Abstract: A recording-material-transporting apparatus includes: a transport unit that transports a recording material and causes the recording material to pass through an upstream location and a downstream location that is positioned downstream of the upstream location in a recording-material-transporting direction in which the recording material is transported; an upstream reader including a light receiver that receives light reflected by the recording material, the upstream reader reading an image that is formed on a portion of the recording material positioned at the upstream location and that is formed on one surface of the recording material; and a downstream reader including a light receiver that receives light reflected by the recording material, the downstream reader reading an image that is formed on a portion of the recording material positioned at the downstream location and that is formed on other surface of the recording material.

Abstract: A sheet feeding apparatus includes a feeding member, a first supporting member including a first supporting surface, and a second supporting member including a second supporting surface. The second supporting member is configured to move between a first position above the first supporting member and a second position to which the second supporting member is retracted upward from the first position. In a state where the second supporting member is positioned at the first position, the feeding member is configured to feed a first sheet supported on the first supporting surface and a second sheet supported on the second supporting surface. In a state where the second supporting member is positioned at the second position, the feeding member is configured to feed the first sheet that is supported on the first supporting surface at a position below the second supporting member.

Abstract: A recording device includes a recording head that performs recording on a medium, a transport belt that sucks and transports the medium at a position facing the recording head, a charging unit that forms a charging sucking area on the transport belt, in which the medium is sucked by charging, by applying a voltage to the transport belt, and a control section that controls the charging unit. A belt downstream roller pair that transports the medium is provided downstream of the transport belt in a medium transport direction. After a downstream end of the medium is nipped by the belt downstream roller pair, the control section controls the charging unit so that an upstream area downstream of an upstream end of the medium, which is an area including the upstream end of the medium, does not come into contact with the charging sucking area of the transport belt.

Abstract: An according to an aspect, a paper feed device includes a device body and a paper feed cassette inserted into the device body along an insertion direction. The paper feed device includes a lock lever mounted to the paper feed cassette via a lever shaft; a spring that applies a rotational force which rotates the lock lever in an engagement direction; and a lock member provided at the device body.

Abstract: An image reading apparatus includes a platen on which a document is to be placed, an image sensor configured to read an image of the document on the platen, an opening/closing member configured to cover and uncover the platen, a document pressing layer disposed on a surface of the opening/closing member and configured to press the document on the plate when the opening/closing member covers the platen, elastic layers located between the document pressing layer and the opening/closing member and spaced apart from each other on a surface of the document pressing layer, and connection layers connecting the elastic layers to the opening/closing member. An area of the elastic layer is larger than an area of the connection layer.

Abstract: An image reading apparatus includes: a document size detector that detects either a length or a width of a fed document before reading, and associates the document with a standard size equal to or approximate thereto; an image reading device that reads a document and surroundings thereof at a reading position; a background color plate to be read as an image of the surroundings; a document area determiner that determines a document area; and a blank page determiner that determines a blank page determination area for determining whether a document is a blank page or not. When either of the detected length or width is equal to or more than a predetermined threshold value, the blank page determiner determines the blank page determination area, based on the associated standard size, and otherwise determines the blank page determination area, based on the document area.

Abstract: An image reading device includes a document tray, a linear conveyance path, a curved conveyance path, a document conveyance device, a scanning device, a length detecting device, an operation device, and a controller. A plurality of conveyance rollers are disposed at a predetermined first interval in the linear conveyance path. In the curved conveyance path, a plurality of conveyance rollers are disposed at a predetermined second interval longer than the first interval. When accepting through the operation device an instruction for conveying an original document through the curved conveyance path, the controller allows conveyance of the original document through the curved conveyance path when a length of the original document detected by the length detecting device is not shorter than the second interval or disallows conveyance of the original document through the curved conveyance path when the detected length of the original document is shorter than the second interval.

Abstract: A scanner includes a reading unit that reads an image of a paper, a medium feeding portion that is capable of selecting a first feeding mode in which a separation feeding for separately feeding a paper bundle in which a plurality of sheets of paper is overlapped with each other is performed and a second feeding mode in which a non-separation feeding for collectively feeding the paper bundle without separating is performed, and a pair of first transporting rollers and a pair of second transporting rollers that transport the paper fed by the medium feeding portion, in a case in which the medium feeding portion feeds the paper in the second feeding mode, a first driven roller and a second driven roller respectively constituting the pair of first transporting rollers and the pair of second transporting rollers are driven in a rotation direction where the paper is transported.

