dispersed state; an absolute value of a difference between a common logarithm value of surface resistiv... | 11/06/2007 |
| 7289757 | Shared high voltage power supply for image transfer in an image forming device An image transfer assembly in a color printer or the like includes four image forming units. Each of the image forming units includes a photoconductive unit and a transfer device. A voltage is applied to the transfer device thereby creating a voltage potential betwe... | 10/30/2007 |
