Abstract: A duplex scanning apparatus includes a sheet feeding tray, a sheet pick-up roller and a sheet separation roller. The sheet feeding tray includes a first opening and a second opening. The sheet pick-up roller and the sheet separation roller are partially received in the first opening and the second opening of the sheet feeding tray, respectively, so that the sheet pick-up roller and the sheet separation roller are sustained against documents on the sheet feeding tray. For performing duplex scanning operations on the stack of paper sheets, the documents are successively scanned from the bottommost paper sheet to the uppermost paper sheet. As a consequence, the scanned documents are stacked in the discharging tray in the same order as that of the original stack.

Abstract: An image forming apparatus including a conveying unit for conveying a document, on which an image is recorded, along a predetermined conveying path, a scan unit that is disposed on the conveying path of the document for scanning the image recorded on the document, and a control unit for controlling the conveying unit and the scan unit. The control unit includes a main circuit board that controls operations of the scan unit and converts the scanned image into digital image information, and a sub-circuit board that controls operations of the conveying unit, and wherein the sub-circuit board includes a high voltage signal area on which a high voltage signal is routed, and a low voltage signal area on which a low voltage signal is routed.

Abstract: A paper feeding mechanism for carrying a paper passing through a scanning station having a scanning module includes a partition, a paper transporting device, and a switching member movably disposed corresponding to one end of the partition. A first paper feeding channel is formed between the partition and the scanning station, and a second paper feeding channel is formed on another side of the partition. The paper transporting device carries the paper passing over the side of the partition through the first paper feeding channel with a first page of the paper facing the scanning module. Then, the paper is flipped for a second page of the paper facing the scanning module. The switching member can be selectively moved for guiding the paper passing through the first paper feeding channel or the second paper feeding channel.

Abstract: A document transport apparatus includes a sheet feeding device for feeding a document from a sheet feeding tray; a transport device for receiving the document from the sheet feeding device and transporting the document to a predetermined position on a platen of an image reading apparatus; a sheet discharging device for discharging the document to a sheet discharging tray; a switch back path for turning the document upside down and reversing a front end and a rear end thereof, and for subsequently guiding the document to the sheet discharging device; and sheet discharging path for turning the document upside down, and subsequently guiding the document to the sheet discharging device. A control device controls such that the document is transported to the switch back path and returned from the switch back path to the platen via the sheet discharging path.

Abstract: A simplex and duplex continuous automatic document feeder includes a sheet input tray in which a sheet is placed before the sheet is fed, a first sheet output tray in which the sheet, after being fed, is placed, an image processing region in which the sheet is processed, a sheet input passageway communicating the sheet input tray with the image processing region, a turning passageway having a front end and a rear end both communicating with the image processing region, a sheet output passageway communicating the image processing region with the first sheet output tray, and a sheet-feeding mechanism for transporting the sheet from the sheet input tray to the first sheet output tray across the image processing region.

Abstract: An image reader has an original tray for feeding an original from a bundle of originals, a first transport passage for transporting the original fed by the original tray, a scanner for reading an image on one side of the original from one side of the transported original, and a CIS for reading an image on the other side of the original from the opposed side to the one side of the transport passage. To read both sides of an original, the image reader is provided with a mode of reading both sides simultaneously using the scanner and the CIS and a mode of reading both sides of the original only by the scanner with the original reversed using a third transport passage, a fourth transport passage, and a fifth transport passage without using the CIS.

Abstract: A document image scanning device includes two scanning units provided along a document transportation path for scanning both sides of an original document. A plurality of transportation systems are classified into a first transportation system upstream of a first scanning unit and a second transportation system located front and back of first and second scanning units. The first and the second transportation systems are driven by first and second drive transmitting units, respectively. The first and the second drive transmitting units are distributed from an output shaft of one motor to transmit a driving force.

