Patent application number | Description | Published |
20130082434 | POST-PROCESSING DEVICE - A post-processing device includes a cylindrical body and branching guides. The cylindrical body is rotatable. The cylindrical body and the branching guides convey paper to a processing unit that processes the paper and to an ejection tray. A paper reversing mechanism is composed mainly of the cylindrical body and the branching guide, in which a first face of the paper is directed to a peripheral surface of the cylindrical body and the paper is wound therearound by rotating the cylindrical body. The paper reversing mechanism then rotates the cylindrical body in a reverse direction and switches the posture of the branching guide, to thereby separate the paper from the peripheral surface and eject. | 04-04-2013 |
20130084107 | DEVELOPER CASE THAT SUPPRESSES CLOGGING DUE TO DEVELOPER, DEVELOPER REPLENISHMENT UNIT HAVING THE SAME, AND IMAGE FORMING APPARATUS HAVING THE SAME - A developer case includes a main body, a first transportation portion, a first transportation member, a supply member, a discharge port, and a second transportation portion. The main body contains developer. The first transportation portion has a first region that receives developer from the main body and a second region that extends from the first region in a first direction. The first transportation member transports developer in the first direction. The supply member supplies developer to the first region. Developer is discharged through the discharge port. The second transportation portion has an inlet port communicating with the second region. Developer that has not been discharged through the discharge port is supplied to the second transportation portion through the inlet port. The second transportation portion transports developer in a second direction. | 04-04-2013 |
20130093827 | OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME - An optical scanning device includes an air-tight casing, an air-tight container and a tube-like member. The air-tight casing is configured to accommodate at least a polygon mirror and a driving unit that rotates the polygon mirror. The air-tight container is disposed at a distance from the air-tight casing and outside an outer wall surface vertically above the air-tight casing. The tube-like member is configured to communicatively connect an inside of the air-tight casing and an inside of the air-tight container. | 04-18-2013 |
20130095423 | TONER FOR DEVELOPING ELECTROSTATIC IMAGES - A toner for developing electrostatic images contains a binder resin, a colorant, a release agent, and a charge control agent. The release agent contains a wax having a polar group. The toner for developing electrostatic images has tan δ of 1 to 2 at a temperature of 80° C. to 145° C. as measured with a viscoelasticity measuring apparatus at a frequency of 10 Hz and a shear stress of 500 Pa, and has a breaking point of 180° C. or less in a temperature-tan δ curve. | 04-18-2013 |
20130099778 | DIFFERENTIAL TRANSFORMER TYPE MAGNETIC SENSOR - A differential transformer type magnetic sensor is disclosed. The drive coil includes a planar coil arranged on a substrate. The first differential coil includes a planar coil arranged on the substrate. The second differential coil includes a planar coil arranged on the substrate and connected to the first differential coil. The first selector unit is used for a zero adjustment of a differential transformer. The first differential coil includes a plurality of first branch lines formed by branching a wire material forming the outermost turn of the first differential coil. The plurality of first branch lines are so arranged that the amount of magnetic fluxes passing along the plurality of respective first branch lines differ when the drive coil is driven. The first selector unit is capable of selecting any one of the plurality of first branch lines and arranged on the substrate. | 04-25-2013 |
20130100226 | IMAGE-FORMING APPARATUS AND METHOD FOR CONTROLLING IMAGE-FORMING APPARATUS - This image-forming apparatus includes a plurality of photosensitive drums, a plurality of laser scanning units, and a motor control unit. A motor control unit detects the time difference between a change point of the detection signal of a reference color and the change points of colors targeted for phase correction, and, when the absolute value of the time difference is greater than a threshold, carries out a rough adjustment process for reducing the time difference by a drive signal with which a base period has been changed by a first period change amount and thereafter carries out a fine adjustment process for reducing the time difference by a drive signal with which the base period has been changed by a second period change amount smaller than the first period change amount. | 04-25-2013 |
20130100476 | IMAGE READING DEVICE AND IMAGE FORMING APPARATUS - The image reading device includes a light emitting portion, stick-like light guiding member, holding member and case member. An end portion the light guiding member is disposed to face the light emitting portion. The holding member holds the light emitting portion and the light guiding member. The holding member has first and second positioned portions. The first and second positioned portions are formed at one end part and another end part of the holding member in a main scanning direction, respectively. The holding member is attached to the case member. The case member has first and second positioning portions. The first and second positioning portions are formed integrally with the case member. The first and second positioning portions are configured to restrict the inserted first and second positioned portions from moving in a direction transverse to the main scanning direction, respectively. | 04-25-2013 |
20130101318 | DEVELOPER STORAGE CONTAINER AND IMAGE FORMING APPARATUS WITH THE SAME - A developer storage container includes a container main body, a tubular portion projecting from the container main body and including a developer discharge opening, and a rotary member extending from the container main body to the tubular portion and having a function of conveying the developer in the container main body. The rotary member includes a first section located in the container main body and a second section located in the tubular portion. A first conveying member for conveying the developer from the tubular portion side toward the container main body side, a second conveying member for conveying the developer in an opposite direction, and a flexible member are mounted on the rotary shaft. The flexible member includes a fixed end portion fixed onto the circumferential surface of the rotary shaft and a free end portion arranged at a side radially outward of the second conveying member. | 04-25-2013 |
20130101933 | ELECTROSTATIC LATENT IMAGE-DEVELOPING TONER AND METHOD FOR FORMING IMAGE - An image is formed with an electrostatic latent image-developing toner that includes toner base particles and titanium oxide serving as an external additive. The toner base particles containing a binder resin, a colorant, and a charge control agent. The titanium oxide is attached to surfaces of the toner base particles and containing titanium oxide A and titanium oxide B. Each of the titanium oxide A and the titanium oxide B has a predetermined particle diameter and a predetermined volume resistivity. The liberation rate of each of the titanium oxide A and the titanium oxide B in the toner is within a predetermined range. | 04-25-2013 |
20130114097 | IMAGE FORMING APPARATUS WITH DOCUMENT CONVEYING UNIT - A control unit for controlling a document conveying operation stops the conveyance of a document by a document conveying unit if document(s) is/are placed on a placing portion, the document is being conveyed and an upper structure is not in a closing posture. Further, the control unit stops the conveyance of the document when the trailing end of the document being conveyed has not passed a document reading position and, on the other hand, causes the document to be discharged to a document discharging portion without stopping the conveyance of the document when the trailing end has passed the document reading position if no document is placed on the placing portion, the document is being conveyed and the upper structure is not in the closing posture. | 05-09-2013 |
