Patent application number | Description | Published |
20090033028 | SHEET PROCESSING APPARATUS AND SHEET PROCESSING METHOD - A sheet processing apparatus includes a first detector configured to detect a leading edge of a sheet conveyed in a conveying direction, a second detector provided on a downstream side of the first detector in the sheet conveying direction to detect the leading edge of the sheet conveyed, a punching portion, in the downstream side of the first detector in the sheet conveying direction, to move in a sheet width direction crossing the sheet conveying direction and perform a punching process for the sheet, an edge detector configured to move in the width direction together with the punching portion and detect the edge of the sheet conveyed in the width direction, and a controller, on the basis of at least either of information of a conveying speed of the sheet and a sheet length in the conveying direction, when the edge detector starts movement in the width direction after the first or second detector detects the leading edge of the sheet, to judge whether the edge detector can detect the edge of the sheet or not, as a result of the judgment, selecting the detector positioned on the most downstream side in the conveying direction among the first and second detectors which can be used, and when the selected first or second detector detects the leading edge of the sheet conveyed, permitting the edge detector to start movement to detect the edge of the sheet in the width direction. | 02-05-2009 |
20090057991 | CONNECTION APPARATUS FOR CONNECTING IMAGE FORMING APPARATUS AND SHEET POST-PROCESSING APPARATUS - There is provided a connection apparatus for connecting an image forming apparatus and a plurality of sheet post-processing apparatuses. This connection apparatus has a flapper portion for switching a plurality of conveying paths going toward the plurality of sheet post-processing apparatuses. Sensors are provided near inlet rollers and near output rollers, respectively. Outputs of the sensors are inputted to a wired OR circuit, so that an output of the wired OR circuit is supplied to a CPU of one of the connected sheet post-processing apparatuses. | 03-05-2009 |
20090230612 | SHEET LOADER AND IMAGE FORMING APPARATUS - An image forming apparatus including a sheet loader, the sheet loader including: a discharger configured to discharge a first sheet and a second sheet after the first sheet; a tray configured to support the second sheet on the first sheet; a support configured to support the first sheet on the tray; a controller configured to control the support to lower a first angle than a second angle, the first angle being an angle of the first sheet against a direction to which the discharger discharges the second sheet at a position where the second sheet hits on the first sheet, the second angle being an angle of the tray against the direction at a position where the first sheet hits on the tray. | 09-17-2009 |
20100119245 | PAPER DISCHARGE DEVICE AND IMAGE FORMING APPARATUS - It is an object of the present invention to provide a paper discharge device that can sort sheets on a tray. The paper discharge device has paper discharge rollers, a tray and a driving mechanism. The paper discharge rollers are configured to discharge a sheet having an image formed thereon. The tray is configured to be stacked with the sheet discharged from the paper discharge rollers. The driving mechanism is configured to move the tray in a direction approaching the paper discharge rollers and a direction away from the paper discharge rollers and vary a stacking position of the sheet on the tray. | 05-13-2010 |
20100194024 | TRAY, SHEET POST-PROCESSING APPARATUS, AND SHEET-ALIGNMENT METHOD - According to one embodiment, a tray includes a take on surface on which a sheet is placed, a projecting portion configured to stick out from the take on surface, and a slip stopper including a sheet-slip stopper portion having a larger frictional coefficient with the sheet than the take on surface has. The slip stopper sticks the sheet-slip stopper portion out from the take on surface when the sheet comes into contact with the projecting portion. | 08-05-2010 |
20110065056 | IMAGE DECOLORING DEVICE - An image decoloring device includes: a decoloring processing unit configured to perform decoloring for removing the color of a decolorable colorant; a sheet carrying unit configured to transfer a sheet and causing the sheet to pass through the decoloring processing unit; a print condition detection unit arranged upstream of a direction in which the sheet is transferred by the sheet carrying unit with respect to the decoloring processing unit, the print condition detection unit obtaining print condition information indicating the print condition of an image formed on the sheet; and a process controlling unit configured to control the decoloring processing unit based on a result of detection given from the print condition detection unit. | 03-17-2011 |
20110065574 | IMAGE DECOLORING APPARATUS, IMAGE DECOLORING METHOD, AND SHEET TRANSFER APPARATUS - The present invention provides an image decoloring apparatus including a plurality of, at least three, sheet load portions, each of the portions being able to be loaded with a sheet, an decoloring portion which performs decoloring an image on a sheet formed with the decolorable colorant, a first sheet transfer portion which transfers the sheet loaded in each of the plurality of sheet load portions to the decoloring portion, and a second sheet transfer portion which transfers the sheet after the decoloring is performed thereto by the decoloring portion to each of the plurality of sheet load portions. | 03-17-2011 |