Abstract: A duplex scanning device includes a casing, a transporting mechanism, a scanning unit and a scanning unit rotating mechanism. The transporting mechanism transports a sheet along a transporting passageway, which includes a front passageway, a middle passageway and a rear passageway. The scanning unit rotatably mounted on the casing scans the sheet in the middle passageway. The transporting mechanism transports the sheet from the front passageway to the rear passageway through the middle passageway so that the scanning unit scans a front side of the sheet. Then, the scanning unit rotating mechanism rotates the scanning unit by substantially 180 degrees. Next, the transporting mechanism transports the sheet from the rear passageway to the front passageway through the middle passageway so that the scanning unit scans a back side of the sheet.

Abstract: In an image reading apparatus having a first original reading device for reading one side of an original guided and fed by a guide, and a second original reading device disposed downstream of the first original reading device for reading the other side of the original, the guide is bent between the first original reading device and the second original reading device so as to shield the respective reading devices. The bending of the guide is done by bending an original feeding path so that direct rays and diffraction rays from each of two light sources may not enter respective photoelectric transfer elements associated with other light source, to thereby shield the photoelectric transfer elements from light of a light source not associated therewith.

Abstract: Original sheets in which both-side image information and one-side image information exist mixedly can be efficiently and certainly transmitted without an erroneous operation. A CPU discriminates the presence or absence of effective image information in images on both sides of the original sheets read by a reading circuit. In a both-side transmitting mode, the CPU selectively determines whether a both-side transmitting procedure is used or a one-side transmitting procedure is used, for transmission of the image information for each transmission of one original sheet, in accordance with a result of the discrimination. In the both-side transmitting procedure, control information such as page number, information regarding the front or reverse side of the original sheet, and the like is transmitted to a receiver station, for each side of the original sheet.

Abstract: The invention concerns image-recording apparatus, which records an image onto a sheet-film. The image-recording apparatus includes a mainframe; a main/sub-scanning unit that includes a main-scanning unit to expose a light-beam onto a sheet-film by scanning the light-beam in a main-scanning direction and a sub-scanning unit to convey the sheet-film in a sub-scanning direction; and a supporting member to mount and support the main/sub-scanning unit onto the mainframe at a supporting position. The height of the supporting position is substantially the same as that of a center of gravity of the main/sub-scanning unit. The sub-scanning unit is detachably integrated with the main-scanning unit to form the main/sub-scanning unit.

Abstract: A device for use with a copier to make copies of both sides of a document or other objects in a single pass. The device is configured to rest on a copier platen without being attached to the platen and without deriving power from the copier. A document holder in the form of a pair of plates joined by a hinged connection is opened for insertion of a document to be copied. The holder is pivotally attached to a base member and spring-biased to rotate from a first to a second position above the copier platen. As a copier scanner moves beneath the holder temporarily latched in its first position, a first side of the document is scanned. A sensor then causes automatic release of the holder permitting it to swing to its second position for scanning its second side as the holder moves to its second position.

Abstract: An image reading apparatus for reading indicia on the front and back surfaces of a document using two image sensors includes a document detection sensor to detect the document, a first image sensor for reading an image on one surface of the document, a second image sensor for reading an image on the other surface of the document, and a controller. The controller starts to read the image data from the first and second image sensors when prescribed amounts of time have passed after the document detection sensor detects the leading edge of the document, and stops the reading of the image data from the image sensors. The structure provides a lightweight and compact apparatus while reducing image noise caused by the mutual interferences of the light sources in reading the image data.

Abstract: An image reading apparatus has a reading mode to read an image on a still document, and a reading mode to read an image on a moving document, and includes a first reading device to read one surface of the still document at a first reading station and a document moving at a second reading station, and a second reading device for reading the other surface of the document moving at a third reading station. The first, second and third reading stations are arranged adjacent to each other along the document transfer direction. A compact and light weight system capable of stable transport of the document and of quality image reading is thereby attained.