20130119602 | DOCUMENT CONVEYING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A document conveying device of the present disclosure includes a feeding unit, a stopper, and a restriction surface. The feeding unit is swingably supported on a first swinging fulcrum and is disposed selectively at a paper feeding position or at a retracted position. The stopper is swingably supported on a second swinging fulcrum, and has a document restriction portion and an engagement piece. The restriction surface is provided on the main body side of the document conveying device, and extends downward from a position coinciding with a first trajectory toward an inner side of the first trajectory, while extending downward from a position coinciding with a second trajectory toward an inner side of the second trajectory. When the feeding unit is at the retracted position, the engagement piece is engaged with the restriction surface, and when the feeding unit is at the paper feeding position, the engagement therebetween is released. | 05-16-2013 |
20130119603 | Sheet Feeding Device and Image Forming Apparatus Including the Same - A sheet feeding device includes a sheet guide portion disposed upstream of a nip portion so as to guide a leading edge of a sheet sent from a sheet storing portion to the nip portion, and a manual bypass guide member which extends from a manual bypass sheet feeder and has a leading edge portion disposed between the sheet guide portion and the nip portion and can be elastically deformed in up and down direction so as to guide a manual bypass sheet to the nip portion. The manual bypass sheet is guided by the manual bypass guide member toward the nip portion and is sent out by the feed roller to a sheet transport path. | 05-16-2013 |
20130120778 | PAPER-FEEDING DEVICE AND IMAGE FORMING APPARATUS - A paper-feeding device, during a paper leading edge detection interval that includes an expected point in time of arrival of a paper leading edge at a paper sensor installation location, and during a paper trailing edge detection interval that includes an expected point in time of passage of a paper trailing edge, allows the signal level of a paper detection signal that is outputted to a main body section to fluctuate on the basis of an actual output value of a paper sensor, and during a transition interval from the paper leading edge detection interval to the paper trailing edge detection interval, locks the paper detection signal that is outputted to the main body section, to the signal level at the end of the paper leading edge detection interval. | 05-16-2013 |
20130120781 | ELECTRONIC APPARATUS, NON-TEMPORARY RECORDING MEDIUM, COMMUNICATION TERMINAL UNIT, AND OPERATION CONTROL SYSTEM - A multifunction peripheral | 05-16-2013 |
20130121741 | DOCUMENT COVER, IMAGE READER HAVING DOCUMENT COVER, AND IMAGE FORMING APPARATUS - A document cover covers a document platen of a housing. The document cover has a cover frame, a document pressing part, and a hinge. The hinge has a first member and a second member. The first member has a rotating shaft and a first fixed part that is mounted on one of the cover frame and the housing. The second member has a fitted part that is fitted rotatably to the rotating shaft, and a second fixed part, which is mounted on the other of the cover frame and the housing. The first member and the second member can change states thereof between a first state in which the first member and the second member can be attached to or detached from each other, and a second state in which the first member and the second member are prevented from being detached from each other. | 05-16-2013 |
20130122415 | TONER FOR ELECTROSTATIC LATENT IMAGE DEVELOPMENT AND METHOD OF PRODUCING TONER FOR ELECTROSTATIC LATENT IMAGE DEVELOPMENT - There is disclosed a toner for electrostatic latent image development which includes at least a colorant, a charge control agent, and a release agent in a binder resin and is produced using a pulverizing process. An average circularity of the toner is 0.960 or more and 0.980 or less with respect to toner particles having a primary particle diameter of 3 μm or more and 10 μm or less. A numerical proportion of toner particles, having a concave portion of which outer diameter is 200 nm or more and being observed by a predetermined condition, is 10% by number or less. | 05-16-2013 |
20130127111 | IMAGE FORMING APPARATUS - An image forming apparatus includes a first and second ejection portions, a first and second conveying paths, a branch portion connecting the first conveying path with the second conveying path, a switching member movable between a first and second positions, a drive unit that moves the switching member from the first position to the second position or vice versa, a reference position setting unit setting the reference position of the switching member in an initial state, and a control unit controlling the drive unit such that the switching member in the initial state is positioned at the reference position set by the unit. | 05-23-2013 |
20130127953 | INK FOR INK-JET RECORDING APPARATUS AND METHOD FOR FORMING IMAGE - An ink for an ink-jet recording apparatus contains water, a pigment, a resin, 1,3-propanediol, and an organic solvent. The resin has a weight-average molecular weight of 30,000 to 150,000. The content of the resin is 1.5% to 6.0% by mass with respect to the mass of the ink. The total content (P+Q) of the content of the glycerol (P) and the content of the 1,3-propanediol (Q) in the ink is 15% to 40% by mass with respect to the mass of the ink. The mass ratio (P/Q) is 0.25 to 1.00. | 05-23-2013 |
20130134657 | SHEET FEEDER AND IMAGE FORMING APPARATUS THEREWITH - A sheet feeder has a sheet accommodating portion, a lift plate, an actuating plate, and an actuating plate driving member. The lift plate is supported on the bottom face of the sheet accommodating portion such that an end part of the lift plate is rotatable. The actuating plate raises and lowers the lift plate by moving between a first position where it lies flat along the bottom face of the sheet accommodating portion and a second position where it is raised a predetermined angle from the bottom face of the sheet accommodating portion. The actuating plate driving member has the actuating plate fixed thereto. The engagement portion is provided on the reverse face of the lift plate, and engages with the actuating plate when this is in the first position and disengages from the actuating plate as the actuating plate rotates from the first position to the second position. | 05-30-2013 |
20130134661 | SHEET TRANSPORT DEVICE HAGING GUIDE MEMBER, AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A sheet transport device includes a registration section, a first sheet transport path and a second sheet transport path the two transport directions of which are substantially perpendicular to the sheet transport direction of the registration section, a confluence transport path, and a first guide member. The confluence transport path merges the first sheet transport path and the second sheet transport path. The first guide member may rotate toward the first sheet transport path when the sheet is fed from the first sheet transport path to the confluence transport path. The first guide member may rotate toward the second sheet transport path when the sheet is fed from the second sheet transport path to the confluence transport path. | 05-30-2013 |
20130135420 | OPTICAL SCANNING DEVICE, IMAGE FORMING APPARATUS WITH OPTICAL SCANNING DEVICE AND ABNORMALITY DETECTION METHOD FOR OPTICAL SCANNING DEVICE - An optical scanning device includes a light emitter, a scanner, a first detector and a determiner. The light emitter outputs a beam. The scanner scans within a given area determined in advance with the beam output from the light emitter. The first detector is arranged on an optical path of the beam in the given area and detects the light quantity of the beam. The determiner determines light quantity shortage of the light beam if the light quantity detected by the first detector is below a first threshold set in advance and above a second threshold indicating a light quantity smaller than the first threshold and determines an abnormality in a scanning operation by the scanner or an abnormality of the light emitter if the light quantity detected by the first detector is below the second threshold. | 05-30-2013 |