20110074086 | DECOLORIZING DEVICE AND METHOD FOR CONTROLLING DECOLORIZING DEVICE - According to one embodiment, a decolorizing device includes a first stacker to stack sheets to be decolorized images on the sheets, a second stacker arranged adjacent to the first stacker, wherein the sheets stacked on the first stacker is kept waiting on the second stacker in order to be decolorized the images, a pressing unit to urge the sheets stacked on the second stacker downward and keep the sheets stacked on the second stacker flat, an image decolorizing unit to decolorize the images on the sheets, and a sheet feed unit positioned on an upper surface of the pressing unit to convey the sheets pressed on the pressing unit from the second stacker to the image decolorizing unit. | 03-31-2011 |
20110089625 | CONNECTION APPARATUS FOR CONNECTING IMAGE FORMING APPARATUS AND SHEET POST-PROCESSING APPARATUS - A sheet post-processing apparatus or a connection apparatus has a flexible paper guide provided in a position of the inlet rollers, having a length ranging from an upstream side of the sensor to a downstream side of the sensor with respect to the conveying path, having a cut off in a portion corresponding to the sensor. | 04-21-2011 |
20110221183 | DECOLORING DEVICE, SHEET FEED METHOD, AND COMPUTER-READABLE RECORDING MEDIUM RECORDING SHEET FEED PROGRAM - There is provided a decoloring device including a decoloring unit, a first sheet conveying unit, a first sheet feed unit, a thickness detecting unit, a decolorability determining unit, and a second sheet feed unit. The first sheet conveying unit conveys the sheet to the decoloring unit. The first sheet feed unit feeds the sheet to the first sheet conveying unit. The decolorability determining unit determines whether or not the sheet which is subject to thickness detecting is decolorable by the decoloring unit based on a detection result in the thickness detecting unit. A second sheet feed unit is disposed at a downstream side in relation to the thickness detecting unit and at an upstream side in relation to the decoloring unit in a sheet conveying path by the first sheet conveying unit and feeds the sheet to the first sheet conveying unit. | 09-15-2011 |
20110221851 | PRINT STATE DETECTING DEVICE FOR PRINTED SHEET SURFACE, ERASING APPARATUS, AND PRINT STATE DETECTION METHOD FOR PRINTED SHEET SURFACE - There is provided a print state detection device for a printed sheet surface including a sheet conveying path on which a sheet printed with an image is conveyed, a contact member that contacts with the surface of the sheet moving on the sheet conveying path, a contact state detecting part that detects a physical phenomenon occurring when the contact member contacts with the sheet, a separating part that separates the difference in the physical phenomenon occurring when the contact member comes into contact with the ground of the sheet surface and when the contact member comes into contact with an image, based on detection information obtained by the detection of the contact state detecting part, and a print state determining part that determines the print state of an image on one sheet based on separation information obtained by the separation by the separating part. | 09-15-2011 |
20110221852 | Printing Sheet Reusability Determination Device, Erasing Device, Image Forming Device, and Printing Sheet Reusability Determination Method - A printing sheet reusability determination device includes a sheet carrying path that carries a second state sheet obtained by erasing an erasable image from a first state sheet on which the erasable image is printed, an imaging portion that images the second state sheet on the sheet carrying path, an illumination portion that illuminates the second state sheet on the sheet carrying path at a first irradiation angle when images remaining on the second state sheet are photographed, and at a second irradiation angle smaller than the first irradiation angle when a projected image generated by illuminating the second state sheet is photographed, an irradiation angle changing portion that changes the first irradiation angle and the second irradiation angle, and a reusability determination portion that determines whether or not to reuse the second state sheet based on imaging information obtained by the imaging of the imaging portion at the first irradiation angle and determines whether or not to reuse the second state sheet based on imaging information obtained by the imaging of the imaging portion at the second irradiation angle. | 09-15-2011 |
20110221853 | DEVICE DETECTING CURL OF SHEET AND IMAGE ERASING DEVICE - There is provided a device detecting curling of a sheet, the device including a first guide member carrying the sheet; a second guide member including a carriage path that is broader than the carriage path of the first guide member and accepting the curling of the sheet; and sensors with detection ranges into which a portion of the curling of the sheet enters, in the carriage path of the second guide member. | 09-15-2011 |
20110222084 | DECOLORING DEVICE, SHEET CONVEYING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM RECORDING SHEET CONVEYING PROGRAM - There is provided a decoloring device including a decoloring unit, a first sheet conveying unit, a second sheet conveying unit, a reversing and conveying unit, a manual feed tray, and a manual discharge tray. The reversing and conveying unit is disposed adjacent to an outer wall of the decoloring device in relation to the first sheet conveying unit, and conveys once again the sheet, which is temporarily brought into the second sheet conveying unit after being decolored by the decoloring unit and is switch-back conveyed, to the first sheet conveying unit. The manual feed tray is provided at an outer wall side of the decoloring device adjacent to the reversing and conveying unit. The manual discharge tray is provided at a position of the outer wall side of the decoloring device adjacent to the reversing and conveying unit. | 09-15-2011 |