Abstract: A sheet supplying apparatus includes a sheet feeding stacker for storing the sheet; a sheet discharging stacker arranged in parallel to the sheet feeding stacker in a vertical direction for storing the sheet; a U-shape conveying path disposed between the sheet feeding stacker to the sheet discharging stacker for guiding the sheet from the sheet feeding stacker to the sheet discharging stacker; a processing platen disposed in the conveying path for processing the sheet; a separating device for separating the sheet on the sheet feeding stacker; a register device for temporarily stopping the sheet and conveying the sheet; a sheet feeding device for conveying the sheet; and a sheet conveying device for conveying the sheet. A sheet discharging device discharges the sheet to the sheet discharging stacker, and an idle roller is disposed in the U-shape conveying path for contacting the sheet to rotate.

Abstract: An ADF (Automatic Document Feeder) of the present invention includes a path for conveying a document from a scanning position, reversing the document to switch it back, and again reversing the document to thereby convey it toward a receipt tray positioned below a feed tray. Another path conveys the document away from the scanning position, reverses the document, and then conveys it to the receipt tray. Two path selectors selectively steer the document to either one of the above two paths. In both of a one-side mode and a both-side mode, the document is driven out of the ADF to the same receipt tray. The ADF promotes rapid conveyance and facilitates the removal of a jamming document.

Abstract: An object of the present invention is to provide an image reading apparatus that has first reading device for reading a first surface of an original, and second reading device for reading a second surface opposite to the first surface of the original, the first reading device and the second reading device being provided on the first surface side and the second surface side, respectively, with the original as a boundary, the second reading device including a light source and a reading member for reading image light from the original irradiated by the light source, the reading member being provided separately from a vertical line passing through the light source.

Abstract: A document sheet conveyance device includes a sheet feeding tray on which document sheets are stacked, a stopping member against which leading edges of the stacked document sheets hit, a sheet feeding member for feeding the document sheets in the order from a top thereof, a separation member for separating a sheet from the fed document sheets and feeding, a stopper provided between the sheet feeding member and the separation member, for preventing the document sheet from moving toward the separation member, a switching member provided downstream of the separation member, for switching a conveyance path of the document sheet, a working member for enabling the stopper to move from a sheet stop position to a sheet releasing position, an interlocking member for moving the working member when the switching member is operated, and a drive member for driving the working member.

Abstract: An image reading device and an image forming apparatus including the device, include: a multiple number of document trays; a control panel through which each of the multiple document trays can be designated to be used as a dedicated tray for a usage mode and which can provide the condition display corresponding to each of the usage modes; and a controller which, when a document or documents are placed on one of the dedicated trays, automatically presents on the control panel the condition display for the usage mode of the dedicated tray.

Abstract: Establishing a reading station for reading images on an document disposed in a transport path between paired transport rollers and paired discharge rollers to sequentially feed documents on a sheet supply tray enables a compact device and arranging a detection sensor that detects the trailing edge of an document to detect the discharge thereof to a discharge tray at a position on the discharge tray side from the pressing point of the paired discharge rollers, and the positioning of a detection sensor to detect the leading edge of an document to control the start of reading documents, at a position upstream of the transport roller prevents distortion of the document and enables the certain detection of documents.

Abstract: An image read from a document is analyzed to check whether the image includes a guide information at a predetermined position of the image. The guide information represents, for example, a layout of the document on the paper. The direction of a paper on which the image read is to be formed on a paper is adjusted based on the guide information included in the image. Thus, an operator is not required to adjust the direction of the paper. The guide information may include information such as whether the image is to be formed on both sides of the paper.

Abstract: An image forming apparatus capable of combining image data representative of images carried on both sides of a duplex document of the present invention includes a reading device for reading the images on both sides of the document. Data derived from the images of both sides of the document are written to a storage and then combined to produce combined image data. An image forming device forms a composite image in accordance with the combined image data.

Abstract: A sheet conveying apparatus has a conveyor for conveying a sheet to a prescribed position, a pair of reverse-discharge rotating members capable of rotating forward and reverse for feeding the sheet to the conveyor by switchback and an electricity removal unit for removing electricity from the conveyed sheet. The switchback serves to feed a sheet having a maximum conveyable length from the pair of reverse-discharge rotating members to the conveyor and the electricity removal unit is arranged downstream in a sheet discharging direction from a cross over position for a front edge of the sheet and a back edge of the sheet during discharge of the sheet, and at a downstream side to the sheet discharging direction of the pair of reverse-discharge rotating members.

