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| Number | Title | Issue Date |
| 8027599 | Image forming apparatus An image forming apparatus includes an overheat prevention device to control a heater based on a fusing temperature detected by a temperature sensor within a predetermined range when a controller generates an abnormal heater control signal. ... | 09/27/2011 |
| 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 |
| 8014706 | Developing device, process cartridge, and image forming apparatus A developing device is disclosed. The developing device includes a developing roller disposed to face an image carrier and a toner carrier capturing roller disposed to face the developing roller for capturing toner carriers adhered onto the image carrier. The develo... | 09/06/2011 |
| 8010026 | Image forming system and method of detecting color misregistration An image forming system, in which a method of detecting a misregistration of a color image is performed, includes multiple image carriers, an optical writing unit, a transfer member extended by a drive roller and at least one driven roller, a rotation detector, a ro... | 08/30/2011 |
| 8005380 | Image forming apparatus An image forming apparatus includes a photosensitive member; a charging device; an exposure device device; a developing device; a transfer charger; a pre-exposure device; a current detector; a calculating device; and a correcting device. The calculating device deter... | 08/23/2011 |
| 8000621 | Image forming apparatus An image forming apparatus is configured to reduce follow-up delay in impedance fluctuation and to reduce an accuracy fall in power supply control. The image forming apparatus includes a transfer element, a supply element, a detection element, a modification element... | 08/16/2011 |
| 7991333 | Image forming apparatus and developing agent cartridge An image forming apparatus is described. The image forming apparatus may include an image carrier on which an electrostatic latent image is formed; a developing agent carrier that transforms the electrostatic latent image into a visible image by supplying a developi... | 08/02/2011 |
| 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 |
| 7991329 | Developer apparatus, image forming apparatus and developing method A developer apparatus, includes: a container which houses toner; a toner carrier roller which is provided, on a surface thereof, with a plurality of convex sections which are regularly arranged and a concave section which surrounds the convex sections, is shaped app... | 08/02/2011 |
| 7974562 | Fixing device and image forming apparatus An image forming apparatus includes a fixing device in which a width of a slide member is larger than a width of a pressurizing belt while both ends of the slide member are positioned outside of both ends of the pressurizing belt. The above-structured slide member m... | 07/05/2011 |
| 7965958 | Developing device, process cartridge and image forming apparatus A developing device that supplies developer to an image carrier. In a developing device having a developer carrier that is driven in rotation by drive force applied to a gear provided on the shaft section thereof, the developer carrier being pressed in the direction... | 06/21/2011 |
| 7965959 | Transfer apparatus and image forming device A transfer apparatus includes a transfer belt that conveys a toner image which has been transferred to an outer periphery face thereof; a transfer member that, at a contact portion, causes the toner image to be transferred from the outer periphery face of the transf... | 06/21/2011 |
| 7965971 | Blades, printing apparatuses, replaceable cartridges and methods of treating substances on surfaces Blades, printing apparatuses, replaceable cartridges and methods of treating substances on surfaces are disclosed. An embodiment of a blade for treating a substance on a surface of a component includes a body having a free end portion with a surface, and which is co... | 06/21/2011 |
| 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 |
| 7962060 | Cleaning and sealing apparatus of an image forming apparatus and developing unit thereof An image forming apparatus capable of cleaning contact members by using developer leakage preventing components includes a photosensitive member, a developer feeding member which feeds a developer to supply the developer to the photosensitive member, contact members... | 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 |
| 7957682 | Image forming unit and image forming apparatus An image forming unit includes an image bearing body, a rotating body disposed in contact with or disposed facing the image bearing body, a supporting member that supports a rotation shaft of the rotating body, an insertion hole provided on the supporting member, a ... | 06/07/2011 |
| 7953330 | Cartridges, such as developer cartridges, for an image forming apparatus, such as a printer A cartridge includes an engagement gear which includes a first engaging portion and is configured to selectively rotate. The cartridge also includes a rotational body which includes a second engaging portion, and a center axis of the rotational body is aligned with ... | 05/31/2011 |
| 7945198 | Fixing device and image forming apparatus comprising same In a fixing device in which fixing defects can be suppressed and which can be reduced in size, and an image forming apparatus comprising the fixing device, setting is performed such that the surface temperature of an outer peripheral belt surface serving as a non-he... | 05/17/2011 |
| 7937027 | Developing device and image forming apparatus A developing device includes a rotator that rotates around a shaft, and a bearing element that supports the shaft to a housing. A sliding element formed of a composite material that contains self-lubricating thermoplastic olefin resin as a base material is used as t... | 05/03/2011 |
| 7933531 | Image formation device An electrophotographic image formation device comprises an image transfer unit (including an image transfer member) attached to a main body in a detachable manner, a density detecting unit including a detector unit and thereby detecting density of a developing agent... | 04/26/2011 |
