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| 20110064429 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - According to one embodiment, an image forming apparatus includes a developing unit configured to store a developer includes a toner and a carrier and to form a developer image, a toner attachment amount detection portion configured to detect an attachment amount of a toner formed on a photoconductor or an intermediate transfer body, a developing bias voltage change portion configured to change a plurality of developing bias voltages including a developing contrast voltage in a manner that the detected attachment amount of the toner becomes a value in a predetermined range, a carrier supply time correction portion configured to correct a carrier supply time in response to the value of the changed developing contrast voltage, and a carrier supply portion configured to supply a carrier in a corrected carrier supply time at a predetermined timing. | 03-17-2011 |
| 20110064435 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - According to one embodiment, an image forming apparatus includes a supply device that supplies developer includes toner and carrier, a developing device configured to accommodate the developer includes toner and carrier in a manner that the developer is stirred and transported therein, and configured to discharge the developer in an overflow manner through a discharge opening, a screw that stirs and transports the developer in the developing device, and a control unit configured to change the rotation speed of the screw based on a predetermined index which varies in accordance with supply and consumption of the developer or an environmental condition when development is performed. | 03-17-2011 |
| 20110310169 | INKJET HEAD UNIT - According to one embodiment, a maintenance unit includes an inkjet head and a cap. The inkjet head includes plural nozzle arrays and discharges a different color of ink from each of the plural nozzle arrays. The cap includes plural protrusions at positions facing the plural nozzle arrays, includes a groove between the plural protrusions, and tightly closes the plural nozzle arrays with the plural protrusions. | 12-22-2011 |
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| 20090129792 | IMAGE FORMING APPARATUS - According to an embodiment of the invention, degradation of carrier in a case is detected from the number of rotations of a developing roller. A predetermined quantity of carrier is replenished every time the developing roller reaches a predetermined number of rotations. An excess developer caused by an increase in bulk through carrier replenishment is discharged from a developer discharge port. The degraded old carrier in the case is replaced by new carrier little by little. | 05-21-2009 |
| 20090148192 | DEVELOPING DEVICE - In an embodiment, a reducing plate that dams up a part of a developer scraped up by a blade is provided. The reducing plate suppresses swell of the developer held up by a discharge mixer from fluctuating according to the rotation of the blade. Fluctuation in an excess developer discharged from a discharge port is suppressed and replace a deteriorated carrier in a development container with a new carrier little by little. | 06-11-2009 |
| 20090148193 | DEVELOPING DEVICE - In an embodiment, a contact pivoting plate, which comes into contact with a developer swelled by a discharge mixer, is provided in a case. The contact pivoting plate is pivoted according to a detection result of a temperature and humidity sensor to change the magnitude of resistance by the contact pivoting plate with respect to a flow of the developer. The height of the swell of the developer is suppressed from fluctuating according to an environmental change. The fluctuation in an amount of an excess developer discharged from a discharge port is suppressed to replace a deteriorated carrier in a development container with a new carrier little by little. | 06-11-2009 |
| 20100124442 | DEVELOPING DEVICE, DEVELOPING METHOD, AND IMAGE FORMING APPARATUS - A developing device includes: a container configured to store a developer and have an agitating passage for supplying the developer to a developing roller; a rotatable agitating member configured to carry the developer along the agitating passage while agitating the developer; a discharge port configured to be provided a container wall surface on a side on which the developer is scraped down in the agitating passage and discharge an excess developer involved in the supply of the developer; and a heaping member configured to heap the developer near the discharge port and discharge the developer from the discharge port. | 05-20-2010 |
| 20110020038 | DEVELOPING DEVICE - In an embodiment, a reducing plate that dams up a part of a developer scraped up by a blade is provided. The reducing plate suppresses swell of the developer held up by a discharge mixer from fluctuating according to the rotation of the blade. Fluctuation in an excess developer discharged from a discharge port is suppressed and replace a deteriorated carrier in a development container with a new carrier little by little. | 01-27-2011 |
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| 20090257783 | IMAGE FORMING APPARATUS AND DEVELOPING DEVICE - An image forming apparatus includes an image carrying member, an electrostatic latent image forming portion configured to form an electrostatic latent image on the image carrying member, and a developing device configured to develop the electrostatic latent image to form a developer image and the developing device is comprised a developer case to store a developer comprising toner and a carrier, a discharge spout provided on a wall surface in the developer case to overflow and discharge the developer increased excessively, a divider member configured to divide an inside of the developer case into a plurality of spaces, and a passing hole which is formed in the dividing member opposite to the discharge spout and is formed so as to permit the developer to pass through. | 10-15-2009 |
