Abstract: The check deposit apparatus of the present invention comprises an insertion part that is used to insert a check from outside for deposit, a feed part furnished with a feed roller that feeds the placed check along a feed path, an alignment part furnished with an alignment roller that feeds the check fed from the feed part to one side of the feed path and also aligns it, a check reading part that reads information of the check that has been aligned by the alignment part, first and second sensor groups that judge whether the check inserted into the insertion part has a specification that enables it to be fed and processed toward the alignment part normally, a third sensor group that judges whether the check aligned in the alignment part has a specification that enables it to be read and processed normally in the check reading part, and a control part that judges whether to deposit or return the check in question based on the information sensed by the first and second group or third sensor group.

Abstract: In the present invention, when a status of clogging a paper due to some cause occurs, controls of inverting a conveyance roller and returning the jammed paper in a paper feeding tray is performed. At this time, the position of a paper damming up member is lowered by an actuator when the jammed paper is returned to the paper feeding tray and the conveyance roller is inverted so as to avoid a state in which the paper damming up member 33 hinders the returning of the paper and the paper cannot be returned to the paper feeding tray. The paper damming up member is lowered to a position that is lower than a conveyance guide plate at a downstream side in a paper conveying direction. Then, the paper is returned to the paper feeding tray without damage. The returned paper can be reused.

Abstract: A threshold for detecting a position of a lateral edge of a sheet is more accurately determined, whereby the accuracy of detection of the lateral edge position of the sheet is improved. A line sensor includes a plurality of element blocks. Each element block includes a plurality of pixels. The threshold for detecting the lateral edge position is determined based on a light level and a dark level of signals output from an element block that is actually used to detect the lateral edge position of the sheet.

Abstract: Disclosed herein are an apparatus and method for aligning a bill supplied to a transfer path with a center line of the transfer path. The apparatus includes a fixed support unit which moves a bill in a transfer direction of the transfer path, a movable support unit which is disposed in succession to the fixed support unit and is provided so as to be movable in a lateral direction of the transfer path, a bill position sensor which senses the position of the bill that moves on the fixed support unit and the movable support unit, and a controller which is controls a lateral displacement of the movable support unit in response to information about the position of the bill, thus aligning the bill with the center line.

Abstract: A sheet conveying apparatus irradiates a conveyed sheet with light from a light source to receive reflected light by a line sensor and detects a side edge position of the sheet based on an output of a reading pixel of the line sensor. The reading pixel within a predetermined range facing the sheet in the line sensor is determined to be used for light quantity adjustment of the light source based on a size in a width direction orthogonal to a sheet conveying direction, and the light quantity of the light source is adjusted based on the output of the determined reading pixel. A threshold value for detecting the side edge position of the sheet is determined based on outputs of reading pixels within the region facing the sheet and outputs of the reading pixels within the region not facing the sheet in the line sensor.

Abstract: A system can include an input for receiving objects having a flat shape; a capacitance sensing network comprising a plurality of capacitance sensors positioned to be proximate to the received objects; an operations section coupled to the capacitance sensing network and configured to perform predetermined operations on the objects; and a processor section coupled to receive capacitance sense values from the capacitance sensors and configured to determine the presence and features of received objects, prior to the objects being forwarded to the operations section.

Abstract: An image forming apparatus includes a transfer unit configured to transfer an image to a recording material, a fixing unit configured to fix, to the recording material, the image transferred to the recording material, a first curvature detection unit located between the transfer unit and the fixing unit and configured to adjust an amount of curvature of the recording material to a first amount of curvature, and a second curvature detection unit located between the transfer unit and the fixing unit and configured to adjust the amount of curvature of the recording material to a second amount of curvature, wherein the second curvature detection unit is located in a position different from the first curvature detection unit in a width direction orthogonal to a conveyance direction of the recording material.

Abstract: An image reading apparatus includes a first housing, a second housing, a document conveyance path, a transparent member, a guide member, a transparent sheet member and a first pressing member. The second housing is openable and closable with respect to the first housing. The document conveyance path is arranged in the second housing and conveys a document passing through a first position. The guide member is arranged on the transparent member at a side downstream of the first position. The transparent sheet member is arranged on the transparent member to cover the first position. The first pressing member is arranged to cover a part of the transparent sheet member upstream of the first position from above and presses the transparent sheet member. An end portion of the first pressing member is arranged inwardly of an end portion of the transparent sheet member in the main scanning direction.