20130135421 | POLYGON MOTOR UNIT, AND OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS WITH SAME - A polygon motor unit is mounted in a housing and includes a polygon mirror, a polygon motor, a board, a thermally conductive member and an elastic member. The polygon mirror is rotated and deflects light. The polygon motor includes a shaft portion and rotates the polygon mirror. The board includes a first surface and a second surface opposite to the first surface, and the polygon mirror and the polygon motor are mounted on the first surface. The thermally conductive member includes a positioning portion for setting a reference position, a third surface facing the second surface and a projection projecting from the third surface toward the second surface and configured to position the board with respect to the reference position by coming into contact with the second surface. The elastic member is made of a thermally conductive material and arranged between the second surface and the third surface. | 05-30-2013 |
20130135645 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - An image reading apparatus includes a first housing, a second housing, a document conveyance path, a plate-like transparent member, a reader, a guide member, a transparent sheet member and a pressing member. The guide member is arranged on the transparent member at a side downstream of the first position in a conveying direction of the document and guides the document to a downstream side in the conveying direction. The transparent sheet member includes a first sheet portion which is arranged on the transparent member to cover the first position and a second sheet portion which is held in contact with the guide member and with which the document being conveyed along the document conveyance path comes into contact. The pressing member presses a side of the first sheet portion upstream of the first position in the conveying direction against the transparent member. | 05-30-2013 |
20130135647 | IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS - An image reading apparatus includes an original document platform, a reflection carriage, a wire, a pulley, a slide member, a projecting section and a guide section. The reflection carriage includes a mirror for reflecting light, and is moved in a first direction along a sub-scanning direction with respect to the original document. The wire is wound around a pulley. The slide member is installed on the reflection carriage, rotatably supports the pulley, and slidably moves in the first direction with respect to the reflection carriage. The projecting section is provided to project in a second direction that intersects with the first direction, on one of the reflection carriage and the slide member. The guide section is provided to extend in the first direction on the other of the reflection carriage and the slide member. The projecting section abuts against the guide section. | 05-30-2013 |
20130135652 | IMAGE FORMING APPARATUS - When a job setting storing portion | 05-30-2013 |
20130135653 | OPERATING DEVICE AND IMAGE FORMATION DEVICE - An operating device of the disclosure includes: a plurality of operation keys; and a processing unit executing a process corresponding to a pushed operation key from among the operation keys, the processing unit executing a process corresponding to a specified operation key when the processing unit detects that the specified operation key and an operation key located near the specified operation key from among the operation keys are pushed at the same time. | 05-30-2013 |
20130135660 | IMAGE FORMING APPARATUS - An image forming apparatus | 05-30-2013 |
20130135662 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - An image forming apparatus of the present disclosure includes a print queue, a job writing unit, a print execution unit, a connected-state detection unit, and a maximum-number-of-storable-pages changing unit. The print queue stores print jobs on a page basis. The job writing unit writes the print jobs into the print queue. The print execution unit executes print on a recording medium based on a page from the print queue, and suspends execution of the print in a case in which a print job other than a print job of currently executed printing is cancelled. The connected-state detection unit detects a connected state of extension devices affecting a length of a conveyance path of the recording medium. The maximum-number-of-storable-pages changing unit changes a maximum number of storable pages, that can be stored in the print queue, and changes the maximum number of storable pages, based on the connected state detected. | 05-30-2013 |
20130135676 | IMAGE FORMING APPARATUS TO WHICH PORTABLE STORAGE MEDIUM CAN BE CONNECTED - An image forming apparatus to which a portable storage medium can be connected includes a storage unit, a connecting unit, and a control unit. The storage unit stores default setting information. A portable storage medium that can store user-specific setting information customized to the individual users is connected to the connecting unit. When the portable storage medium in which the user-specific setting information is stored is connected to the connecting unit, the control unit performs a process based on the user-specific setting information stored in the portable storage medium without changing the default setting information stored in the storage unit. | 05-30-2013 |
20130135680 | IMAGE FORMING DEVICE AND METHOD FOR DISPLAYING IMAGE INFORMATION - A determination unit determines whether or not an image forming device is a pre-designated image forming device by using specifying information when security setting including the specifying information that specifies the pre-designated image forming device has been made in image data read from a portable external storage device. A display control unit causes a display unit to display image information specifying the image formed on the basis of the image data in a state in which security of the contents of the image is ensured when the image forming device is not determined by the determination unit to be the pre-designated image forming device, and causes the display unit to display the image information in a state in which security of the contents of the image is not ensured when the image forming device is determined by the determination unit to be the pre-designated image forming device. | 05-30-2013 |
20130136484 | IMAGE FORMING APPARATUS - An image forming apparatus has a chassis, an image forming section, a shield metal plate, and a plurality of substrates. The chassis has a first surface and a second surface on an opposite side to the first surface. The image forming section is disposed in an internal space formed between the first and second surfaces of the chassis and performs an image forming process on a sheet. The shield metal plate is provided vertically between the second surface and the image forming section and has a third surface facing a side of the first surface and a fourth surface facing a side of the second surface. The plurality of substrates are provided vertically on the third surface of the shield metal plate and have electrical components protruding toward the first surface. | 05-30-2013 |
20130136485 | IMAGE FORMING APPARATUS - An image forming apparatus includes a chassis, an image forming section, a fan, a circuit board, and a first cooling air channel. The chassis includes a first surface and a second surface that is opposite to the first surface. The image forming section is arranged in an internal space formed between the first surface and the second surface of the chassis and performs an image forming process on a sheet. The fan is arranged between the first surface and the image forming section and is rotationally driven to cause an airflow to flow into the internal space. The circuit board is vertically arranged between the second surface and the image forming section. The first cooling air channel is arranged in the internal space and sends the airflow toward the circuit board. | 05-30-2013 |
20130136499 | IMAGE FORMING APPARATUS - The neutralization units | 05-30-2013 |
20130136502 | DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A development device includes a developer introduction port, a developer conveyance portion, a first conveyance ability suppressing portion, and a connecting conveyance portion. The conveyance ability suppressing portion is disposed on a downstream side of the developer introduction port in a first direction in which the developer is conveyed in order to partially suppress a developer conveyance ability of the developer conveyance portion such that a developer accumulation portion is formed in a position opposing the developer introduction port. A first direction downstream side of the first conveyance ability suppressing portion opposes a first connecting passage in a third direction that intersects the first direction. The connecting conveyance portion is joined to the first direction downstream side of the conveyance ability suppressing portion and opposes the first connecting passage in the third direction in order to pass the developer from a first conveyance passage to a second conveyance passage. | 05-30-2013 |