| 7925199 | Image forming apparatus An image forming apparatus includes a removable body that is removably set in a main body of the image forming apparatus, and an engaging mechanism that causes the removable body and the main body to engage with each other when the removable body is lifted by a user... | 04/12/2011 |
| 7925182 | Image forming apparatus A communication unit has a first conveyance part connected to a toner cartridge and provided with a feed port for a toner from the toner cartridge, and a second conveyance part connected to a developing device and provided with a replenishment port for a toner to th... | 04/12/2011 |
| 7917067 | Magnetic field generating member and manufacturing method thereof, magnetic particle support body, image development device, process cartridge and image forming apparatus A magnetic field generating member with high stiffness and small size, an image development device, a process cartridge and an image forming apparatus including the magnetic field generating member as well as a manufacturing method of the magnetic field generating m... | 03/29/2011 |
| 7912403 | Image forming apparatus with frame and pressing member An image forming apparatus includes a main frame having a first driving force transmitting part, and a first electrode to supply power, a developing cartridge mounted to the main frame, and having a second driving force transmitting part engaged to the first driving... | 03/22/2011 |
| 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 |
| 7907884 | Cleaning member and image forming apparatus A cleaning member is elastically forced on a bearing surface, for cleaning off particles from the bearing surface by a movement of the bearing surface relative to the cleaning member. In particular, the cleaning member has first and second portions capable of formin... | 03/15/2011 |
| 7904013 | Image-forming apparatus An image-forming apparatus that is provided with an intermediate transfer member that has a hard releasing layer formed on the surface thereof, supports a toner image primary-transferred onto the hard releasing layer from a latent-image supporting member, and second... | 03/08/2011 |
| 7899369 | Powder conveying device and image forming apparatus having the same A powder conveying device and an image forming apparatus having the same are disclosed. The powder conveying device to convey powder such as toner, includes a conveying plate to carry powder thereon, a vibration generating device to vibrate the conveying plate, and ... | 03/01/2011 |
| 7885574 | Developer unit and image forming device A developing unit and image formation device in which a developer carrier is reliably pressed towards and separated from an image carrier is described. A separation and pressing mechanism is provided for separating and pressing the developer carriers of developing c... | 02/08/2011 |
| 7885566 | Toner consumption-calculating apparatus, image forming apparatus, and toner consumption calculating method A toner consumption-calculating apparatus includes a printed portion area-detecting unit that detects an area of a printed portion of image data of a latent image that is formed on a latent image-bearing member; a latent image portion area-detecting unit that detect... | 02/08/2011 |
| 7885590 | Image forming apparatus and fixing device An image forming apparatus includes an image carrier to carry a toner image and a fixing device to fix the toner image transferred from the image carrier onto a recording medium by applying at least heat to at least one of the toner image and the recording medium. S... | 02/08/2011 |
| 7881632 | Image forming apparatus for controlling fixing operation with auxiliary power source In an embodiment of the invention, it is detected whether an auxiliary power source device is mounted in an apparatus main body or not. When the auxiliary power source device is mounted in the image forming apparatus, after a specified time has passed in a printable... | 02/01/2011 |
| 7881627 | Image forming apparatus An image forming apparatus includes image bearing member having a movable surface; charging means for charging the surface of the image bearing member; image exposure means for exposing the surface of the image bearing member charged by the charging means to light i... | 02/01/2011 |
| 7877039 | Image forming apparatus and developing agent cartridge An image forming apparatus may include a casing, and a plurality of image carriers parallelly arranged along one direction in the casing and formed with an electrostatic latent image. The apparatus can further include a plurality of developing agent carriers opposed... | 01/25/2011 |
| 7877032 | Image forming apparatus An image forming apparatus includes an image bearing member, a toner image forming member, an intermediary transfer member for forming a primary transfer portion, and a primary transfer member supplied with a transfer voltage. The apparatus also has a voltage source... | 01/25/2011 |
| 7873294 | Image forming apparatus with increased noise resistance An image forming apparatus includes a placement tray, an image forming unit, a drive unit, a control board, a power supply substrate, a high-voltage board, and low-voltage power supply harnesses. The placement tray holds a recording sheet thereon. The image forming ... | 01/18/2011 |
| 7873305 | Developing unit and image forming apparatus having the same A developing unit of an image forming apparatus includes a developer cartridge detachably mounted on the developing unit, a developing case in which a developing member and a first supply member are provided, a developer supply passage to supply a developer stored i... | 01/18/2011 |
| 7865092 | Waste toner collecting device and image forming apparatus incorporating the same A waste toner collecting device includes: a tubular member provided with a toner inlet and a toner outlet; a roller that is provided upstream of the toner outlet in a toner transport direction inside the tubular member, that has a substantially horizontal rotation a... | 01/04/2011 |
| 7865097 | Image forming apparatus and control method The present invention provides an image forming apparatus comprising an image forming unit configured to form an image on an image carrier, a transfer unit configured to transfer the image formed on the image carrier onto a transfer medium, a voltage applying unit c... | 01/04/2011 |