20110222130 | DECOLORING DEVICE, METHOD OF DETERMINING DECOLORING SUCCESS OR FAILURE AND COMPUTER-READABLE RECORDING MEDIUM RECORDING DECOLORING SUCCESS OR FAILURE DETERMINING PROGRAM - There is provided a decoloring device including a decoloring unit, a first sheet conveying unit, a pre-decoloring reading unit, a type determining unit, a second sheet conveying unit, a post-decoloring reading unit, a decoloring success or failure determining unit, and a determination criterion setting unit. The type determining unit determines the type of image on the sheet conveyed to the decoloring unit based on the reading result in the pre-decoloring reading unit. The post-decoloring reading unit reads an image on the sheet after the decoloring, which is conveyed by the second sheet conveying unit. The decoloring success or failure determining unit determines whether or not the decoloring in the decoloring unit is successful based on the reading result in the post-decoloring reading unit. The determination criterion setting unit sets a determination criterion in the decoloring success or failure determining unit, based on the type of image, which is determined by the type determining unit. | 09-15-2011 |
20110222131 | IMAGE ERASING APPARATUS AND IMAGE ERASING METHOD - An image erasing apparatus includes a scanning unit, a memory unit, an erasing unit, and a carrying unit. The scanning unit converts an image formed on a sheet into image data which is electronic data. The memory unit stores the image data converted by the scanning unit. The erasing unit erases the image formed on the sheet. The carrying unit carries the sheet to the scanning unit and the erasing unit in this order. | 09-15-2011 |
20110222937 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing device has an image forming portion, a heating portion and a supplying portion. The image forming portion forms an image on a sheet. The heating portion heats the sheet on which the image is formed by the image forming portion at a predetermined temperature, to thereby fix the image on the sheet. The supplying portion supplies the sheet on which an image is fixed previously. Further, the heating portion heats the sheet on which the image is fixed and which is supplied from the supplying portion at a temperature higher than the predetermined temperature to thereby remove the image. | 09-15-2011 |
20110222951 | ERASING DEVICE, IMAGE FORMING APPARATUS, SHEET CASSETTE COMMON USE SYSTEM, AND A STORING METHOD OF ERASE-PROCESSED SHEETS - An erasing device includes an image erasing portion that erases an erasable image which is printed on a sheet using an erasable color material, a reusability determination portion that determines whether or not to reuse the sheet obtained by erasing the erasable image by the image erasing portion; a sorting carrying portion that carries the determined sheets to a carrying destination for reusable sheets and a carrying destination for non-reusable sheets according to the determination result from the reusability determination portion; a common sheet cassette that can be used in an image forming apparatus and detachably installed in the carrying destination for reusable sheets, and that stacks and contains the sheets from the sorting carrying portion therein; a storage medium that is installed in the common sheet cassette; and a communication portion that stores information regarding the sheets contained in the common sheet cassette in the storage medium. | 09-15-2011 |
20110234735 | IMAGE ERASING APPARATUS AND CONTROL METHOD FOR IMAGE ERASING APPARATUS - An image erasing apparatus includes: a supply unit which supplies a recording medium; a collection unit which collects the recording medium supplied by the supply unit; plural carrying roller pairs which carry the recording medium supplied by the supply unit, toward the collection unit; a detection unit which acquires information about a metallic foreign matter adhering to the recording medium; a heating unit which heats the recording medium to a color erasing temperature of a developer or higher; and a carrying control unit which decelerates a rotation speed of the plural carrying roller pairs from a first speed to a second speed when the information about the metallic foreign matter is acquired by the detection unit. | 09-29-2011 |
20110234736 | IMAGE ERASING APPARATUS, AND METHOD OF DETERMINING FOREIGN MATTER ATTACHED TO RECORDING MEDIUM SUPPLIED TO IMAGE ERASING APPARATUS - An image erasing apparatus includes: a supply unit that supplies a recording medium; a recovery unit that recovers the recording medium supplied by the supply unit; a plurality of pairs of carrying rollers that carry the recording medium supplied by the supply unit toward the recovery unit; a detecting unit that acquires information regarding foreign matter made of metal attached to the recording medium; a heating unit that heats the recording medium to a temperature equal to or higher than a color-erasing temperature of a developer; and a carriage control unit that reduces a rotation speed of the plurality of pairs of rollers from a first speed to a second speed when the detecting unit acquires the information regarding the foreign matter made of metal. | 09-29-2011 |