Abstract: An image reader has an original tray for feeding an original from a bundle of originals, a first transport passage for transporting the original fed by the original tray, a scanner for reading an image on one side of the original from one side of the transported original, and a CIS for reading an image on the other side of the original from the opposed side to the one side of the transport passage. To read both sides of an original, the image reader is provided with a mode of reading both sides simultaneously using the scanner and the CIS and a mode of reading both sides of the original only by the scanner with the original reversed using a third transport passage, a fourth transport passage, and a fifth transport passage without using the CIS.

Abstract: An image reading apparatus for reading originals, which is transported one at a time, at a predetermined reading station is provided with a first reading station for reading one side of the originals at a bottom of a U-shaped transport path for guiding the originals from a document supply tray to a discharge tray and a second reading station for reading the other side of the originals in a straight portion of a discharge tray for stable reading of the originals. A guide unit forming the second reading station is detachable from below to improve maintainability, and is equipped with an adjustment device for easy adjustment of inclination of the reading unit for reading the originals that pass through the second reading station.

Abstract: Images are formed in the S-D and D-D modes and sheets of recording paper after image formation are arranged in accordance with the order of pages. A document of an odd-numbered page placed on a paper feeding tray in a document transport part is fed to an image reading part and an image is read and stored into a RAM. Subsequently, a document of an even-numbered page is fed and an image is read. A sheet of recording paper housed in a paper feeding cassette is transported to an image forming part and the image is formed on one of the surfaces of the sheet of recording paper. Further, the sheet of recording paper is transported to a path, turned upside down, and transported again to the image forming part. The image stored in the RAM is read out and formed on the other surface of the sheet of recording paper. Finally, the sheet of recording paper is transported with the other surface facing downward and ejected to an output tray.

Abstract: An image scanning machine includes a document feeder for feeding sheets into a first paper path from a stack one sheet at a time if a one-side scanning mode is selected. If a both-side scanning mode is selected, a sheet is introduced into a second paper path which is an inverting path that turns a sheet, which is fed from the document feeder, upside down prior to scanning. Rollers located at a downstream end of the inverting path reverse a transportation direction of the sheet and feed the sheet to a scanner through a return path. The transportation direction of the sheet is reversed after the scanner scans one side of the sheet, and the sheet is then fed to the scanner again to scan the other side of the sheet. This transportation direction reversal results in turning the sheet upside down. A guide member is located a bifurcation of the return path and the inverting path for opening one of the return and inverting paths and closing the other of the return and inverting paths.

Abstract: The invention provides an image reader provided with an automatic document feeder which has a switchback path and can perform a both-faces processing operation, and which makes it possible to simplify the control of a switchback operation and handle a long-sized document sheet without making the diameter of a feed roller large and making the switchback path unnecessarily long. An automatic document feeder of the invention comprises a feed path for feeding a document sheet drawn out from a paper feed stacker to an image reading portion facing a feed roller, a switchback path c for making a document sheet which has been processed at the image reading portion switchback, a pair of switchback rollers which are provided so as to make a document sheet switchback in the switchback path and are able to turn forward and backward, and a paper discharge path for discharging a document sheet being in the switchback path onto a paper discharge stacker.

Abstract: The present invention relates to an original document processing apparatus for conveying and delivering mounted original documents to a prescribed position that includes a conveyance section, an original document delivery section and a reverse-delivery section having a reverse path for looping and reversing the original document conveyed from the conveyance section to return the original document to the conveyance section, a first conveyance path route leading from the conveyance section through the reverse path to the conveyance section, a second conveyance path route branching at midway of the first conveyance path route to the original document delivery section, a third conveyance path route leading from the conveyance section to the original document delivery section. The reverse-delivery section has a first deflector for selectively introducing the original document conveyed from the conveyance section to the first conveyance path route and the third conveyance path route.