20130136503 | DEVELOPING MECHANISM AND IMAGE FORMING APPARATUS - The present application discloses a developing mechanism including a developing device for developing electrostatic latent images and a container containing developer. The developing device includes a carrier carrying and supplying the developer to the electrostatic latent images; a first housing having a feed port through which the developer is fed; a first conveyance member conveying the developer along a first direction away from the feed port; and a first shutter mechanism selectively opening and closing the feed port. The container includes a second housing having a supply port from which the developer is supplied through the feed port to the developing device; a second shutter mechanism selectively opening and closing the supply port; and a second conveyance member conveying the developer along a second direction across the first direction for developer discharge through the supply port. The feed port is opened earlier than the supply port is opened. | 05-30-2013 |
20130136504 | IMAGE FORMING APPARATUS - An image forming apparatus includes a main body, a developing device, a support frame, a developer case, and an intermediate hopper. The support frame selectively positions the developing device to a detachment position and a developing position. The intermediate hopper includes a first hopper, a second hopper, and a third hopper. The first hopper receives developer from the developer case through a developer inlet port. The second hopper has a developer outlet port, through which the developer is supplied to the developing device. The upper and lower end portions of the third hopper are respectively connected to the first and second hoppers. Parts where the first to third hoppers are connected one another are rotatable in directions that allow the support frame to move. | 05-30-2013 |
20130147107 | SHEET FEEDER FOR FEEDING SHEET AND IMAGE PROCESSING APPARATUS WITH SHEET FEEDER - A sheet feeder includes a sheet placing portion, a feeding member, a supporting body, a driver, an electromagnetic clutch and a retraction controller. The supporting body is capable of changing a posture between a sheet feeding posture of the feeding member and a retracting posture for retracting the feeding member. The electromagnetic clutch is capable of changing a state between an engaged state in which a drive force is transmitted to the supporting body and a disengaged state in which the drive force is not transmitted to the supporting body. The retraction controller stops the output of a drive force after the electromagnetic clutch is set in the engaged state and the supporting body is set to the retracting posture by the drive force, and sets the electromagnetic clutch in the disengaged state when an engagement keeping time elapses after the output of the drive force is stopped. | 06-13-2013 |
20130148148 | IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM - An image forming apparatus includes a control unit configured to cause a document image on a display screen of a display unit to be preview-displayed based on a document image data and cause an icon indicating various sizes of printing papers to be displayed, when a movement manipulation of the icon onto the document image based on a manipulation signal is detected, cause a frame according to a size of a printing paper indicated by the icon to be displayed while overlapping the document image and recognize a region surrounded by the frame as a printing region, and control the print unit such that an image of the printing region is printed on the printing paper indicated by the icon, which is movement-manipulated, when a print instruction is received. | 06-13-2013 |
20130154939 | BUTTON KEY ASSEMBLY, OPERATION PANEL, AND IMAGE FORMING APPARATUS - A button key assembly of an operation panel includes button key units. Each button key unit includes button keys and a frame member. The button keys are arranged corresponding to switches on a substrate provided at the operation panel. The frame member supports the button keys via elastic arm members. The button key units are superposed one over the other to form the button key assembly. At least one of the button key units includes a supporting space having a width sufficient for supporting the button keys via the elastic arm members, and a vacant space disposed adjacent to the supporting space on a side closer to the elastic arm members and having a width narrower than the width of the supporting space. A button key of another button key unit superposed on the at least one button key unit is arranged in the vacant space. | 06-20-2013 |
20130155143 | INK FOR INKJET RECORDING APPARATUSES, AND METHOD FOR FORMING IMAGE - An ink for inkjet recording apparatuses is provided in which an adsorbed resin proportion calculated from a total resin mass and a free resin mass in the ink is at least 0.95 and less than 1.00, the ink containing in specific amounts, respectively: water; a pigment dispersion including a resin with a molecular weight in the range of 35,000 to 140,000 and a specific amount of pigment; glycerin and 1,3-propanediol as humectants; and 1,2-octanediol, which has 8 carbon atoms, as a high penetrating agent, and further containing a C2-C4 monoalkyl ether of a polyhydric alcohol as a penetrating agent. | 06-20-2013 |
20130156454 | DEVELOPING DEVICE, IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING DEVELOPING DEVICE - A developing device includes a development roller, a magnetic roller, a transformer, a switching portion, output control portion and a capacitor. The development roller is opposite a photoconductor drum. The magnetic roller performs, with a magnetic brush, the supply of a toner to the development roller and the removal of the toner. The transformer generates an alternating-current voltage applied to the development roller. The switching portion passes and interrupts a current to the transformer. The output control portion stepwise changes, when a duty ratio in switching is changed, the duty ratio a plurality of times from a first duty ratio to a second duty ratio. The capacitor has one end connected to the transformer and the other end connected to the switching portion. | 06-20-2013 |
20130156468 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME - A developing device includes a first agitating member and a second agitating member. Each of the first and second agitating members includes a screw having a helical portion formed helically so as to define a hollow portion, and a plurality of ribs formed on the helical portion in the longitudinal direction of the screw. On at least one of the first and second agitating members, there is disposed a paddle opposed to the communicating portion on a downstream side in a transport direction of the developing powder. The paddle has a flat surface in a direction perpendicular to the longitudinal direction, and a width of a distal end of the paddle is smaller than a width of a proximal end of the paddle disposed to the agitating member in a plan view. | 06-20-2013 |
20130159844 | DATA PROCESSING APPARATUS, NON-TEMPORARY RECORDING MEDIUM, AND DATA PROCESSING METHOD - A control unit of a personal computer (PC) | 06-20-2013 |
20130163040 | Image Forming Apparatus - An image forming apparatus of the present disclosure includes a first processing unit; a second processing unit configured to perform a process different from a process performed by the first processing unit; and a non volatile memory device in which a shared root file system has been stored, the shared root file system mounted by a kernel for the first processing unit and a kernel for the second processing unit. | 06-27-2013 |
20130163048 | IMAGE FORMING APPARATUS, COMMUNICATION DEVICE, AND IMAGE FORMING SYSTEM - An image forming apparatus includes a printing data reception unit, an identification information creation unit, an identification information transmission unit, an HDD, an image forming unit, an identification information acceptance unit, and a controller. The printing data reception unit receives from a communication terminal device printing data including printing target data and its printing accompanying information with a predetermined protocol. The identification information creation unit creates identification information upon receiving the printing data. The identification information transmission unit transmits identification information to the communication terminal device. The HDD stores the printing data. The identification information acceptance unit accepts input of the identification information. The controller makes the image forming unit print the printing target data corresponding to the input identification information. | 06-27-2013 |