Abstract: A reflection plate is integrally formed with a medium guide placed on a side opposite a side on which a reflective photosensor is placed with a conveying path of banknotes between. Light emitted from a light emitting portion of the reflective photosensor is reflected from the reflection plate at the time of the absence of the banknotes so as not to directly return to the reflective photosensor. This prevents the reflective photosensor from erroneously detecting the medium guide at the time of the absence of media on the basis of light reflected from the medium guide. The medium guide and the reflection plate are integrally formed. Accordingly, additional parts or additional assembly is not required and a low-cost medium detector can be realized.

Abstract: An image forming apparatus includes: a recording medium conveying mechanism configured to convey a recording medium; a registration roller configured to correct the direction of the recording medium; a first sensor set upstream in a recording medium conveying direction of the registration roller; an image forming section configured to form an image on the conveyed recording medium; and a lateral shift correcting apparatus set downstream of the image forming section and configured to correct the position of the recording medium in an oblique direction by an angle corresponding to a lateral shift amount of the recording medium detected by the first sensor.

Abstract: An image recording apparatus including a sheet supplier configured to supply a recording medium, a first conveyor configured to convey the recording medium supplied from the sheet supplier in a conveying direction, and a recording portion configured to record an image on the recording medium conveyed by the first conveyor may further include a controller configured to detect an orientation of the recording medium with respect to the conveying direction while the recording medium is conveyed and change a conveying speed of the recording medium conveyed by the first conveyor depending on the detected orientation of the recording medium.

Abstract: A sheet feeding apparatus which includes a sheet loading tray for stacking sheets; a suction and conveyance section which is placed above stacked sheets on the sheet loading tray and sucks and conveys a sheet in the sheet conveying direction; an air blowing section which blows air at the stacked sheets on the sheet loading tray and causes the sheet to float up; and a skew correction section which corrects a skew of the sheet conveyed by the suction and conveyance section.

Abstract: An image forming apparatus acquires sheet information indicating paper weight or the like of a transported sheet of paper. The apparatus also has a control portion and shifts a reference position which has been previously set to a direction orthogonal to a transporting direction of the sheet of paper based on the paper weight or the like of the transported sheet of paper. A deviation sensor detects a deviation of the sheet of paper with regard to the shifted reference position along the direction orthogonal to the transporting direction of the sheet of paper. A sheet shift portion shifts the sheet of paper to the shifted reference position based on the deviation detected by the deviation sensor.

Abstract: According to aspects illustrated herein, a system, a printmaking device, and a method for pre-curling and registering media are provided herein. The system includes a media curler system and a deskew mechanism. The media curler system pre-curls at least one of lead edge and a trail edge of a sheet before delivery to a media hold-down transport. The deskew mechanism is coupled to the media curler system for pivoting the media curler system about a pivot axis to deskew the sheet. The pivot axis extends perpendicular to the media transport path. In operation, as the lead edge enters the pre-curling and registration system, the media curler system pre-curls the sheet towards the media hold-down transport. As the sheet is being pre-curled, the deskew mechanism pivots the media curler system about the pivot axis to correct any skew errors in the sheet.

Abstract: An image processing apparatus includes a reading part configured to optically read skew amount measurement patterns and opposite ends of a paper sheet; an image skew amount detecting part configured to detect skew amounts on a color basis based on the skew amount measurement patterns; a paper sheet skew amount detecting part configured to detect a skew amount of the paper sheet based on a displacement between the opposite ends of the paper sheet; a skew correction amount calculating part configured to calculate skew correction amounts of the respective colors based on the skew amounts; and a skew correcting part configured to shift the images to correct the skews by recording input image data in plural lines of a line memory, dividing the input image data into plural areas in a main scanning direction, and setting line delay amounts on an area basis based on the skew correction amounts.

Abstract: A paper processing apparatus equipped with a paper transferor for sequentially transferring paper sheets while maintaining a predetermined interval between a certain paper sheet and the next paper sheet; a paper position detector for detecting the position of a paper sheet; a plurality of processors for performing processing for the paper sheet; an information reader for reading information relating to processing to be performed for the paper sheet; and a controller for controlling operations relating to the paper transferor, the paper position detector, the plurality of processors, and the information reader, wherein upon judging that the certain paper sheet has passed through a certain processor, the controller carries out control to adjust the widthwise position of the certain processor so as to be adapted for the processing for the next paper sheet.

