Patent application number | Description | Published |
20080212985 | Image Formation Apparatus and Image Formation System - The invention provides an image formation apparatus that includes: a containing section that contains a developer, the containing section having an opening; a developer carrier that is exposed at the opening and carries a developer, the developer carrier being capable of rotating, the developer carrier rotating on the basis of either a first speed mode or a second speed mode so as to develop a latent image that is formed on an image carrier, the first speed mode having a faster speed of rotation of the developer carrier, the second speed mode having a slower speed of rotation of the developer carrier; a replenishing member that replenishes a developer into the containing section; a detecting member that detects whether the height of a developer that is contained in the containing section is at a replenishment start level at which replenishment performed by the replenishing member should be started or not and further detects whether the height of a developer that is contained in the containing section is at a replenishment end level at which replenishment performed by the replenishing member should be ended or not; and a controlling section that controls the replenishment of a developer that is performed by the replenishing member, the controlling section commanding the replenishing member to replenish a developer until the detecting member detects that the height of the developer that is contained in the containing section is at the replenishment end level if the detecting member detects that the height of the developer that is contained in the containing section is at the replenishment start level when the developer carrier that rotates on the basis of the first speed mode develops the latent image, whereas the controlling section commanding the replenishing member to replenish a developer by a predetermined amount if the detecting member detects that the height of the developer that is contained in the containing section is at the replenishment start level when the developer carrier that rotates on the basis of the second speed mode develops the latent image. | 09-04-2008 |
20090245823 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device includes a housing that forms a development chamber therein and a developer containing portion that forms a developer containing chamber therein and contains a one-component developer. A first transport path supplies a developer from the developer containing chamber to an upper side of the development chamber. A second transport path collects a developer from a lower side of the development chamber to the developer containing chamber. A developer carrier is disposed in the development chamber and carries a developer thereon. A developer supply member is disposed in the development chamber and supplies a developer to the developer carrier. A regulating member is in contact with the developer carrier and regulates a developer on a surface of the developer carrier. Stirring of the developer in the development chamber is performed by driving the first transport path and the second transport path to transport the developer. | 10-01-2009 |
20090245832 | DEVELOPMENT CARTRIDGE, DEVELOPMENT UNIT, AND IMAGE FORMING APPARATUS - A development cartridge includes: a developer carrier which carries toner; a toner supply member which supplies the toner to the developer carrier; a regulation member which regulates an amount of toner on the developer carrier; a development chamber which has the developer carrier and the toner supply member; a transport section which is connected to an upper portion and a lower portion of the development chamber to transport the toner from the lower portion of the development chamber to the upper portion of the development chamber; a transport member which is disposed inside the transport section and transports the toner while agitating the toner; an input member which inputs a print image; and a control member which controls a toner transport speed of the transport member in accordance with the print image. | 10-01-2009 |
20090245863 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS EQUIPPED WITH THE DEVELOPING DEVICE - A developing device includes: a replaceable toner cartridge; a development chamber; a first transport path which connects the toner cartridge to the development chamber; a first transport unit which transports toner from the toner cartridge to the development chamber through the first transport path; a second transport path which connects the development chamber to the toner cartridge; and a second transport unit which discharges the toner within the development chamber to the toner cartridge through the second transport path at the time of replacement of the toner cartridge. | 10-01-2009 |
20090245878 | DEVELOPMENT CARTRIDGE, DEVELOPMENT UNIT, AND IMAGE FORMING APPARATUS - A development cartridge includes a developer carrier which carries toner, a toner supply member supplying the toner to the developer carrier and a regulation member regulating an amount of toner on the developer carrier. A development chamber encloses the developer carrier and the toner supply member. A transport section is connected to upper and lower portions of the development chamber to transport the toner from the lower portion of the development chamber to the upper portion of the development chamber. A transport member is disposed inside the transport section and transports the toner while agitating the toner. An amount of toner passing per unit time from the development chamber to the transport section is larger than an amount of toner passing per unit time from the transport section to the development chamber. A toner transport speed of the transport member is controlled in accordance with a process speed. | 10-01-2009 |
20090245880 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device includes: a developer carrier that carries toner thereon; a toner supply member that supplies toner to the developer carrier; a development chamber having the developer carrier and the toner supply member; a replaceable toner cartridge that supplies toner to the development chamber and collects toner from the development chamber; and a contact member that is in contact with the toner supply member to form a nip portion. At the time of replacement to the toner cartridge that contains new toner therein, the new toner is supplied from the toner cartridge into the development chamber and is made to pass through a nip portion between the toner supply member and the contact member within the development chamber, and then nip-passed toner is collected from the development chamber into the toner cartridge. | 10-01-2009 |
