Abstract: An image delete apparatus has a paper feed tray that feeds recording media, a group of sensors containing a double-feed detection sensor that senses double-feed of the recording media and a media sensor that senses thicknesses of the recording media, a folding unit, and an auxiliary carrying path, and includes a collecting unit that folds and collects the recording media.

Abstract: An image erasing apparatus includes an inlet receiving recording mediums sheet by sheet, a door key limiting the opening of a security box, an overlap feed sensor sensing the overlap feed of the recording mediums, plural size sensors sensing the sizes of the recording mediums, a movable tray on which the recording mediums input from the inlet are placed, a recovery box disposed below the movable tray to recover the recording mediums, and a recording medium carrying mechanism carrying the recording mediums.

Abstract: An image erasing apparatus includes a stacking tray stacking the recording medium, a heater heating the recording medium to a temperature equal to or higher than the temperature at which developer on the recording medium is erased, a detector disposed downstream in a recording medium carrying direction from the heater to detect an image on the recording medium, a recording medium carrying mechanism picking up the recording medium, from the stacking tray sheet by sheet and carrying the picked-up recording medium, a storage box storing the image-erased recording medium by size, a lateral aligning mechanism disposed in the storage box so as to align the recording medium in the lateral direction, and a controller controlling the alignment operation of the lateral aligning mechanism.

Abstract: A sheet processing apparatus includes a conveying motor for conveying a sheet along a conveying path, a skew detecting unit configured to detect a quantity of skew of the conveyed sheet, a hole punching section arranged downstream from the skew detecting unit, an attitude control unit configured to carry out skew correction by changing tilt angle of the hole punching section in accordance with the quantity of skew, a detecting unit configured to detect the forward edge and the rear edge of the sheet conveyed into the hole punching section, and a control unit configured to control the conveying motor to control the conveying speed of the sheet. During a period from when the detecting unit detects the forward edge of the sheet until the detecting unit detects the rear edge, the sheet is decelerated from a first conveying speed to a second conveying speed.

Abstract: An image erasing apparatus includes: a paper feeding tray configured to feed a recording medium; a sensor group including a double-feed detection sensor configured to detect double feed of the recording medium and a media sensor configured to detect the thickness of the recording medium; a recording-medium collecting device, a collection box, or a discharge box configured to collect the recording medium; and a recording-medium conveying device connecting the paper feeding tray, the sensor group, and the recording-medium collecting device, the collection box, or the discharge box on a straight line.

Abstract: An image erasing apparatus includes a recording medium height sensor sensing the height of recording mediums stacked on a discharge tray, a discharge tray lifting and lowering mechanism lifting and lowering the discharge tray, a shifting mechanism shifting and discharging the recording mediums, and a controller controlling a discharging operation so that the height of recording mediums on the discharge tray is equal to a desired height on the basis of the output of the recording medium height sensor.

Abstract: An image erasing apparatus includes: a first carrying section carrying a recording medium; a second carrying section carrying the recording medium; a branching section branching a carrying path into the first carrying section and the second carrying section; a first erasing section erasing an image of the recording medium in the first carrying section; a second erasing section erasing the image of the recording medium in the second carrying section; a third carrying section carrying the recording medium passing through the first erasing section to the second carrying section; and a control section selecting the carrying path of the recording medium depending on an image erasing mode.

Abstract: A sheet processing apparatus includes a first detecting unit including a first sensor and a second sensor arranged at a predetermined spacing from each other on a line orthogonal to a conveying path through which a sheet is conveyed, and a hole punching section provided downstream at a predetermined distance from the first detecting unit and arranged orthogonally to the conveying path of the sheet. The quantity of skew of the sheet is detected in accordance with a difference between time when a forward edge or a rear edge of the sheet passing through the conveying path passes the first sensor and time when the forward edge or rear edge passes the second sensor. Position information of the sheet with respect to the hole punching section is calculated in accordance with information of timing when the first sensor and the second sensor detect the passage of the sheet edge, and the conveying speed of the sheet.

Abstract: An image forming apparatus forms a stamp image with a stamp image developer having a color developing temperature at a color erasing temperature of an image forming developer, and forms a mask image with a mask image developer having a color re-developing temperature at a temperature not lower than a color re-developing temperature of the image forming developer. Accordingly, when a confidential document is color-erased, the stamp image develops color, and when the color-erased confidential document again develops color, it can not be read.

Abstract: A paper binding apparatus includes: a paper carrying unit which carries papers so as to be sequentially stacked on a tray; a binding sheet supply unit which attaches a binding sheet applied with pseudo-adhesive to a lower surface of one end of the paper first stacked on the tray in the carriage direction so as to protrude in a pectinate shape; a binding sheet attaching unit which sequentially bends a plurality of protruding pieces of the binding sheet so as to be pressed against an upper surface of one end of the carried paper whenever a new paper is carried to the tray; and a discharge unit which discharges a bundle of papers bound by the binding sheet.

Abstract: A sheet processing apparatus includes a conveying motor for conveying a sheet along a conveying path, a skew detecting unit configured to detect a quantity of skew of the conveyed sheet, a hole punching section arranged downstream from the skew detecting unit, an attitude control unit configured to carry out skew correction by changing tilt angle of the hole punching section in accordance with the quantity of skew, a detecting unit configured to detect the forward edge and the rear edge of the sheet conveyed into the hole punching section, and a control unit configured to control the conveying motor to control the conveying speed of the sheet. During a period from when the detecting unit detects the forward edge of the sheet until the detecting unit detects the rear edge, the sheet is decelerated from a first conveying speed to a second conveying speed.