20130164009 | IMAGE FORMING APPARATUS - Image forming apparatus is disclosed. The developing portion is replenished with toner from a toner containing body by operating a toner feeding mechanism. The receiving portion receives a designation of switching to a low speed i.e. switching the rotation speed of the motor from the first speed to the second speed lower than the first speed. The measuring portion measures a value of a counter electromotive voltage generated in the motor by causing the motor to operate the toner feeding mechanism. The motor control portion causes the motor to rotate at the first speed until an absolute value of the value measured by the measuring portion is not larger than a predetermined first value, and causes the motor to rotate at the second speed after an absolute value of the measured value is smaller than the first value, in the case where the switching to a low speed is designated. | 06-27-2013 |
20130164020 | ELECTRONIC DEVICE AND IMAGE FORMING APPARATUS - An electronic device and image forming apparatus include a main body and an attachment unit. The main body includes a main-body side connector. The attachment unit includes a unit-side connector connectable with the main-body side connector and is mounted detachably on the main body. The main body includes a static electricity prevention member and a biasing member. The static electricity prevention member is configured to be movable between a first position and a second position. The static electricity prevention member partially or completely covers an outer periphery of a terminal of the main-body side connector at the first position and exposes this terminal at the second position. The attachment unit presses the static electricity prevention member from the first position to the second position against a biasing force applied by the biasing member, such that the main-body side connector is connected with the unit-side connector. | 06-27-2013 |
20130164026 | IMAGE FORMING APPARATUS - An image forming apparatus includes vertically connected units, first and second fitting portions, and first and second fitted portions. These fitting portions are provided at a lower portion of an upper unit. These fitted portions are provided at an upper portion of a lower unit downwardly adjacent to the upper unit. The first fitted portion corresponds to the first fitting portion and the second fitted portion corresponds to the second fitting portion. The upper unit is restricted from displacing vertically relative to the lower unit when the first fitting portion engages with the first fitted portion. The second fitting portion engages with the second fitted portion such that the upper unit is restricted from moving horizontally relative to the lower unit, when a user pivots the upper unit downwardly about the first fitting portion while the first fitting portion is engaged with the first fitted portion. | 06-27-2013 |
20130164063 | TONER RECOVERY DEVICE AND IMAGE FORMING APPARATUS HAVING THE TONER RECOVERY DEVICE - A toner recovery device includes a toner recovery container that recovers toner; and a toner conveying shaft member that is provided inside the toner recovery container and conveys toner in a axial direction of the toner conveying shaft member by the rotation around a rotational axis of the toner conveying shaft member and that has a spiral groove formed around the rotational axis and an outer peripheral surface whose distance from the rotational axis is variable. | 06-27-2013 |
20130168919 | DOCUMENT CONVEYING DEVICE FOR CONVEYING DOCUMENT AND IMAGE FORMING APPARATUS INCLUDING THE DOCUMENT CONVEYING DEVICE - A document conveying device includes a document conveying unit, a controller, first and second document detectors, a pulse count detector, and a determining unit. The first document detector is located on a feeding path along which a document is fed by the document conveying unit, and detects a document leading edge. The second document detector is located at a position different from that of the first document detector in both a document feeding direction and a direction orthogonal thereto, and detects the document leading edge. The determining unit determines whether the number of pulses detected by the pulse count detector during the period from detection of the document leading edge by one of the first and second document detectors to detection of the document leading edge by the other exceeds a predetermined value. If the number of pulses exceeds the predetermined value, the controller stops the document feeding operation. | 07-04-2013 |
20130169998 | Image Scanning Apparatus - An image scanning apparatus of this disclosure includes: a scanner unit which generates image data by image scanning and outputs it; a memory; a data processing unit which (a1) performs a predetermined process for either the image data outputted by the scanner unit or the image data for which a preprocess has been performed, (a2) writes the processed image data into a predetermined memory area in the memory in turn, and (a3) returns a writing position of the image data to a top of the memory area and overwrite the image data if the writing position of the image data reaches an end of the memory area; and a control unit which (b1) allocates the memory area in the memory and (b2) measures a shortage amount of the memory area on the basis of a size of an area where the image data has been overwritten. | 07-04-2013 |
20130170002 | IMAGE SCANNING APPARATUS SCANNING DOCUMENT IMAGE AND IMAGE FORMING APPARATUS INCLUDING IMAGE SCANNING APPARATUS - An image scanning apparatus scanning a document image includes a document conveying unit, an image scanning unit, a foreign object detecting unit, a display unit, and a control unit. The document conveying unit feeds pages of a document loaded on a document feed tray one at a time. The image scanning unit scans each fed page of the document on a scanning face. The foreign object detecting unit detects whether a foreign object exists on the scanning face based on the image data on the page of the document scanned on the scanning face. The control unit causes the display unit to display the detection of a foreign object if a last page of the document loaded on the document feed tray is scanned and the foreign object on the scanning face is detected based on the image data on the last page of the document. | 07-04-2013 |
20130170003 | IMAGE READING APPARATUS AND METHOD, AND IMAGE FORMING APPARATUS - An image reading apparatus includes a tray to place a document, a conveying mechanism for a document, a reader for a document image, a detector for detecting a sheet jam, an image processor and a controller. The image processor performs an image processing for removing document smear from an image read by the reader. The controller controls a document conveying operation by the conveying mechanism and a document reading operation by the reader. If a jammed document is removed and the document is placed again on the document tray after the detector detects a sheet jam, the controller performs a sheet jam recovery processing for causing the conveying mechanism to convey the document again and causing the reader to read the image of the document. The image processor performs the image processing on the image of the jammed document read by the reader during the sheet jam recovery processing. | 07-04-2013 |
20130170852 | IMAGE FORMING APPARATUS - An image forming apparatus includes a housing, a sheet conveyance path, a toner containing unit, a fixing unit, a fixing housing, a heat insulation member, a first hot air exhaust passage, a second hot air exhaust passage and a third hot air exhaust passage. The fixing housing houses the fixing unit and includes a wall portion facing the toner containing unit. The heat insulation member shields between the wall portion and the toner containing unit. The first hot air exhaust passage is arranged between the heat insulation member and the toner containing unit. The second hot air exhaust passage communicates with the first hot air exhaust passage. The third hot air exhaust passage is arranged between the wall portion and the heat insulation member and includes an opening facing the sheet conveyance path and a communication port communicating with the second hot air exhaust passage. | 07-04-2013 |