Abstract: The invention provides a facsimile apparatus which can perform the re-transmitting operation adapted to receive reception data in a good state on the reception side upon error re-transmission when a both-side document sheet is transmitted. At the time of a facsimile communication, the presence or absence of a both-side reception function is notified from a receiver to a transmitter and the both-side document sheet is designated by a DCS signal from the transmitter to the receiver. When the both-side document sheet is designated by the DCS signal, the front side and the reverse side are sequentially transmitted. When shifting to a one-side document sheet in the middle of the page, the one-side document sheet is designated by the DCS signal by returning to phase B.

Abstract: The present invention relates to an image reading apparatus comprising an original document conveying route, original document conveying mechanism for conveying original documents along the original document conveying route, first reading unit for reading an image on one side of the original document; and second reading unit for reading an image on the other side of the original document. The first reading unit reads an image on one side of the original document while the original document is conveyed in a forward direction at a first speed by the original document conveying mechanism, and then after the original document is conveyed in a reverse direction at a second speed, the second reading unit reads the other side of the original document while the original document is again conveyed in the forward direction. The second speed is faster than the first speed.

Abstract: An image scanning machine includes a document feeder for feeding sheets into a first paper path from a stack one sheet at a time if a one-side scanning mode is selected. If a both-side scanning mode is selected, a sheet is introduced into a second paper path which is an inverting path that turns a sheet, which is fed from the document feeder, upside down prior to scanning. Rollers located at a downstream end of the inverting path reverse a transportation direction of the sheet and feed the sheet to a scanner through a return path. The transportation direction of the sheet is reversed after the scanner scans one side of the sheet, and the sheet is then fed to the scanner again to scan the other side of the sheet. This transportation direction reversal results in turning the sheet upside down. A guide member is located a bifurcation of the return path and the inverting path for opening one of the return and inverting paths and closing the other of the return and inverting paths.

Abstract: An image reading apparatus for reading originals, which is transported one at a time, at a predetermined reading station is provided with a first reading station for reading one side of the originals at a bottom of a U-shaped transport path for guiding the originals from a document supply tray to a discharge tray and a second reading station for reading the other side of the originals in a straight portion of a discharge tray for stable reading of the originals. A guide unit forming the second reading station is detachable from below to improve maintainability, and is equipped with an adjustment device for easy adjustment of inclination of the reading unit for reading the originals that pass through the second reading station.

Abstract: The present invention relates to an original document processing apparatus for conveying and delivering mounted original documents to a prescribed position comprising a conveyance section, an original document delivery section and a reverse-deliver section having a reverse path looping and reversing the original document conveyed from the conveyance section to return the original document to the conveyance section, a first conveyance path route leading from the conveyance section through the reverse path to the conveyance section, a second conveyance path route branching at a midway of the first conveyance path route to the original document delivery section, a third conveyance path route leading from the conveyance section to the original document delivery section. The reverse-deliver section has first deflection means for selectively introducing the original document conveyed from the conveyance section to the first conveyance path route and the third conveyance path route.

Abstract: An image scanning machine includes a document feeder for feeding sheets into a first paper path from a stack one sheet at a time if a one-side scanning mode is selected. If a both-side scanning mode is selected, a sheet is introduced into a second paper path which is an inverting path that turns a sheet, which is fed from the document feeder, upside down prior to scanning. Rollers located at a downstream end of the inverting path reverse a transportation direction of the sheet and feed the sheet to a scanner through a return path. The transportation direction of the sheet is reversed after the scanner scans one side of the sheet, and the sheet is then fed to the scanner again to scan the other side of the sheet. This transportation direction reversal results in turning the sheet upside down. A guide member is located a bifurcation of the return path and the inverting path for opening one of the return and inverting paths and closing the other of the return and inverting paths.