Abstract: A sheet processing apparatus includes a hole punching section arranged orthogonally to a conveying path of a sheet, a moving mechanism which moves the hole punching section along a direction orthogonal to the conveying path, a detection unit which is arranged upstream from the hole punching section and which moves by being interlocked with the hole punching section and detects a lateral edge of the sheet conveyed thereto, and a control unit which controls the moving mechanism in accordance with the result of detection by the detection unit and varies the position of the hole punching section, thus controlling the punching processing position.

Abstract: An image forming apparatus of an intra-body paper discharge type includes: a sheet discharge port for discharging a sheet to an intra-body space; a movable tray on which the sheet discharged from the sheet discharge port can be stacked, the movable tray having a guided section guided when the movable tray moves with respect to the sheet discharge port; and a guide section provided on a sidewall parallel to a sheet discharging direction from the sheet discharge port among sidewalls forming the intra-body space, the guide section being configured to guide the guided section of the movable tray such that the movable tray can move between a receiving position for receiving the sheet discharged from the sheet discharge port and a retracted position for allowing the sheet discharged from the sheet discharge port to drop to a floor surface of the intra-body space.

Abstract: A sheet finishing apparatus includes: a supporting unit which supports a sheet supplied from an image forming unit; a positioning unit against which a side edge of the sheet placed on the supporting unit is abutted; a moving unit which contacts a surface of the sheet placed on the supporting unit and moves the sheet in a direction toward the positioning unit; and an adjustment unit which adjusts a movement mode of the moving unit.

Abstract: A sheet processing apparatus includes a hole punching section arranged orthogonally to a conveying path of a sheet, a moving mechanism which moves the hole punching section along a direction orthogonal to the conveying path, a detection unit which is arranged upstream from the hole punching section and which moves by being interlocked with the hole punching section and detects a lateral edge of the sheet conveyed thereto, and a control unit which controls the moving mechanism in accordance with the result of detection by the detection unit and varies the position of the hole punching section, thus controlling the punching processing position.

Abstract: A sheet processing apparatus of the invention includes a standby tray on which a sheet discharged from an image forming apparatus is placed, a processing tray on which the sheet dropped from the standby tray is received and placed, and a post-processing mechanism to perform a post-processing on the sheet placed on the processing tray, and further, an electricity removing brush is attached integrally to a rotation shaft disposed in a direction orthogonal to a transport direction of the sheet at a height position between the standby tray and the processing tray. The electricity removing brush comes in contact with a lowermost surface of the sheet placed on the standby tray or an uppermost surface of the sheet placed on the processing tray by rotation of the rotation shaft, and removes the electricity of the sheet.

Abstract: A stapler is provided in a housing of a finisher. The stapler has a sheet insertion opening extending in a direction along conveyed sheets. The stapler staples the sheets inserted into the sheet insertion opening in the housing. The finisher includes a rotating mechanism that rotates, when the stapler is moved in a direction orthogonal to a conveying direction of the sheets and removed to the outside of the housing, the stapler such that the sheet insertion opening of the stapler faces a further upper side than the direction along the sheets.

Abstract: A sheet processing apparatus comprises a first conveyer roller pair and a second conveyer roller pair arranged sequentially from the upstream side to the downstream side along a sheet conveyance route of a sheet of paper along with a punching unit disposed between the first and second conveyer roller pairs. The punching unit includes a hole cutting blade that is capable of retractably projecting the hole cutting blade relative to the sheet conveyance route so as to control the position of the hole cutting blade of the punching unit according to the condition of the sheet of paper being conveyed. The apparatus further comprises a control unit adapted to cause the hole cutting blade to project across the sheet conveyance route before the leading end of the sheet of paper being conveyed gets to the punching unit so as to make the leading end of the sheet of paper abut the hole cutting blade and correct the skew, if any, of the sheet of paper.

Abstract: In so-called an image forming apparatus of an in-body paper discharging type, a technology which improves convenience of handling of sheets discharged from the apparatus is provided. The holding unit holding a sheet received by a predetermined sheet receiver is moved between a sheet receiving position positioned above the discharge tray in a body for receiving the sheet discharged from the discharge port by the predetermined sheet receiver of the holding unit and a retracted position at which the holding unit is retracted from above the discharge tray so as to avoid the abutment with the sheet placed on the discharge tray.

Abstract: A sheet processing apparatus includes a hole punching section arranged downstream from a skew detecting unit and orthogonally to a conveying path of a sheet, and a control unit configured to change the tilt angle of the hole punching section in accordance with each of the quantity of skew at the forward edge and the quantity of skew at the rear edge of the sheet, carry out skew correction at the forward edge within a first correction range w1, and carry out skew correction at the rear edge within a second correction range w2 (where w1>w2?w1/2). The control unit carries out skew correction at the forward edge within the correction range w2, in the case where the detected quantity of skew at the forward edge is a tilt angle exceeding the correction range w2, and then carries out skew correction at the rear edge in accordance with the difference between the quantity of skew at the forward edge after the correction and the quantity of skew at the rear edge.