20130182026 | INKJET RECORDING DEVICE AND IMAGE FORMING APPARATUS FOR STABLE INK EJECTION - An inkjet recording device includes a recording head, a head driving unit, and a controller. A selector of the head driving unit performs selection for individual nozzles so that when the drive waveform selection data for printing one line at this time sent from a data processing section indicates that the number of times of ink ejection is 0, and drive waveform selection data for printing the next one line indicates that the number of times of ink ejection is 0, drive voltage according to none of one or more drive waveforms for ink ejection or a drive waveform for meniscus oscillation is applied to a piezoelectric element. | 07-18-2013 |
20130182271 | COMPUTER-READABLE NON-TRANSITORY STORAGE MEDIUM WITH COMMUNICATION PROGRAM STORED THEREON, INFORMATION PROCESSING APPARATUS, IMAGE FORMING SYSTEM, AND IMAGE FORMING APPARATUS - An information processing apparatus includes a detection unit, a data acquisition unit, and a communication unit. The detection unit is configured to detect whether or not print target data based on a print job has been created in a format suitable for printing on a predetermined image forming apparatus. The data acquisition unit is configured to acquire, when the detection unit detects that the print target data has been created, the created print target data and accompanying print information extracted from the print job. The communication unit is configured to transmit print data containing the acquired print target data and accompanying print information to the image forming apparatus using a predetermined protocol applicable to the image forming apparatus. | 07-18-2013 |
20130183053 | DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND METHOD FOR CONTROLLING DEVELOPING DEVICE - A developing device includes a developing roller, a magnetic roller, a capacitor, a transformer, and a switching portion. The magnetic roller supplies toner to the developing roller or takes off the toner from the same. The capacitor is connected to a primary of the transformer, and the developing roller is connected to a secondary of the same. During a period while the voltage between electrodes of the capacitor is changing, the switching portion changes the duty ratio in a predetermined second time slot in which current flowing in the switching portion is smaller than that flowing in a first time slot. | 07-18-2013 |
20130188973 | IMAGE FORMING APPARATUS - An image forming apparatus includes a control portion. The control portion determines a developer near end when the residual amount of a developer is in a range from a first predetermined amount to a second predetermined amount, and determines a developer end when the residual amount of the developer is equal to or lower than the second predetermined amount. Besides, in a case where the control portion determines the developer end after a predetermined number of printings are executed in a developer near end state, the control portion supplies the developer from a developer supply device to a development device via a first supply opening, and in a case where the control portion determines the developer end after more than the predetermined number of printings are executed, the control portion supplies the developer from the developer supply device to the development device via a second supply opening. | 07-25-2013 |
20130188976 | IMAGE FORMING APPARATUS - The instant application discloses an image forming apparatus including an acquiring section configured to acquire image information about the image, an image forming section which uses liquid developer to form the image on the sheet in response to the image information, a fixing device configured to fix the image onto the sheet, and a controller which carries out control to change operation of the fixing device in response to the image information. The fixing device includes a rubbing mechanism configured to rub the image on the sheet. The rubbing mechanism changes rubbing operation in response to the image information under the control of the controller. | 07-25-2013 |
20130188989 | DRUM UNIT AND IMAGE FORMING APPARATUS HAVING DRUM UNIT - A drum unit has a photosensitive drum, a circular tube member, a housing, and a bearing portion. The photosensitive drum includes a drum sleeve, a flange portion, and a supporting portion. The supporting portion is press-fitted into the inner peripheral surface of the circular tube member made of metal. The sliding surface of the circular tube member is rotatably inserted into the bearing portion attached to the housing of the drum unit. | 07-25-2013 |
20130188996 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS - This disclosure relates to a developing device supplying a non-magnetic one-component developer onto an image bearing member on which an electrostatic latent image is formed. The developing device has an accommodating portion, a supply roller, a development roller, and a regulating member. The accommodating portion accommodates the developer. The supply roller holds the developer accommodated in the accommodating portion on the outer circumferential surface thereof. The development roller has a roller portion, and a rotational shaft member. The roller portion receives the developer supplied from the supply roller and holds a developer layer on the outer circumferential surface thereof. The rotational shaft member is arranged to extend along a rotational axis and has at least one magnet portion. The regulating member is a plate member arranged to be surface contacted onto the surface of the developer layer on the development roller and having part thereof configured of a magnetic member. | 07-25-2013 |
20130189009 | CLEANING DEVICE AND IMAGE FORMING APPARATUS - A cleaning device includes: a cleaning rotating body | 07-25-2013 |
20130189615 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - The present application discloses an image forming apparatus which uses at least two types of liquid developer to form a plurality of images that are superimposed on a sheet to form an image. The image forming apparatus includes a transfer mechanism configured to transfer the image to the sheet, an image forming mechanism configured to make the transfer mechanism carry the image, and a rubbing mechanism configured to rub the image on the sheet. The at least two types of liquid developer have different fixing properties from each other. The transfer mechanism includes a carrying surface configured to carry the image from the image forming mechanism. One of the plurality of images between the carrying surface and another of the plurality of images has higher fixing properties than the liquid developer used for forming the other image among the plurality of images. | 07-25-2013 |
20130192402 | DRIVING APPARATUS, GEAR MEMBER, AND ELECTRONIC DEVICE - A driving apparatus includes a rotary member and a gear member. The rotary member rotates about an axis of its own. The gear member includes an inner peripheral surface which forms a space corresponding to a shape of the rotary member and an outer peripheral surface on which gear teeth are formed. The gear member is fitted to the rotary member by press fit. The outer peripheral surface includes, in a direction of an axis of rotation of the gear member, a toothed region in which the gear teeth are formed and a non-toothed region in which no gear teeth are formed. | 08-01-2013 |
20130193631 | SHEET TRANSPORT DEVICE AND IMAGE FORMING APPARATUS INCORPORATED WITH THE SAME - A sheet transport device has a housing member, a sheet tray, a transport path, a dispensing portion, a feeding portion, and a projecting member. Sheets are accommodated in the sheet tray. The sheet tray is detachably attached to the housing member, and is configured to be pulled out of the housing member in a first direction. The transport path is disposed in the housing member, and extends from the sheet tray in a second direction perpendicular to the first direction. The dispensing portion dispenses the sheets to the transport path. The feeding portion is rotated in contact with the sheet for feeding the sheet toward downstream of the transport path. The projecting member is configured to be projected and retracted with respect to the transport path near the imaginary line extending from a sheet nip portion in the first direction. | 08-01-2013 |