20110235075 | DECOLORING APPARATUS - According to one embodiment, an decoloring apparatus includes: an decoloring processing unit configured to apply decoloring processing decoloring a color of an decolorable colorant; a sheet conveying unit configured to convey a sheet and cause the sheet to pass through the decoloring processing unit; an image reading unit arranged further on an upstream side than the decoloring processing unit in a sheet conveying direction by the sheet conveying unit and configured to read an image formed on the sheet conveyed by the sheet conveying unit; a thickness sensor arranged further on the upstream side than the decoloring processing unit in the sheet conveying direction by the sheet conveying unit and configured to detect thickness of the sheet conveyed by the sheet conveying unit; an decolorability determining unit configured to determine, on the basis of a detection result in at least one of the image reading unit and the thickness sensor, executability of the decoloring processing in the decoloring processing unit of the sheet set as a detection target; a storing unit configured to store information indicating a number of sheets determined as decoloring processing unexecutable by the decolorability determining unit; and a display control unit configured to cause a display to screen-display the information stored in the storing unit indicating the number of sheets determined as decoloring processing unexecutable by the decolorability determining unit. | 09-29-2011 |
20110236843 | DECOLORING APPARATUS - According to one embodiment, an decoloring apparatus includes: an decoloring processing unit configured to apply decoloring processing decoloring a color of an decolorable colorant; a sheet conveying unit configured to convey the sheet and cause the sheet to pass through the decoloring processing unit; an image reading unit arranged further on an upstream side than the decoloring processing unit in a sheet conveying direction by the sheet conveying unit and configured to read the image formed on the sheet conveyed by the sheet conveying unit; a thickness sensor arranged further on the upstream side than the decoloring processing unit in the sheet conveying direction by the sheet conveying unit and configured to detect thickness of the sheet conveyed by the sheet conveying unit; an decolorability determining unit configured to determine, on the basis of a detection result in at least one of the image reading unit and the thickness sensor, executability of the decoloring processing in the decoloring processing unit of the sheet set as a detection target; a storing unit configured to store information indicating a number of sheets determined as decoloring processing unexecutable by the decolorability determining unit; and a display control unit configured to cause, when the apparatus is started, a display to screen-display the information stored in the storing unit indicating the number of sheets determined as decoloring processing unexecutable by the decolorability determining unit. | 09-29-2011 |
20110277604 | SHEET PROCESSING APPARATUS AND SHEET PROCESSING METHOD - A sheet processing apparatus includes a first detector configured to detect a leading edge of a sheet conveyed in a conveying direction, a second detector provided on a downstream side of the first detector in the sheet conveying direction to detect the leading edge of the sheet conveyed, a punching portion, in the downstream side of the first detector in the sheet conveying direction, to move in a sheet width direction crossing the sheet conveying direction and perform a punching process for the sheet, an edge detector configured to move in the width direction together with the punching portion and detect the edge of the sheet conveyed in the width direction, and a controller, on the basis of at least either of information of a conveying speed of the sheet and a sheet length in the conveying direction, when the edge detector starts movement in the width direction after the first or second detector detects the leading edge of the sheet, to judge whether the edge detector can detect the edge of the sheet or not, as a result of the judgment, selecting the detector positioned on the most downstream side in the conveying direction among the first and second detectors which can be used, and when the selected first or second detector detects the leading edge of the sheet conveyed, permitting the edge detector to start movement to detect the edge of the sheet in the width direction. | 11-17-2011 |
20120025439 | SHEET PROCESSING APPARATUS, IMAGE FORMING SYSTEM AND SHEET PROCESSING METHOD - According to one embodiment, a sheet processing apparatus includes a reinforce roller to further reinforce the fold of a sheet which has been folded by a fold roller pair, a support portion to move the reinforce roller in a direction perpendicular to a sheet conveying direction, a sensor to sense a position of the support portion, a distance sensing portion to sense a distance to a first position and a distance to a second position from a stop position of the support portion, when the sensor senses an abnormal stop of the support portion, and a control unit to compare the distance to the first position and the distance to the second position sensed by the distance sensing portion and to control the support portion to move in a direction where a moving distance is shorter. | 02-02-2012 |
20120025454 | DECOLORING APPARATUS AND SHEET CONVEYANCE CONTROL METHOD - A sheet conveyance control method in an apparatus including a first conveying path for leading a sheet from a feeing port to a discharge port, a second sheet conveying path for leading the sheet to another conveyance destination, and a decoloring processing section configured to decolor an image formed on the sheet includes: detecting the length of the sheet further on a downstream side than the feeding port and further on an upstream side than a branching point of the first and second sheet conveying paths in a sheet conveying direction of the first sheet conveying path; and changing, if the trailing end of the sheet is not detected in a period after the leading end of the sheet is detected and before the leading end of the sheet reaches the branching point, a first flapper to a state in which the sheet is conveyed to the discharge port. | 02-02-2012 |