| 20090257784 | IMAGE FORMING APPARATUS, PROCESS CARTRIDGE AND DEVELOPING DEVICE - An image forming apparatus includes a charger to charge an image carrying member, an optical device to irradiate a light onto the image carrying member to form an electrostatic latent image, a developing device to develop the electrostatic latent image on the image carrying member to form a developed image and a transfer device to transfer the developed image on a sheet. The developing device includes a developer container to store a developer including toner and a carrier, a developer supply device to supply the developer to the developer container, a driver device to drive the developer supply device, a developer collection device installed in the developer container to interlock with the driver device and collect a surplus developer left over due to supply of the developer from the developer supply device to the developer container, and a collected developer container to contain the developer collected by the developer collection device. | 10-15-2009 |
| 20100008701 | IMAGE FORMING APPARATUS, DEVELOPING DEVICE AND DEVELOPER DISCHARGE MECHANISM - In order to provide an image forming apparatus capable of maintaining the image quality by making smooth flowability of a surplus developer, which is discharged according to supply of a new developer (toner and carrier), toward a collection box, there are provided a stirring screw that electrify toner by stirring the toner together with a carrier; a casing that supports the stirring screw and stores a developer in which the toner and the carrier are mixed; a inlet used to supply the developer to the casing; a guide that guides the surplus developer discharged from the casing downward; and a reciprocating member that moves on a flow surface of the guide along which the surplus developer flows. | 01-14-2010 |
| 20100254729 | DEVELOPING UNIT AND DEVELOPER STIRRING AND TRANSPORTING METHOD - There are provided a developing unit and a developer stirring and transporting method in which the amount of developer in the developing unit can always be kept at a specified amount without being influenced by a use environment. A developing unit | 10-07-2010 |
| 20100278563 | DEVELOPING UNIT AND DEVELOPER STIRRING AND TRANSPORTING METHOD - A developing unit and a developer stirring and transporting method are provided that enable smooth discharge of a developer in the developing unit without being affected by the inclination of the developing unit. A developing unit | 11-04-2010 |
| 20100320678 | PAPER SHEET IDENTIFYING/COUNTING APPARATUS AND PAPER SHEET IDENTIFYING/COUNTING METHOD - A bank note identifying/counting apparatus | 12-23-2010 |
| 20110013917 | DEVELOPING DEVICE AND METHOD FOR DETECTING DETERIORATION OF DEVELOPER - According to one embodiment, a developing device includes a developer container to contain developer having toner and carrier, a toner replenishing unit to replenish the toner to the developer container, a carrier replenishing unit to replenish the carrier to the developer container, a discharge portion to discharge the developer from the developer container, a developer feeder to support magnetically the developer in the developer container and to feed the toner in the developer to a photoconductor on which an electrostatic latent image is formed, an electric conductor, provided separately from the photoconductor, to which the toner out of the developer supported by the developer feeder adheres, a detecting unit to detect a density of the toner adhered to on the electric conductor, and a controller to judge a deterioration status of the developer based on a detection result of the detecting unit and to replenish the toner and the carrier from the toner replenishing unit and the carrier replenishing unit to the developer container. | 01-20-2011 |
| 20110279495 | INK JET RECORDING APPARATUS - According to one embodiment, an ink jet recording apparatus includes an ink jet head, a first tank arranged above the ink jet head and configured to store ink to be supplied to the ink jet head, a first tank valve that opens and closes in order to switch the inside of the first tank to be opened to or shut off from the atmosphere, a second tank arranged below the ink jet head and configured to store the ink collected from the ink jet head, a second tank valve that opens and closes in order to switch the inside of the second tank to be opened to or shut off from the atmosphere, a pipe configured to connect the ink jet head, the first tank, and the second tank and form a part of a circulation shape, a pump provided in the pipe between the first tank and the second tank, a passive pressure adjusting device connected to the second tank, arranged below the first tank, and configured to generate negative pressure using the gravity, and a third tank valve provided between the second tank and the passive pressure adjusting device. | 11-17-2011 |
| 20120038727 | INKJET PRINTER AND INK EJECTING METHOD - According to one embodiment, the inkjet printer includes an endless device which has a circumferential surface for adsorbing a sheet, an inkjet head for ejecting ink, a tray, and a controller. The tray is moved from a home position toward the inkjet head along a circumferential surface of the endless device, using the tray moving mechanism. The tray is inserted to a clearance between the circumferential surface of the endless device and the inkjet head. The inkjet head ejects ink toward the tray if the tray moves to a position facing the inkjet head. | 02-16-2012 |