20130193637 | RECORDING MEDIUM DISCHARGE DEVICE AND IMAGE FORMING APPARATUS - A drive controlling unit causes an ascending and descending unit to lower a recording medium discharge tray, and then causes raising of the recording medium discharge tray until detection of the upper surface of the recording medium by an upper surface detection sensor. A determining unit determines whether a raising time of the recording medium discharge tray measured by a measuring unit is a predetermined abnormal time. When the raising time is determined by the determining unit not to be the abnormal time, the drive controlling unit causes the recording medium discharge unit to execute the subsequent recording medium discharge into the recording medium discharge tray. When the raising time is determined by the determining unit to be the abnormal time, the drive controlling unit causes the recording medium discharge unit to stop the subsequent recording medium discharge into the recording medium discharge tray. | 08-01-2013 |
20130194361 | INKJET RECORDING APPARATUS AND METHOD FOR REMOVING AIR BUBBLES IN INKJET RECORDING APPARATUS - An inkjet recording apparatus is capable of an operation of removing air bubbles in a recording head that includes the ink supply step, the ink ejection step, and the refilling step. The ink supply step supplies ink to a common flow-passage in the state in which movement of the ink inside a second ink-flow passage is tolerated with an inflow side valve, and movement of the ink inside a third ink-flow passage is restricted with an outflow side valve. The ink ejection step ejects the ink together with the air bubbles inside the common flow-passage from an outflow port into the third ink-flow passage by tolerating movement of the ink inside the third ink-flow passage with the outflow side valve. The refilling step refills the ink in the state in which movement of the ink inside the second ink-flow passage is restricted with the inflow side valve. | 08-01-2013 |
20130194596 | IMAGE FORMING APPARATUS - An image forming apparatus has a printing function, a scanner function, and a control unit. In the printing function, a printed material acquired by recording image data included in a printing job received through a network on a recording paper is discharged. In the scanner function, the image data is acquired by reading a manuscript. The control unit judges whether the scanner function is in use for a long time (step A | 08-01-2013 |
20130194640 | LIGHT GUIDE FOR GUIDING LIGHT OF LIGHT SOURCE, IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS PROVIDED WITH THIS LIGHT GUIDE - A light guide includes a main body, an input surface, an output surface, a reflecting surface, a first diffusing portion and a second diffusing portion. The main body is guiding light. The light is inputted the input surface of the main body. The light is emitted from the output surface in a direction intersecting with the longitudinal direction. The reflecting surface is provided on the main body and opposite to the output surface. The first diffusing portion is formed on the reflecting surface closer to the input surface. The second diffusing portion is formed on the reflecting surface closer to a side opposite to the input surface. The first and the second diffusing portions have a first and a second length respectively in a direction orthogonal to the longitudinal direction, and the first length is longer than the second length. | 08-01-2013 |
20130194641 | LIGHT GUIDE MEMBER, ILLUMINATING DEVICE, AND IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS USING SAME - A light guide member includes a main body part, and an entrance surface, a strip-shaped exit surface and a strip-shaped reflecting surface that are formed on the main body part. The illumination light is output from the exit surface. The reflecting surface extends in the first direction on a face placed opposite to the exit surface of the main body part and reflects the illumination light. The reflecting surface includes, on a flat face, a reflection pattern surface provided with a plurality of minute reflective concave parts having a function of reflecting the illumination light toward the exit surface. The reflective concave parts each include a deflection surface which deflects the illumination light in a direction in which a reflection angle widens in a cross sectional view in a second direction that is orthogonal to the first direction in a horizontal direction, and then reflects the illumination light. | 08-01-2013 |
20130194642 | LIGHT GUIDING MEMBER, IMAGE READING DEVICE, AND IMAGE FORMING APPARATUS INCLUDING THE IMAGE READING DEVICE - A light guiding member includes an input surface, an output surface, a counter surface, a reflective portion, and a diffusing portion. The light guiding member is a rod-shaped member that guides light in a longitudinal direction thereof. The input surface is one end face of the light guiding member and allows light to be input thereon. The output surface has a belt-like shape, extends in the longitudinal direction, and allows light to be emitted therefrom. The counter surface is located opposite the output surface. The reflective portion is a belt-like portion extending in the longitudinal direction and reflects light toward the output surface. The diffusing portion is a belt-like portion extending in the longitudinal direction and diffuses light emitted from the output surface. The diffusing portion is smaller than the reflective portion in width in a direction orthogonal to the longitudinal direction. | 08-01-2013 |
20130195474 | IMAGE-FORMING APPARATUS AND METHOD FOR CONTROLLING IMAGE-FORMING APPARATUS - An image-forming apparatus includes an image formation section, a placement unit, a paper feed rotating body, a detecting body, a storage unit, and a determination unit. The detecting body detects the arrival of the paper having been supplied by the paper feed rotating body. The storage unit stores measurement data that is based on a measurement time from the start of paper feeding until when the detecting body detects the arrival. The determination unit finds the average time of the measurement times and, when the average time is longer than a predetermined theoretical time, establishes as the paper-non-feed jam detection time a time obtained by adding the absolute value of the time difference between the theoretical time and the average time to a detection reference time. The determination unit determines whether or not a paper-non-feed jam has occurred with the paper-non-feed jam detection time. | 08-01-2013 |
20130195478 | IMAGE-FORMING APPARATUS AND METHOD FOR CONTROLLING IMAGE-FORMING APPARATUS - An image-forming apparatus includes a power-source part, a fixing device, a power-source switch, a memory part, a fixing motor, and a drive-transmitting part. The power-source part generates and supplies voltage. The fixing device includes a rotating heating body, a heater, and a rotating pressing body. The power-source switch turns off a power source of the image-forming apparatus. The memory part stores recorded data that the power source was turned off due to the operation of the power-source switch. When the recorded data is stored in the memory part, electric power is applied to the fixing motor so as to initiate rotation at a first torque, and when the recorded data is not stored, electric power is applied to the fixing motor so as to initiate rotation at a second torque, which is less than the first torque. | 08-01-2013 |
20130195488 | IMAGE FORMING APPARATUS - The cleaning unit cleans the surface of the image carrying body after transfer of the toner image onto an image transfer object. The post-transfer neutralization unit is disposed between the transfer unit and the cleaning unit, and neutralizes electrical charge of the surface of the image carrying body after transfer. The first control unit controls neutralization light intensity of the pre-transfer neutralization unit such that a dark potential (V | 08-01-2013 |
20130195490 | IMAGE-FORMING APPARATUS AND METHOD FOR CONTROLLING IMAGE-FORMING APPARATUS - An image-forming apparatus includes: a fixing unit; a load; a power source circuit section; a fixation electrical current detecting body; a total electrical current detecting body; a storage unit; and a fixation control unit. The fixing unit fixes a toner image using a heat generator. The power source circuit section supplies electric power to the load. The storage unit stores electrical current change amount data establishing an amount of change in the magnitude of the total electrical current relative to an amount of change in a phase for each value of the power factor of the fixing unit. The fixation control unit finds the power factor of the fixing unit, and alters the phase at which the heat generator starts to be energized on the basis of the power factor thus found and the electrical current change amount data, so that the total electrical current value approaches a target value. | 08-01-2013 |