20120026531 | DECOLORING DEVICE AND FUNCTION MANAGEMENT METHOD - When the presence or absence of a malfunction is respectively determined in a decoloring section or a separation device, and it is determined that either the decoloring section or the separation device is malfunctioning, only the other is executable. | 02-02-2012 |
20120038732 | DECOLORING APPARATUS AND SHEET TRANSPORT CONTROL METHOD - There is provided a decoloring apparatus including: an image reading unit; a decoloring processing unit; a transmission unit which transmits image data read by the image reading unit to a predetermined management apparatus; a receiving unit which receives a result of determination processing performed on the side of the management apparatus for the sheet from which the image data was read, based on the image data transmitted by the transmission unit; and a transport control unit which controls sheet transport time intervals for secondly or later transported sheets based on a time period from transmission of the image data of a firstly transported sheet by the transmission unit until receiving of the determination result for the firstly transported sheet by the receiving unit if the image reading unit is caused to sequentially read images on three or more sheets. | 02-16-2012 |
20120038733 | DECOLORING APPARATUS TO CONTINUOUSLY ERASE IMAGES OF SHEETS, DECOLORING SYSTEM AND PAPER FEEDING METHOD OF DECOLORING APPARATUS - A decoloring apparatus includes a conveyance path, a paper feeding part, a reading part, a communication part, a decoloring part and a control part. The conveyance path conveys a sheet to respective parts in the apparatus. The paper feeding part feeds a sheet on which an image is formed by a decolorable colorant to the conveyance path from a sheet stack part. The reading part is provided downstream of the paper feeding part in the conveyance path and reads the image of the sheet. The communication part transmits read image data of a preceding sheet to a management apparatus communicably connected to the decoloring apparatus and receives a determination result of a conveyance destination of the preceding sheet obtained by the management apparatus based on the image data. The decoloring part is provided downstream of the reading part in the conveyance path and erases the image of the sheet. After the communication part receives the determination result of the conveyance destination of the preceding sheet obtained by the management apparatus, the control part conveys the preceding sheet subjected to reading to the determined conveyance destination, and reads an image of a subsequent sheet by the reading part so that a leading edge of the subsequent sheet does not collide with a trailing edge of the preceding sheet. | 02-16-2012 |
20120038958 | DECOLORING DEVICE CONSECUTIVELY DECOLORING IMAGE ON SHEET, MANAGEMENT DEVICE CAUSING DECOLORING DEVICE TO CONSECUTIVELY DECOLORING IMAGE ON SHEET, AND DECOLORING SYSTEM INCLUDING DECOLORING DEVICE AND MANAGEMENT DEVICE - A communication unit transmits image data of a preceding sheet scanned to a management device communicating with a decoloring device and receives from a management device determination data which is produced by the management device based on the image data and indicates at least whether or not the preceding sheet is reusable and receives ability data of the management device or reception time indication data. A control unit conveys the preceding sheet to a predetermined conveyance destination based on the determination data and feeds sheets at a timing at which the leading end of a following sheet does not run into the tail end of the preceding sheet even if the preceding sheet is held until the determination data is received based on the ability data or the reception time indication data. | 02-16-2012 |
20120148327 | ERASING APPARATUS AND CONVEYANCE CONTROL METHOD FOR RECORDING MEDIUM - According to one embodiment, a erasing apparatus includes: a paper feeding section configured to feed a recording medium on which a erasable image is recorded to a conveying path; a conveying section configured to convey the recording medium along the conveying path; a erasing section configured to erase a color of the image on the recording medium; a sensor configured to detect the recording medium conveyed through the erasing section by the conveying section; and a control section configured to perform, if the sensor detects occurrence of a jam of the recording medium, control to convey the recording medium present in the conveying path. | 06-14-2012 |
20120149562 | DECOLORING APPARATUS AND CONTROL METHOD FOR DECOLORING APPARATUS - According to one embodiment, first and second branch paths of a decoloring apparatus are formed downstream in a sheet conveying direction of a reading section in a conveying path. A diverting section is provided at a branch point of the first and second branch paths in the conveying path. A control section determines on the basis of image data whether decoloring processing should be applied to a sheet, diverts, if determining that the decoloring processing should be applied to the sheet, the sheet to the first branch path with the diverting section, and diverts, if determining that the decoloring processing should not be applied to the sheet, the sheet to the second branch path with the diverting section. A decoloring section is provided between the reading section and the branch point in the conveying path and heats the sheet to decolor an image formed with a decolorable color material. | 06-14-2012 |