Abstract: An image forming apparatus and an image reading device. The image forming apparatus includes a feeder to feed a recording material, an image forming device to form an image on the recording material fed from the feeder, and an ejection unit to which the recording material on which an image is formed by the image forming device is ejected. In the image forming apparatus, the feeder and the ejection unit are made of a plurality of components, and at least one of the plurality of components of the feeder and the ejection unit disposed near the recording material is made of wood. The image reading device includes a to-be-scanned material feeder to feed a to-be-scanned material, and a reader to read an image on the to-be-scanned material fed from the to-be-scanned material feeder. In the image reading device, the to-be-scanned material feeder comprises a plurality of components.

Abstract: In accordance with an embodiment, an image reading apparatus sets a scan speed corresponding to an operating speed input by the operation panel. The image reading apparatus executes a scan job at the set scan speed. In addition, the image reading apparatus updates a scan counter in accordance with the number of pages of an image read at the set scan speed.

Abstract: An image reading device includes a scanner housing, a pair of hinge mechanisms, and a document conveyance device. The scanner housing includes an engaged portion for positioning provided at a portion of a top surface of the scanner housing located outside of an original glass plate mounted in the top surface of the scanner housing. The document conveyance device includes an engaging portion for positioning engageable with the engaged portion when in the closed position, and is positioned in a plane along a top surface of the original glass plate by engagement of the engaging portion with the engaged portion. In positioning the document conveyance device, the document conveyance device is fixed to the pair of hinge mechanisms to allow the document conveyance device to be adjusted in position in the plane.

Abstract: An operation unit for image forming apparatus is disclosed. The operation unit includes: a bearing portion configured to rotatably support a shaft portion; a restricting portion provided at a position different from that of the bearing portion in an axial direction of the shaft portion, a restricting portion being configured such that when a supporting portion is rotated in a first direction from a first angle toward a second angle, the restricting portion restricts a rotation of the supporting portion in the first direction by abutting a mounting portion at a position where the operation unit forms the second angle; and an abutting portion provided on an opposite side of the restricting portion via the bearing portion in the axial direction, the abutting portion being configured to abut on the shaft portion.

Abstract: An automatic document feeder includes a media path to route media through an image read area for the automatic document feeder, and a media ramp supported along the media path after the image read area, with an end of the media ramp to rotate in a direction transverse to the media path.

Abstract: An image reading apparatus including: a conveyor that conveys a sheet on which an image is formed by an image forming apparatus; a reader that reads the sheet conveyed by the conveyor, by using a contact image sensor; and a first hardware processor that extracts an edge of the sheet by analyzing a read image by the reader, calculates a blur amount of the edge based on the extracted edge, and calculates a curl amount of the sheet based on the calculated blur amount.

Abstract: A sheet conveying device includes a reception processing portion and a conveyance control portion. The reception processing portion receives an input operation to input conveyance route information that indicates which of a first conveyance route, leading to a first discharge portion via a first conveyance path that extends straight from a sheet placement portion, and a second conveyance route, leading to a second discharge portion, which is different from the first discharge portion, via a second conveyance path that includes a curved portion branching off from the first conveyance path, each sheet included in a sheet stack placed on the sheet placement portion is conveyed along. The conveyance control portion sequentially conveys each sheet included in the sheet stack placed on the sheet placement portion along either the first conveyance route or the second conveyance route according to the conveyance route information input through the input operation.

Abstract: An image reading apparatus includes a transport unit which transports a document, and reading units which read an image of the document which is transported. It is assumed that an operation of reading an image when specific setting information is not input to a control device of the image reading apparatus is set to a first reading mode, and an operation of reading an image when specific setting information is input to the control device is set to a second reading mode. In this case, in the second reading mode, image data of an image with a resolution which is equal to that in the first reading mode is generated, while causing the reading units to read an image from a document which is transported by the transport device at a lower speed than that in the first reading mode.

Abstract: An image abnormality detecting device includes an image reader, an abnormality detector, a pattern holder, and circuitry. The image reader is configured to read an image on a recording medium. The abnormality detector is configured to detect abnormality of the image based on read information of the image on the recording medium, read by the image reader. The pattern holder has a check pattern and is disposed within a reading area of the image reader. The circuitry is configured to inspect a detecting operation of the abnormality detector based on read information of the check pattern read by the image reader.