Abstract: An automatic document feeding device is capable of one-side process and double-side process, and includes a paper supply stacker, a paper supply path for transferring a document fed from the paper supply stacker to a sheet processing section, a switchback path for switching back the document processed at the sheet processing section, a paper ejection path for ejecting the document switched back in the switchback path in a reversed condition, and a paper ejection stacker for receiving the document ejected from the paper ejection path. In the double-side process, in accordance with a sheet size of the document to be processed, the device is controlled to switch between a mode wherein only one document is transferred in and ejected from the switchback path and another mode wherein a second document is transferred into the switchback path in the condition that a first document is still in the switchback path.

Abstract: An apparatus for feeding a both-sided document having images on both sides thereof is provided with a document stand; a reading section; a feeder having a feeding passage and to feed the both-sided document from the document stand to the reading section along the feeding passage; a pair of reversing rollers provided on a reversing passage to reverse the both-sided document after an image of the both-sided document is read at the reading section and to reefed the reversed both-sided document from the reversing passage to the feeding passage so that an image on another side of the both-sided document is read at the reading section; a pair of ejecting rollers provided on an ejecting passage and to eject the both-sided document to a delivery section after the images on both sides of the both-sided document are read at the reading section; and a switching mechanism to connect an outlet passage of the reading section to one of the reversing passage and the ejecting passage; wherein one of the pair of reversing roll

Abstract: An image processing device comprising a second side image sensor to determine whether the second side of a document also requires processing. The second side image sensor preferably uses a camera or measures reflected infrared light with an infrared photosensor. The invention relates to a wide variety of image processing devices such as copy machines, facsimile machines, annotators, scanners, printers, etc., which process documents. When the system detects an image or markings on the second side of a document it may merely alert the user or automatically process the second side of the document without additional user interaction.

Abstract: In a printer with a print engine having simplex and duplex sheet printing functions, and simplex and duplex sheet feeding paths, and at least one sheet output path, a plural function module is mounted on top of the print engine. This plural function module provides a document handling unit for feeding original documents to be imaged, and also provides a reversible sheet feeding path operatively communicating with the duplex sheet feeding path of the print engine to provide a space savings printed sheet reversing chute which is outside of the print engine for the duplex printing function. This reversible sheet feeding path in the module is alternately operable unidirectionally to provide an arcuate, inverting, sheet output path to a sheet output stacking tray which may be located on top of the plural function module.

Abstract: A novel device for image-shooting both surfaces of documents at a high rate by an electronic device. The device has an upper transport system for allowing plural documents to descend/move by a pre-set number at a time towards the downstream and an image-shooting device for image-shooting the descending/moving document. Image-shooting can be done simultaneously on both sides or side by side, either during free movement or controlled movement by a transporting device.

Abstract: An inverter for reversing the orientation of a moving sheet includes a drive roller and an idler roller in circumferential contact in at least two positions, with a nip defined in each position.

Abstract: An image scanning machine includes a document feeder for feeding sheets into a first paper path from a stack one sheet at a time if a one-side scanning mode is selected. If a both-side scanning mode is selected, a sheet is introduced into a second paper path which is an inverting path that turns a sheet, which is fed from the document feeder, upside down prior to scanning. Rollers located at a downstream end of the inverting path reverse a transportation direction of the sheet and feed the sheet to a scanner through a return path. The transportation direction of the sheet is reversed after the scanner scans one side of the sheet, and the sheet is then fed to the scanner again to scan the other side of the sheet. This transportation direction reversal results in turning the sheet upside down. A guide member is located a bifurcation of the return path and the inverting path for opening one of the return and inverting paths and closing the other of the return and inverting paths.

Abstract: An image forming apparatus is equipped with a document reading device for reading image data on a document at a reading section; a memory to store the image data therein, the memory capable of storing the image data of plural pages of documents; and an image recording system for recording an image on a recording sheet based on the image data stored in the memory. A recording sheet reversing system receives the recording sheet from the image recording system, wherein the image is recorded on one side of the recording sheet, reverses the recording sheet, and refeeds the reversed recording sheet to the image recording system without stacking the recording sheet, whereby another image is recorded on the other side of the recording sheet by the image recording system.