20120200031 | PAPER DISCHARGE DEVICE AND IMAGE FORMING APPARATUS - It is an object of the present invention to provide a paper discharge device that can sort sheets on a tray. The paper discharge device has paper discharge rollers, a tray and a driving mechanism. The paper discharge rollers are configured to discharge a sheet having an image formed thereon. The tray is configured to be stacked with the sheet discharged from the paper discharge rollers. The driving mechanism is configured to move the tray in a direction approaching the paper discharge rollers and a direction away from the paper discharge rollers and vary a stacking position of the sheet on the tray. | 08-09-2012 |
20120306982 | COLOR ERASING APPARATUS - According to one embodiment, a color erasing apparatus includes a color erasing section which erases a color of an image formed with an erasable color material on a sheet conveyed at first speed, a reading section which reads an image on the surface of the sheet conveyed at second speed higher than the first speed, a first conveying section, and a second conveying section. The first conveying section includes a first conveying roller arranged downstream in a sheet conveying direction of the color erasing section and conveys the sheet at the first speed. The second conveying section includes a second conveying roller arranged upstream in the sheet conveying direction of the reading section and in a position where the second conveying roller nips the conveyed sheet simultaneously with the first conveying roller. The second conveying section conveys the sheet to the reading section at the second speed. | 12-06-2012 |
20120306983 | ERASING APPARATUS AND IMAGE ERASING METHOD - In general, according to an embodiment, an erasing section erases the image on the sheet. A first conveying path conveys the sheet fed from a sheet feeding section and is provided with a reading section and a discharge section downstream of the reading section in a sheet conveying direction. A second conveying path is branched from the first conveying path downstream of the reading section in the sheet conveying direction and upstream of the discharge section in the sheet conveying direction. The second conveying path merges with the first conveying path upstream of the reading section in the sheet conveying direction and is provided with the erasing section. A sorting member, which is located at a branch point at which the second conveying path is branched from the first conveying path. A recording section is located on the first conveying path and records count information indicative of an erase count. | 12-06-2012 |
20120306984 | SHEET DISCHARGING DEVICE AND ERASING DEVICE - According to an embodiment, a sheet discharging device includes: a first conveying path configured to guide a sheet to be conveyed; a second conveying path branched from the first conveying path at a branch point of the first conveying path; a sorting section configured to sort a sheet being conveyed on the first conveying path into either a downstream side of the branch point on the first conveying path or the second conveying path; a first discharge tray configured to receive a sheet discharged from the first conveying path at a first sheet loading surface; and a second discharge tray placed below the first discharge tray and configured to receive a sheet discharged from the second conveying path at a second sheet loading surface whose distance to the first sheet loading surface increases toward a downstream side thereof in a sheet discharging direction. | 12-06-2012 |
20120306985 | IMAGE ERASING APPARATUS AND IMAGE ERASING METHOD - According to one embodiment, a first conveying path to form a conveying path from a sheet supply portion toward an ejector, a reader arranged on the first conveying path to read an image on a surface of the sheet, an erasure to erase the image on the sheet formed with image erasable material, a switching portion arranged on the first conveying path at a downstream side of the reader in a sheet conveying direction to switch the sheet conveying direction to a direction of the ejector or a direction of the erasure, and a second conveying path having the erasure which, at a position where the switching portion is arranged, branches from the first conveying path at the downstream side of the reader and merges with the first conveying path at a meeting point between the sheet supply portion and the reader. | 12-06-2012 |
20120307314 | SHEET SORTING DEVICE AND SHEET SORTING METHOD - According to an embodiment, a first discharging unit and a second discharging unit discharge a sheet. A first conveying path extends from a scanning unit to the first discharging unit. A second conveying path branches off from the first conveying path at a branch point of the first conveying path and extends to the second discharging unit. A conveying member discharges the sheet to the first discharging unit when a discharging destination of the sheet is the first discharging unit, and the conveying member makes part of the sheet project from the first conveying path to the first discharging unit, locates an upstream tip end of the sheet in a sheet conveying direction, at a position downstream in the sheet conveying direction from the branch point, and conveys the sheet to switchback to the second conveying path, when the discharging destination of the sheet is the second discharging unit. | 12-06-2012 |