Abstract: An image inspection apparatus includes a first reader and a second reader that acquire read images by respectively reading one side and the other side of a sheet having an image printed thereon, a first background material and a second background material provided at positions as the backgrounds of the sheet in reading by the first reader and the second reader respectively, and a hardware processor that acquires sheet outline information from the read images and measures misalignment of the image with respect to the sheet based on the acquired sheet outline information. The hardware processor acquires read images with the first background material and the second background material having different densities, and acquires sheet outline information of one read image by estimating the sheet outline information of the one read image based on sheet outline information of the other of the read images.

Abstract: An image forming apparatus includes a processor configured to: obtain a print job in which setting-tray information is registered, the setting-tray information describing a tray and being specified according to a configuration of a second image forming apparatus, the second image forming apparatus being different from the image forming apparatus; and execute the print job by applying tray information, the tray information corresponding to the setting-tray information of the print job and according with a configuration of the image forming apparatus.

Abstract: An image forming apparatus includes an image forming unit, an output unit, a light source, and a processor. The image forming unit creates a printed material by forming an image on paper. The output unit outputs the printed material to an output tray. The light source is provided such that lit light is viewable from outside the image forming apparatus. The processor is configured to receive specification of a period during which the light source is not to be lit, receive an instruction to create the printed material, and perform control such that in a case where the printed material is output in accordance with the instruction at a time outside the period, the light source is lit, whereas in a case where the printed material is output during the period, the light source is not lit during the period and then starts to be lit when the period ends.

Abstract: A sheet conveyance apparatus includes a sheet supporting tray to support a sheet, a sheet conveyance unit to convey the sheet supported on the sheet supporting tray, a first detection sensor to detect the supported sheet at a first detection position, and a second detection sensor to detect the supported sheet at a second detection position farther from a center of the sheet supporting tray in a sheet width direction than the first detection position. In addition, a control unit controls the sheet conveyance unit in a first mode in a case where the first and second detection sensors detect the sheet, and controls the sheet conveyance unit in a second mode in which a sheet conveyance speed is slower than that of the first mode in a case where the first detection sensor detects the sheet and the second detection sensor detects no sheet.

Abstract: An image inspection apparatus includes a first reader and a second reader that acquire read images by respectively reading one side and the other side of a sheet having an image printed thereon, a first background material and a second background material provided at positions as the backgrounds of the sheet in reading by the first reader and the second reader respectively, and a hardware processor that acquires sheet outline information from the read images and measures misalignment of the image with respect to the sheet based on the acquired sheet outline information. The hardware processor acquires read images with the first background material and the second background material having different densities, and acquires sheet outline information of one read image by estimating the sheet outline information of the one read image based on sheet outline information of the other of the read images.

Abstract: A sheet folding apparatus includes: a conveying roller conveying a sheet in a predetermined conveying direction; a folding roller pair disposed downstream of the conveying roller in the conveying direction and rotating while nipping a predetermined position of the sheet to form a fold; a conveying path for conveying the sheet in the conveying direction from the conveying roller to the folding roller pair; an abutting member moving downstream in the conveying direction and abutting against the predetermined position of the sheet to bend the sheet downstream; and a loop space where the sheet is bent between the conveying roller and folding roller pair in a direction crossing the conveying direction. The folding roller pair stops while nipping a front end of the sheet fed from to form a loop of the sheet in the loop space, and the abutting member moves to abut against the loop.

Abstract: An image reading apparatus, including a feed tray, a conveyance guide, a conveyer, a reading sensor, a first housing, a first driving source, a first driving train, a second driving source, and a second driving train, is provided. The first housing accommodates at least the conveyance guide and the conveyer and has a first outer face and a second outer face facing opposite to each other in a widthwise direction. The first driving source and the first driving train are accommodated in the first housing on a side toward the first outer face. The first driving train transmits a driving force from the first driving source to the conveyer. The second driving source and the second driving train are accommodated in the first housing on a side toward the second outer face. The second driving train transmits a driving force from the second driving source to the movable plate.

Abstract: A feeding apparatus includes a stacking portion, a regulating portion, a moving portion, and a detection unit. The regulating portion abuts, in a width direction, one side of stacking portion sheets having different widths and regulates movement of the sheets in the width direction. The detection unit detects a position of the moving portion in an intersecting direction. The regulating portion includes an abut portion. By abutting or not abutting the abut portion, the moving portion moves to a first position and a second position. When the moving portion moves to the first position or the second position in a predetermined proceeding direction, the moving portion does not move from the first position or the second position while the regulating portion takes a position where the regulating portion further moves in the predetermined proceeding direction.