20130195498 | POWER CONTROL DEVICE, ELECTRONIC APPARATUS, AND IMAGE FORMING APPARATUS - A power control device includes a power control unit, a power switch, a timer unit, a power supply switch, and a connection instruction unit. The power control unit is driven by power supplied from a power source. The power switch outputs a detection signal to the power control unit. The timer unit outputs a switch-on signal for giving an instruction to turn on the switch. The power supply switch switches between connection and non-connection of the power source and a load. The connection instruction unit outputs a connection instruction signal for connecting the power source to the load. The power control unit outputs a stop signal for stopping the output of the switch-on signal to the timer unit before a time point at which the predetermined time elapses when the power is supplied from the power source. The power control unit outputs the switch-on signal to the connection instruction unit. | 08-01-2013 |
20130195499 | SHIELDING CASE AND IMAGING FORMING APPARATUS - A shield case includes a cabinet main body and a lid. The cabinet main body accommodates a board for mounting electronic components. The cabinet main body includes a main body side wall and a main body outer edge portion. The lid includes an opposed outer edge portion, a recessed portion and a plurality of contact points. The recessed portion includes opposed side wall portions that are disposed in an opposed configuration in relation to the main body side wall, and a lid bottom portion. A plurality of contact points is formed on the opposed side wall portions. The plurality of contact points is biased toward the main body side wall to form an electrical connection between the cabinet main body | 08-01-2013 |
20130195507 | TANDEM IMAGE FORMING APPARATUS HAVING NEUTRALIZATION DEVICE PERFORMING PRE-TRANSFER NEUTRALIZATION AND POST-TRANSFER NEUTRALIZATION - An image forming apparatus has an intermediate transfer belt and a plurality of image forming units located along the intermediate transfer belt. Each image forming unit has a photosensitive drum, a charger that charges the photosensitive drum, a developing device that forms a toner image by attaching toner to an electrostatic latent image formed by exposure after charging, a transfer device that transfers the toner image formed on the photosensitive drum to the intermediate transfer belt, a cleaning device that removes toner remaining on the photosensitive drum, and a neutralization device that neutralizes the photosensitive drum using neutralization light. The neutralization device of at least one of the image forming units irradiates the photosensitive drum with neutralization light, irradiates the intermediate transfer belt with neutralization light, and irradiates the photosensitive drum of the adjacent image forming unit with reflected light of neutralization light from the intermediate transfer belt. | 08-01-2013 |
20130195510 | IMAGE FORMING APPARATUS AND TONER CASE - An image forming apparatus includes a toner case, a driving mechanism and an installed part. The toner case includes a container main body, a rotating member and a transmission coupling. The container main body is provided with a discharge port configured to discharge a toner. The rotating member is installed into the container main body. The transmission coupling is connected with the rotating member. The driving mechanism includes a drive coupling and a drive unit. The drive coupling is detachably connected with the transmission coupling. The toner case has a lever supported onto the container main body. The driving mechanism has a movement mechanism which works in accordance with the operation of the lever, in a state of installing the toner case into the installed part, to move the drive coupling from a disconnecting position to a connecting position with the transmission coupling. | 08-01-2013 |
20130195511 | IMAGE FORMING APPARATUS AND DEVELOPMENT DEVICE - An image forming apparatus includes a toner container and a development device. The toner container includes a container main body being provided with a discharge port configured to discharge a toner. The development device includes a development device main body being provided with a replenishment port configured to receive a toner discharged from the discharge port and a shutter configured to open/close the replenishment port. The shutter opens/closes the replenishment port by turning along the outside face of the development device main body. | 08-01-2013 |
20130195522 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes: a fixing belt; a heat portion; a pressure roller; a push member that pushes the fixing belt against the pressure roller; and a push pad that is disposed on a surface of the push member that opposes the fixing belt. A slide surface of the push pad has a flat portion substantially parallel to a convey direction of the recording medium and an arc-shaped portion that bends toward the pressure roller in a more downstream side than the flat portion in the recording medium convey direction, the arc-shaped portion includes a radius R | 08-01-2013 |
20130195531 | IMAGE-FORMING APPARATUS AND METHOD FOR CONTROLLING IMAGE-FORMING APPARATUS - An image-forming apparatus includes an image formation unit, a resist unit, a paper feed unit, a detecting body, and a clocking unit. The resist unit stops paper conveyance before the next paper arrives. The paper feed unit includes a paper feed rotating body for rotating and thereby issuing the paper forth toward the resist unit, and for stopping before supplying the next paper. The detecting body detects the arrival of the paper. The clocking unit clocks a conveyance time from the start of paper feeding to when the detecting body detects the arrival. The resist unit starts conveying the paper when a deflection generation time has elapsed since the detection of the arrival. When the conveyance time is shorter than a predetermined reference time, the paper feed rotating body starts rotating in subsequent paper feeding at a timing that is delayed in comparison to the earlier paper feeding. | 08-01-2013 |
20130198483 | IMAGE READING APPARATUS - An image reading apparatus includes an image data compression unit, an attribute data compression unit, and a memory. Of image data and attribute data generated by image reading, the image data compression unit compresses the image data. The attribute data compression unit compresses the attribute data. In the memory, a page memory region for storing the image data compressed by the image data compression unit and the attribute data compressed by the attribute data compression unit is secured. And, one of the compressed image data and the compressed attribute data is successively written from the beginning of the page memory region toward the end thereof, while the other of the compressed image data and the compressed attribute data is successively written from the end of the page memory region toward the beginning thereof. | 08-01-2013 |
20130200126 | IMAGE FORMING APPARATUS HAVING LOOPED BELT AND METHOD OF DETECTING INDEX - An image forming apparatus includes an endless belt, an index provided at part of an end edge of the belt, a detecting member, a processing unit, and a storage unit. The detecting member changes an output value thereof based on the passing states of the index and the end edge of the belt in a detection area of the detecting member. The processing unit processes the output value and determines whether the index is present in the detection area by comparing the present output value with a threshold value. The storage unit stores the processed output value. The processing unit acquires a reference value based on the stored output value. The processing unit, when determining whether the index is present in the detection area, sets as the threshold value a value obtained by changing the most recently acquired reference value by a predetermined value. | 08-08-2013 |
20130201524 | IMAGE FORMING APPARATUS - Provided is an image forming apparatus having a frequency-of-use measuring unit, a power cutoff period identifying unit, a document data processing unit, and a power management unit. The frequency-of-use measuring unit measures a frequency of use of a predetermined function. The power cutoff period identifying unit identifies a power cutoff period for turning off the power on the basis of the frequency of use. The document data processing unit prints document data accumulated in a document box prior to the power cutoff period. The power management unit turns off the power when the power cutoff period is reached. | 08-08-2013 |