20090245884 | DEVELOPING CARTRIDGE, DEVELOPING DEVICE, AND IMAGE FORMING APPARATUS - A developing cartridge includes: a developer carrier which carries toner; a toner supply member which supplies the toner to the developer carrier; a regulation member which regulates an amount of toner on the developer carrier; a developing chamber which has the developer carrier and the toner supply member; a transport section which is connected to an upper portion and a lower portion of the developing chamber and transports the toner from the lower portion of the developing chamber to the upper portion of the developing chamber; and a transport member which is disposed inside the transport section and transports the toner while agitating the toner. A capacity of the transport section is larger than a capacity of the developing chamber. | 10-01-2009 |
20090245885 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - A developing device includes a developing agent carrying body that carries toner, a toner supply member that supplies toner to the developing agent carrying body, a regulating member that regulates an amount of toner present on the developing agent carrying body, a developing chamber having the developing agent carrying body, the toner supply member and the regulating member, and a replaceable toner cartridge that supplies toner to the developing chamber and collects the toner from the developing chamber. When the toner cartridge is replaced with a toner cartridge storing new toner, the new toner is supplied to the developing chamber from the toner cartridge. The new toner and the toner remaining in the developing chamber are agitated to form agitated toner, and the agitated toner is collected in the toner cartridge from the developing chamber. | 10-01-2009 |
20110254893 | LIQUID EJECTING APPARATUS - The invention provides a liquid ejecting apparatus which can prevent a target having liquid ejected thereon from warping irrespective of the type of the target. An ink jet printer includes a recording head configured to eject ink from a nozzle formed on a nozzle-formed surface onto a recording sheet being transported from an upstream side to a downstream side, and a plurality of supporting belts arranged so as to oppose the nozzle-formed surface and each having a supporting portion extending along the direction of transport of the recording sheet. The respective supporting belts are arranged so as to be capable of moving along the width direction intersecting the direction of transport of the recording sheet. | 10-20-2011 |
20110267393 | LIQUID EJECTING APPARATUS - A printer includes a heating roller unit that heats recording paper at a position downstream of a recording head, which is provided at an upstream position, in the direction of the transportation of the recording paper. The recording head ejects ink to the recording paper that is transported from an upstream side to a downstream side. The heating roller unit is disposed along the direction of the width of the recording paper, which intersects with the transportation direction thereof. The heating roller unit is divided into a plurality of areas in the width direction. Heat applied by first areas of the plurality of areas to the recording paper is different from heat applied by second areas, which are adjacent to the first areas in the width direction, to the recording paper. | 11-03-2011 |
20120218348 | LIQUID EJECTION APPARATUS - A liquid ejection apparatus includes an apparatus main body, a liquid ejection head which is provided on the apparatus main body and ejects liquid onto a recording medium, a draw-out path which is provided on the apparatus main body, a waste liquid unit which is provided on the draw-out path in a detachable manner and reserves waste liquid wastefully ejected from the liquid ejection head, an opening from which a transportation path for transporting the recording medium is exposed, and an opening/closing unit which is provided to be capable of opening and closing the opening, and at least a part of which is located on the draw-out path and covers at least a part of the waste liquid unit in a state where the waste liquid unit is attached to the draw-out path and the opening is closed. | 08-30-2012 |
20130050378 | RECORDING APPARATUS - There is provided a recording apparatus including an apparatus main body including a first placement portion on which a recording medium is placed, a recording unit which performs recording on the recording medium, and a first transport path through which the recording medium is transported from the first placement portion to the recording unit, an extension unit including a second placement portion, which is detachably attached to the apparatus main body, on which the recording medium is placed, and a second transport path capable of communicating from the second placement portion to the first transport path of the apparatus main body, and a detachable member detachably provided in the apparatus main body and exposing at least a part of the second transport path when detached from the apparatus main body. | 02-28-2013 |
20140362133 | RECORDING APPARATUS - There is provided a recording apparatus including a recording head that can eject an ink onto a sheet, a transport unit that transports the sheet to the recording head, a housing that contains the recording head and the transport unit, a case that is arranged on an outer surface of the housing so that the bottom portion thereof is positioned higher than a bottom surface of the housing, and that serves as a holder which holds an ink container containing an ink, and a supply unit that supplies the ink from the ink container to the recording head. | 12-11-2014 |
20150061215 | MEDIUM TRANSPORT DEVICE AND RECORDING DEVICE - In a medium transport device, when a unit body is inserted into an installation unit and an opening and closing body is closed with respect to the device main body, the unit body is positioned in a position that configures a portion of a transport pathway as a result of the opening and closing body pressing first target pressing units that are provided in the unit body. | 03-05-2015 |
20150061216 | MEDIUM TRANSPORT DEVICE AND RECORDING DEVICE - A medium transport device includes a restricting unit that is provided in a device main body, and that is coupled with an attaching and detaching operation of a unit body, which configures a portion of a transport pathway, to the device main body. The restricting unit changes between a first state that allows the cover to attain a closed state with respect to the device main body and a second state that restricts the cover from attaining a closed state with respect to the device main body. | 03-05-2015 |