Abstract: In a reading device, a controller performs: detecting occurrence of a double-feed; executing a double-feed process; detecting a state of double-fed sheets; executing a first process when a command is inputted; and executing a second process when the command is not inputted. The double feed process includes: halting conveyance of an original document; and making notification of the occurrence of the double-feed. The first process performs, in accordance with the command, one of: resuming the conveyance of the original document; and quitting the conveyance of the original document. The second process performs, in accordance with a determination result, one of: resuming the conveyance of the original document; and continuing the halting and the making. The resuming is performed when the determination result indicates that the conveyance of the original document is possible. The continuing is performed when the determination result indicates that the conveyance of the original document is impossible.

Abstract: A system for extending a printer output and a printer output allows a printer to hold longer pieces of paper. The system includes a base, an extension arm, a support stand, a crossbar, a desktop printer, and an output extension clip. The base provides a structural platform to hold pieces of paper. The extension arm provides a lengthening element to hold longer pieces of paper if the base is not long enough. The support stand provides a structural reinforcement which maintains the system in a raised position from a table surface or similar. The crossbar provides a structural reference bar which is used to attach the support stand to the base. The desktop printer includes an input tray and output paper catch. The base attaches to the input tray to extend the input tray. The output extension clip attaches to the output paper catch to extend the output paper catch.

Abstract: An image reading apparatus includes a transport unit which transports a document, and reading units which read an image of the document which is transported. It is assumed that an operation of reading an image when specific setting information is not input to a control device of the image reading apparatus is set to a first reading mode, and an operation of reading an image when specific setting information is input to the control device is set to a second reading mode. In this case, in the second reading mode, image data of an image with a resolution which is equal to that in the first reading mode is generated, while causing the reading units to read an image from a document which is transported by the transport device at a lower speed than that in the first reading mode.

Abstract: An image reading device includes a tray having a document, first and second rollers, a reading unit to read a document image of the conveyed document at a reading position, and a controller to selectively execute first and second controls. In the first control, the controller changes a drive speed of the first and second rollers from a first to a second speed faster than the first speed after the document reaches the first roller and before the document passes through the reading position, and changes the first and second rollers drive speed from the second to the first speed after the document reaches the second roller and before the image is completely read. In the second control, the controller maintains the first and second rollers drive speed in a section from a position where the document reaches the first roller to a position where the image reading completes.

Abstract: The present subject matter relates to scanning of objects. A device enabling scanning of objects includes an imaging unit to scan objects and a supporting unit to support the imaging unit on an electronic device. The supporting unit includes a supporting leg that forms a rotatable joint with the imaging unit to enable the imaging unit to fold over the supporting leg. The supporting unit also includes a coupling unit to detachably couple the device to the electronic device.

Abstract: An image reading apparatus includes an image sensor, a document feeder, and a processor. The document feeder includes a first driving device, a second driving device, a third driving device, a first sensor, and a second sensor. The first driving device includes a pick-up member to move documents from a tray to a document conveying path using a driving force through a first clutch. The second driving device is to move the tray with the documents to a side of the pick-up member using a driving force through a second clutch. The third driving device to move the documents along the document conveying path onto the image sensor using the driving force of the motor The first and second sensors detect the documents on the document conveying path. The processor controls an operation of the first clutch based on the signals of the first and second sensors.

Abstract: Image forming apparatus have a plurality of models including a common control board and different in number of electrical components used. The image forming apparatus includes a wire harness including: a third connector removably connected to a first connector provided to the control board; fourth connectors removably connected to second connectors provided to the electrical components; and a plurality of cables connecting the third connector and the fourth connectors. In all of the plurality of models, cables are connected to pins located at both ends of the third connector. In a model in which the number of the plurality of cables is smaller than the number of pins of the third connector, pins of the third connector to which the plurality of cables are not connected are arranged at a central portion in a longitudinal direction of the third connector or near the central portion.

Abstract: An image forming apparatus includes a main unit, a unit coupling part, a document reading unit, and a correction mechanism. The unit coupling part includes a rear side coupling part and a pair of lateral side coupling parts whose rear end portions are coupled to the rear side coupling part. The document reading unit is supported by the unit coupling part in an openable and closable manner. The correction mechanism corrects a position of the pair of lateral side coupling parts with respect to the document reading unit in a facing direction where the lateral side coupling parts face each other, by closing the document reading unit.