20120315591 | DECOLORIZNG APPARATUS - An erasing apparatus of embodiments has a color erasing device, the color erasing device has: a first heating member; a second heating member provided at a position facing the first heating member so as to form a nip portion therebetween through which the sheet is passed; a halogen lamp configured to heat the second heating member from outside thereof; and a reflector provided at a position opposite to the second heating member with the halogen lamp interposed therebetween and having a reflective surface configured to reflect heat received from the halogen lamp toward the second heating member, the reflector forming a guiding section configured to be in sliding contact with the sheet being conveyed so as to guide the sheet to the nip portion, the guiding section being heated by the halogen lamp. | 12-13-2012 |
20130001860 | SHEET FEEDING DEVICE AND SHEET FEEDING METHOD - In general, in a sheet feeding device of embodiments, a shaft connects through an one-way clutch structure to a conveying roller, rotates in a first direction and a second direction opposite to the first direction, transmits the torque to the conveying roller to cause the conveying roller to rotate in the first direction if the shaft rotates in the first direction. The shaft does not transmit the torque to the conveying roller if the shaft rotates in the second direction. The shaft limits the rotation of the conveying roller in the second direction while the shaft is in a rotation-stop state. A controller has a second mode in which the shaft is rotated in a second direction to allow rotation of the conveying roller in the second direction. | 01-03-2013 |
20130002783 | ERASING APPARATUS AND ERASING METHOD - According to one embodiment, an erasing apparatus includes a paper feeding unit configured to feed a sheet having an image recorded, an erasing unit including a pressing roller and a heater that has a shape following the outer circumference of the pressing roller and includes a contact area with the pressing roller, the erasing unit being configured to erase the image formed on the sheet fed to a contact section of the pressing roller and the heater from the paper feeding unit, a temperature detecting unit configured to detect the temperature of the heater, a controller configured to control the heater according to the temperature detected by the temperature detecting unit, and a paper discharge unit configured to discharge the sheet on which the image is erased by the erasing unit. | 01-03-2013 |
20130002784 | METHOD FOR COLOR ERASING PROCESS AND COLOR ERASING DEVICE - According to an embodiment, a method for color erasing process includes the steps of : supplying a power to a heat source configured to heat a sheet having an image formed thereon using a color erasable material so as to cause heat generation as warming-up control; stopping the power supply to the heat source for a predetermined period of time in the warming-up control if the temperature of the heat source is increased starting from a temperature lower than a predetermined reference value that is lower than a color erasing temperature of the color erasable material and exceeds the predetermined reference value; performing maintenance control that is power supply control to maintain the temperature of the heat source at the target temperature; and performing, after the passage of the predetermined period of time, a color erasing process by the heat source. | 01-03-2013 |
20130003134 | SHEET LOADING APPARATUS, ERASING APPARATUS, AND SHEET LOADING METHOD - A sheet loading apparatus includes a loading member which loads the sheet discharged by the discharge member, a tip support member which abuts against the leading edge of the sheet discharged by the discharge member in the sheet discharge direction, a rotation member which abuts against an upper surface of the sheet discharged to the loading member, and is rotated to transport the sheet to the stopper side, and a control section which controls a transport amount of the sheet through the rotation member based on a loading amount of the sheet loaded on the loading member. | 01-03-2013 |
20130010046 | IMAGE ERASING APPARATUS AND CONTROL METHOD FOR IMAGE ERASING APPARATUS - An image erasing apparatus includes: a supply unit which supplies a recording medium; a collection unit which collects the recording medium supplied by the supply unit; plural carrying roller pairs which carry the recording medium supplied by the supply unit, toward the collection unit; a detection unit which acquires information about a metallic foreign matter adhering to the recording medium; a heating unit which heats the recording medium to a color erasing temperature of a developer or higher; and a carrying control unit which decelerates a rotation speed of the plural carrying roller pairs from a first speed to a second speed when the information about the metallic foreign matter is acquired by the detection unit. | 01-10-2013 |
20130015623 | DECOLORIZING DEVICE AND METHOD FOR CONTROLLING DECOLORIZING DEVICE - According to one embodiment, a decolorizing device includes a first stacker to stack sheets to be decolorized images on the sheets, a second stacker arranged adjacent to the first stacker, wherein the sheets stacked on the first stacker is kept waiting on the second stacker in order to be decolorized the images, a pressing unit to urge the sheets stacked on the second stacker downward and keep the sheets stacked on the second stacker flat, an image decolorizing unit to decolorize the images on the sheets, and a sheet feed unit positioned on an upper surface of the pressing unit to convey the sheets pressed on the pressing unit from the second stacker to the image decolorizing unit. | 01-17-2013 |