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| 20100285348 | MULTILAYER POROUS MEMBRANE AND PRODUCTION METHOD THEREOF - The present invention provides a multilayer porous membrane having both high safety and practicality, especially as a separator for a non-aqueous electrolyte battery and comprising a porous layer containing an inorganic filler and a resin binder on at least one surface of a polyolefin resin porous membrane, wherein the porous layer simultaneously satisfies the following (A) to (C):
| 11-11-2010 |
| 20110013945 | DEVELOPING DEVICE AND DEVELOPING METHOD FOR IMAGE FORMING APPARATUS - According to an embodiment, a developing device, comprising: a developing unit configured to store an initial two-component developer including an initial toner containing silica externally added and a carrier and to form a toner image on an image bearing member with the two-component developer; a discharging section configured to discharge a part of the initial developer from the developing unit; and a developer supplying unit configured to supply a supply developer including a supply toner containing silica externally added and the carrier to the developing unit, the amount of silica added to the supply toner being smaller than the amount of silica added to the initial toner. | 01-20-2011 |
| 20120029658 | OPERATION CONTROLLING SYSTEM AND OPERATION CONTROLLING DEVICE AND METHOD - An operation controlling system is provided with an operation controlling device that is installed removably in a facility equipment, and an operating terminal for sending an instruction signal to the operation controlling device. The operation controlling device not only has communicating means for receiving the instruction signal sent from the operating terminal, but also operation controlling means for turning ON/OFF, in accordance with the instruction signal, the facility equipment that is connected locally, and/or output controlling means for controlling, in accordance with the instruction signal, an output value of the facility equipment that is connected locally. | 02-02-2012 |
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| 20080273888 | DEVELOPMENT APPARATUS, IMAGE FORMING APPARATUS, AND DEVELOPER TRANSFER METHOD - There is provided a technique in which in a development apparatus to perform replacement of developer, the amount of developer can be stably kept irrespective of a change in a physical property of the developer. There are included a development apparatus that circulates and conveys a developer supplied at a specified timing in a specified conveying chamber and causes the developer to overflow through a discharge port provided in the conveying chamber, a fluidity judgment unit to judge a degree of fluidity of the developer in the conveying chamber, and a speed control unit to control a conveying speed of the developer in a specified range near the discharge port in the conveying chamber to become low relative to an average value of a conveying speed of the developer in a conveying passage except the specified range when the fluidity judged by the fluidity judgment unit is low. | 11-06-2008 |
| 20090067849 | Intelligent pluggable optical transceiver - The present invention is to provide an intelligent pluggable transceiver improving an EMI tolerance with a simple mechanism. The optical transceiver of the invention comprises upper and lower housings ( | 03-12-2009 |
| 20090232525 | IMAGE FORMING APPARATUS, METHOD OF DETERMINING DETERIORATION DEGREE OF DEVELOPMENT AGENT, AND PROGRAM OF DETERMINING DETERIORATION DEGREE OF DEVELOPMENT AGENT - The present invention provides a technique to accurately grasp a deterioration state of a development agent in a development device, in a development system which supplies a new development agent consisting of a toner and a carrier and discharges an deteriorated development agent to maintain a performance of a development agent in a development device. | 09-17-2009 |
| 20100054765 | DEVELOPING DEVICE - A developing device includes a developer tank that contains a developer including a toner and a carrier, a developing agent supplier that develops a latent image by using the toner contained in the developer tank, a discharge port that is provided in a side surface of the developer tank and discharges the developer, and a discharge assisting member that protrudes from a downstream side of the discharge port in a direction of flow of the developer in the developer tank and in a direction crossing the direction of the flow of the developer. | 03-04-2010 |
| 20100054818 | DEVELOPING APPARATUS - A developing apparatus includes a tank configured to contain a developing agent including a toner and a carrier, the tank having a discharge port configured to discharge the developing agent overflowing from the tank, a supplier configured to develop a latent image by using the toner contained in the tank, a replenisher configured to contain the developing agent and to replenish the developing agent into the tank, and a controller configured to estimate an amount of the developing agent in the tank in according with the amount of the supplied developing agent and the amount of the replenished developing agent and to execute a forced discharge for forcibly discharging the developing agent contained in the tank from the discharge port based on the estimated amount of developing agent. | 03-04-2010 |
| 20100067931 | DEVELOPING DEVICE - A developing device includes a developer tank configured to contain a developer including a toner and a carrier, the developer tank having a discharge port which is provided in a lateral side surface of the developer tank and configured to discharge the developer, a developing agent supplier configured to develop a latent image by using the toner contained in the developer tank, and a plate-shaped member configured to be formed in a direction of height from a lower end of the discharge port and partially cover the discharge port to regulate the discharge of the developer. | 03-18-2010 |