Abstract: An image processing apparatus includes a reading unit and a controller. The reading unit radiates light to a target from two directions with different angles and reads images of the target. The controller performs, when controlling the reading unit to acquire the two images of the target, control such that a resolution of the image read by radiating the light to the target from one of the two directions is lower than a resolution of the image read by radiating the light to the target from the other one of the two directions.

Abstract: An image scanner is configured to perform: controlling the sheet feed roller to feed the document supported on the sheet feed tray, controlling the conveyor to convey the fed document to the reading position, controlling the image sensor to read the image of the document at the reading position, and controlling the sheet discharge unit to discharge the read document to the sheet discharge tray; in response to detecting, by the sheet feed sensor, a state change from the first state to the second state, moving the movable plate upward until the sheet feed roller changes from the second state to the first state; after moving the movable plate, controlling the distance sensor to detect the document distance; and moving the sheet discharge unit vertically based on the detected document distance.

Abstract: Organizations and educational institutions are turning towards digitization of their examination processes. The existing devices are costly, time consuming and insecure for scanning the answer sheets. A device for performing secure and automatic flipping and scanning of documents has been provided. The device is configured to be assembled in the form of a box. The device comprising a scanning stand, a page flipping arm, one or more suction cups, one or more rollers, a controller and a mobile device. The controller is configured to control the operation of the scanning stand, the page flipper arm and the roller. The mobile device further comprises a mobile application which is further configured to control controller. The device further configured to scan the handwriting of a candidate to avoid malpractice during the examination.

Abstract: An inclination detecting device includes processing circuitry. The processing circuitry is configured to detect, in image information that is an image of an object imaged by an imaging device at an imaging position where a background member forms a background, a first boundary between the background member and a shadow of the object; detect a second boundary between the object and the shadow of the object in the image information; and detect an inclination of the object in the image information from the first boundary and the second boundary detected by the processing circuitry.

Abstract: A receiver includes a first data slicer circuit and a radio interference detector circuitry. The first data slicer circuit is configured to generate a second data signal according to a first data signal. The radio interference detector circuitry is configured to generate first estimated information according to the first data signal, to generate second estimated information according to the second data signal, to generate third estimated information according to the first data signal and the second data signal, and to detect a radio interference signal according to the first estimated information, the second estimated information, and the third estimated information.

Abstract: An inclination detecting device includes processing circuitry. The processing circuitry is configured to detect, in image information that is an image of an object imaged by an imaging device at an imaging position where a background member forms a background, a first boundary between the background member and a shadow of the object at detection positions in at least one of main-scanning and sub-scanning directions on an outline of the object; detect a second boundary between the object and the shadow of the object at detection positions in at least one of the main-scanning and sub-scanning directions on the outline of the object in the image information; detect a boundary group including detection results of the second boundary at the detection positions; and detect an inclination of the object in the image information from detection results of the first boundary, the second boundary, and the boundary group.

Abstract: A document reading device includes an image reading part, a document conveying part, an operation display part including a display device and receiving operation input, a double feed detecting part detecting double feed of a conveyed document, and a controlling part. In conveyance reading for documents, when double feed is detected from a double feed document, the controlling part stops the conveyance reading for a following document following to the double feed document. In re-reading for the double feed document, the controlling part displays, on the display device, urging to place the double feed document onto the document conveying part and sets a double feed detection function to OFF. After re-performing the conveyance reading for the double feed document, in restarting the following document, the controlling part sets the double feed detection function to ON and restarts the conveyance reading for the following document.

Abstract: There is provided an ink-jet recording apparatus including: a first transporting portion provided in a first transport path; a support member configured to support the sheet; a recording portion; a plurality of contact portions configured to come into contact with the sheet; a plurality of support ribs; a second transporting portion provided in a second transport path connected with the first transport path; and a third transporting portion configured to sandwich and transport the sheet in the first transporting direction or toward the second transport path. On the upstream side to the second transporting portion in the second transporting direction, a projecting portion is formed with the upper guide member to project toward the lower guide member below a virtual line linking a nip position of the sheet due to the third transporting portion with another nip position of the sheet due to the second transporting portion.