20130061409 | ERASING DEVICE - An erasing device of one embodiment includes a conveyance unit that conveys a sheet; a pair of rotating brushes is provided corresponding to both side portions in a width direction perpendicular to a sheet conveyance direction of the sheet conveyed by the conveyance unit, the rotating brushes being provided to oppose to each other, nipping the conveyed sheet, the rotating brushes rotating in the same direction as the sheet conveyance direction such that a circumferential speed of the brush tip has a higher speed than a conveyance speed of the sheet, the rotating brushes rolling and correcting a corner fold portion which occurs on the sheet conveyed by the brush tip portion while rotating; and an erasing unit is provided downstream in the sheet conveyance direction than the rotating brush, the erasing unit erasing an image which is formed on the sheet. | 03-14-2013 |
20130342624 | COLOR ERASING APPARATUS - According to one embodiment, a color erasing apparatus includes a color erasing section which erases a color of an image formed with an erasable color material on a sheet conveyed at first speed, a reading section which reads an image on the surface of the sheet conveyed at second speed higher than the first speed, a first conveying section, and a second conveying section. The first conveying section includes a first conveying roller arranged downstream in a sheet conveying direction of the color erasing section and conveys the sheet at the first speed. The second conveying section includes a second conveying roller arranged upstream in the sheet conveying direction of the reading section and in a position where the second conveying roller nips the conveyed sheet simultaneously with the first conveying roller. The second conveying section conveys the sheet to the reading section at the second speed. | 12-26-2013 |
20140015913 | DEVICE DETECTING CURL OF SHEET AND IMAGE ERASING DEVICE - There is provided a device detecting curling of a sheet, the device including a first guide member carrying the sheet; a second guide member including a carriage path that is broader than the carriage path of the first guide member and accepting the curling of the sheet; and sensors with detection ranges into which a portion of the curling of the sheet enters, in the carriage path of the second guide member. | 01-16-2014 |
20140045685 | METHOD FOR COLOR ERASING PROCESS AND COLOR ERASING DEVICE - According to an embodiment, a method for color erasing process includes the steps of: supplying a power to a heat source configured to heat a sheet having an image formed thereon using a color erasable material so as to cause heat generation as warming-up control; stopping the power supply to the heat source for a predetermined period of time in the warming-up control if the temperature of the heat source is increased starting from a temperature lower than a predetermined reference value that is lower than a color erasing temperature of the color erasable material and exceeds the predetermined reference value; performing maintenance control that is power supply control to maintain the temperature of the heat source at the target temperature; and performing, after the passage of the predetermined period of time, a color erasing process by the heat source. | 02-13-2014 |
20140104362 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing device has an image forming portion, a heating portion and a supplying portion. The image forming portion forms an image on a sheet. The heating portion heats the sheet on which the image is formed by the image forming portion at a predetermined temperature, to thereby fix the image on the sheet. The supplying portion supplies the sheet on which an image is fixed previously. Further, the heating portion heats the sheet on which the image is fixed and which is supplied from the supplying portion at a temperature higher than the predetermined temperature to thereby remove the image. | 04-17-2014 |
20140147136 | SHEET FEED APPARATUS AND SHEET FEED METHOD - A sheet feed apparatus which includes a sheet feed tray in which a plurality of sheets is loaded in piles; a sheet feed roller which is provided at a forward position of the sheet feed tray in a sheet feed direction, and sends the loaded sheets inside thereof; and a lift detection sensor which detects, by using a movable lever, a lift of a sheet bundle which occurs when the sheet bundle, of which a rear or a side in a sheet feed direction is bound, is sent by the sheet feed roller therein, the lift detection sensor being provided at a side position of the sheet bundle in a width direction and at a backward position with respect to the center of the sheet bundle in the sheet feed direction. | 05-29-2014 |
20140203492 | SHEET DISCHARGING DEVICE AND ERASING DEVICE - A sheet discharging device includes a first conveying path that guides a sheet to be conveyed. A second conveying path branches from the first conveying path. A sorting section sorts a sheet being conveyed on the first conveying path into either a downstream side of the branch point or the second conveying path. A first discharge tray is placed at a position downstream of the first conveying path and receives a sheet discharged from the first conveying path at a first sheet loading surface. A second discharge tray is placed at a position downstream of the second conveying path and below the first discharge tray, and receives a sheet discharged from the second conveying path at a second sheet loading surface whose distance to the first sheet loading surface increases toward a downstream side thereof in a sheet discharging direction. | 07-24-2014 |