Abstract: An image formation apparatus provides a method of improving productivity in case of forming images onto both of the faces of a sheet. According to the method, an original is read by the apparatus in the order of its back face and front face sequentially. The read images are formed onto the sheet in the order of front-faced image and back-faced image of the original. Images of three originals D1, D2 and D3 which are read by an image sensor in the order of second, first, fourth, third, sixth and fifth pages are subjected to editing processing by an image processing unit. If the image data of the first page is stored into a hard disk, the image data of the first page (front-faced image of original D1) is formed onto the first face of a fed sheet P1. Subsequently, if the image data of the third page is stored, the image data of the third page (front-faced image of original D2) is formed onto the first face of a fed sheet P2.

Abstract: A method and apparatus of processing sheet media such as document sheets to be duplex scanned or media sheets on which two sided printing is to take place includes automatic positioning of an active sheet guide gate and drag clutch by the rotation of a transport roller with which the active gate and drag clutch is frictionally engaged. The transport roller may comprise one or more coaxial rollers in an assembly positioned in the media path and is rotatable in different directions such that the leading edge of a moving media sheet is moved through one or the other of two nips defined between the transport roller assembly and associated upper and lower pinch rollers. The direction of rotation of the transport roller assembly can be reversed before the sheet leaves the nip to thus re-position the sheet guide gate and re-route the sheet back in a desired path to a scanner or printer for further sheet processing.

Abstract: A two-sided reading-out apparatus and an image forming apparatus including the two-sided reading-out apparatus are capable of simplifying processing at a time of reading out the image respectively for one-side surface reading-out and two-side surface reading-out in an original document, preventing the large-sizing of the apparatus, and avoiding the cost run-up thereof, thereby securing optimum productivity. A first document conveying path extends from a document stand to a contact glass and a second document conveying path extends from the contact glass to a document discharging tray via a fixed reading-out section. The direction of conveying the document is changed over by a changing-over claw. Thus, the image data on the front and rear sides of both surfaces of the document can be read out without being overlapped.

Abstract: A document is fed from a document tray to a reading station. When the document after being read is discharged by way of a discharge path, the document is halted by a control roller for discharging, instead of being discharged completely. That is, the document is discharged only when the read image is recorded on a sheet and the sheet after recording is discharged completely. When the sheet is not discharged and hence an anomaly is detected, the document set on standby at the discharge position is conveyed along an inverting path and conveyance path to a document registration roller in order to allow the document to be fed to the reading station with its image face presented on the reading position.

Abstract: An apparatus for feeding a both-sided document having images on both sides thereof is provided with a document stand; a reading section; a feeder having a feeding passage and to feed the both-sided document from the document stand to the reading section along the feeding passage; a pair of reversing rollers provided on a reversing passage to reverse the both-sided document after an image of the both-sided document is read at the reading section and to reefed the reversed both-sided document from the reversing passage to the feeding passage so that an image on another side of the both-sided document is read at the reading section; a pair of ejecting rollers provided on an ejecting passage and to eject the both-sided document to a delivery section after the images on both sides of the both-sided document are read at the reading section; and a switching mechanism to connect an outlet passage of the reading section to one of the reversing passage and the ejecting passage; wherein one of the pair of reversing roll

Abstract: An automatic document feeding device is capable of one-side process and double-side process, and includes a paper supply stacker, a paper supply path for transferring a document fed from the paper supply stacker to a sheet processing section, a switchback path for switching back the document processed at the sheet processing section, a paper ejection path for ejecting the document switched back in the switchback path in a reversed condition, and a paper ejection stacker for receiving the document ejected from the paper ejection path. In the double-side process, in accordance with a sheet size of the document to be processed, the device is controlled to switch between a mode wherein only one document is transferred in and ejected from the switchback path and another mode wherein a second document is transferred into the switchback path in the condition that a first document is still in the switchback path.

Abstract: An automatic sheet feeder is provided with a controller and the controller is provided with a scanning input and user-controlled inputs. Sheets provided at the feeder are scanned to determine image status with regard to face up/face down orientation and simplex/duplex image presentation. The scanned input compared with pre-established and user-provided data.