Abstract: An information control apparatus controls a printer apparatus. The printer apparatus includes a loader which stacks and loads sheets fed from a sheet feeder and then printed. The information control apparatus includes a controller. In a case in which printing performed by the printer apparatus is stopped and is then restarted, the controller performs control so that a sheet which will protrude from other sheets when being loaded in the loader will be fed from the sheet feeder and be loaded in the loader as a sheet to be inserted to indicate a restart position.

Abstract: Provided is an image reading device includes a document transport device that sequentially transports a plurality of documents one by one, and the image reading device sequentially reads the plurality of documents transported by the document transport device one by one. The image reading device includes a document discharge tray, a document discharge detector that detects whether or not a document of the plurality of documents is discharged to the document discharge tray, a notifier that notifies that the document of the plurality of documents discharged to the document discharge tray is forgotten to take, and a controller that activates the notifier if it is determined that a last document among the plurality of documents is read and the document discharge detector detects that the document of the plurality of documents is discharged to the document discharge tray.

Abstract: An image reading apparatus, including a feed tray, a conveyance guide, a conveyor, a reading sensor, a first housing, a first driving source, a first driving train, a second driving source, and a second driving train, is provided. The first housing accommodates at least the conveyance guide and the conveyor and has a first outer face and a second outer face facing opposite to each other in a widthwise direction. The first driving source and the first driving train are accommodated in the first housing on a side toward the first outer face. The first driving train transmits a driving force from the first driving source to the conveyor. The second driving source and the second driving train are accommodated in the first housing on a side toward the second outer face. The second driving train transmits a driving force from the second driving source to the movable plate.

Abstract: An image forming apparatus has an image reading portion sequentially generating image data of pages, a printing portion sequentially printing, a discharge portion sequentially discharging printed sheets, and a control portion making the discharge portion discharge the printed sheets to a set discharge position. The control portion detects the page numbers of a precedent read page and of a subsequent read page and sets, when the page numbers are not consecutive, the discharge position of the printed sheet corresponding to the subsequent read page to a different position from the discharge position of the printed sheet corresponding to the precedent read page.

Abstract: A transfer device includes a transfer section that nips a recording medium between the transfer section and an image carrier, which carries an image on a surface thereof, with a variable pressure and that transfers the image on the image carrier to the recording medium; and a transport section that transports the recording medium while the recording medium passes through a transfer region between the image carrier and the transfer section. The transport section transports the recording medium with a first transport ability when the pressure is a first pressure and with a second transport ability that is lower than the first transport ability when the pressure is a second pressure that is higher than the first pressure.

Abstract: An image reading device includes an image reading unit that reads an image while moving in a sub-scanning direction, a casing that houses the image reading unit, a supporting member attached to a lower surface of the casing and having a pair of inclined surfaces that are inclined bilaterally symmetrically outward in a direction intersecting the sub-scanning direction while extending downward, and a guiding member provided in contact with the supporting member and extending in the sub-scanning direction, the guiding member guiding the supporting member movably relative to the guiding member.

Abstract: A particle collecting device includes an ozone exhaust path and an electrostatic filter. The ozone exhaust path is configured to exhaust ozone generated by an ozone generation device. The electrostatic filter is in a course of the ozone exhaust path.

Abstract: A printer extension kit that modifies a printer to receive and output longer pieces of paper. The printer extension kit includes an input extension part and an output extension part. The input extension part allows a printer to receive longer pieces of paper. In more detail, the paper tray of a printer is extended by the input extension part allowing the printer to hold longer pieces of paper. The input extension part is attached to the paper tray of a printer. The output extension part allows a printer to output longer pieces of paper. In more detail, the output extension part prevents longer pieces of paper from falling of the catch tray of a printer. The output extension part is attached into the catch tray of a printer.

Abstract: An image reading apparatus, includes: a supply tray; a discharge tray; a conveyance guide; a reading sensor; a discharge unit, which includes a discharge opening to discharge the sheet conveyed by the conveyance guide to the discharge tray and is configured to move from a third position to a fourth as the document supported by the paper feed tray is decreased, the fourth position being higher than the third position; a first drive source, which generates a drive force; a first rotation body, which moves the movable plate by transmitting the drive force from the first drive source to the movable plate; and a second rotation body, which moves the discharge unit by transmitting the drive force from the first drive source to the discharge unit, wherein a diameter of the first rotation body and a diameter of the second rotation body are different from each other.