Abstract: A medium transporting device includes: a transporting path; a contacted member that is provided on the transporting path to be movable in a medium width direction orthogonal to a medium transporting direction; a line-up member on the transporting path that lines up a position of the medium by sending the medium transported on the transporting path to the contacted member to bring the end of the medium in the medium width direction into contact with the contacted member; a displacement amount calculation unit that sets on a downstream side of the line-up member in the medium transporting direction, and calculates a misregistration amount of the medium in the medium width direction; and a contacted position control unit that controls a position of the contacted member by moving the contacted member in a direction of reducing the misregistration amount.

Abstract: A sheet conveying device that makes it possible to perform printing at high speed with high accuracy by easily correcting skew of a sheet, such as an index tab sheet, without requiring troublesome operations. Sheet detection sensors for detecting a sheet and skew correction rollers for conveying the sheet are disposed in a direction crosswise to a conveying direction of the sheet. A skew correction drive controller measures a leading edge detection time between respective detections of a leading edge of the sheet by the sensors, and controls the conveying speeds of the skew correction rollers independently of each other such that a skew represented by the leading edge detection time is corrected. If the leading edge detection time is not smaller than a predetermined threshold value, the skew correction drive controller reduces a skew correction amount for correcting the skew by a predetermined amount.

Abstract: The present sheet processing apparatus determines whether or not a received job includes a setting for executing an alignment process, and if the alignment process is set to be executed, performs control to execute the alignment process.

Abstract: A reference member which regulates a position of one side end of a sheet along the sheet conveying direction is provided at one side of a sheet conveying path in the width direction so as to follow the sheet conveying direction and to be rotatable about its downstream end portion in the sheet conveying direction. Then, one side end of the sheet is skew-conveyed toward the reference member by a plurality of pair of skew-conveying rollers which is arranged in the sheet conveying path along the sheet conveying direction. Then, when forming an image on both faces of the sheet, a control portion rotates the reference member so that the sheet is displaced to the center side in the sheet conveying path compared to the case of forming an image on one face of the sheet.

Abstract: A printing system includes one or more lineheads that jet ink onto a first side of a print media. At least one roller supports a second side of the print media as the print media is transported through the printing system. A roller deformation adjustment mechanism abuts at least one roller and is configured to apply a force to the roller to deform the roller. The deformation of the roller compensates for web skew by changing the relative timing of ink flight times from the linehead to the first side of the print media. The linehead can be disposed on a movable support. The printing system can also include one or more linehead skew adjustment mechanisms configured to move the movable support to adjust a skew of the linehead.

Abstract: An image forming apparatus according to an embodiment comprises a feed guide forming a feed path of a sheet and having an end portion movable between a closed position and an open position by rotating around a shaft, wherein the end portion is positioned above the shaft when the feed guide is in the open position, and the feed guide is configured to provide access for removal of a jammed sheet when in the open position. The image forming apparatus further comprises a holding unit configured to releasably hold the end portion of the feed guide in the open position.

Abstract: According to aspects illustrated herein, a system, a printmaking device, and a method for pre-curling and registering media are provided herein. The system includes a media curler system and a deskew mechanism. The media curler system pre-curls at least one of lead edge and a trail edge of a sheet before delivery to a media hold-down transport. The deskew mechanism is coupled to the media curler system for pivoting the media curler system about a pivot axis to deskew the sheet. The pivot axis extends perpendicular to the media transport path. In operation, as the lead edge enters the pre-curling and registration system, the media curler system pre-curls the sheet towards the media hold-down transport. As the sheet is being pre-curled, the deskew mechanism pivots the media curler system about the pivot axis to correct any skew errors in the sheet.

Abstract: According to the present invention, skew feeding of a sheet is corrected while conveying the sheet, positioning of a side edge of the sheet in the width direction is carried out, and an image is formed on the sheet by an image forming portion 90. Two steering mechanisms 120a and 120b are disposed upstream of the image forming portion along the conveying direction, and the steering mechanisms 120a and 120b can feed a sheet on the skew in any direction with respect to the sheet conveying direction. Two CISs 100a and 100b are disposed along the sheet conveying direction corresponding to the steering mechanisms. A skew feeding angle and a skew feeding velocity of each of the steering mechanisms is changed according to differential value between a side edge position detected by the CISs 100a and 100b and a target position of a side edge of a sheet.

Abstract: After a sheet has once passed through a punching position, a conveyance roller pair conveys the sheet backward to the punching position. A lateral registration detection sensor detects a side edge position of the sheet in a width direction. When a sheet processing apparatus corrects the side edge position of the sheet by controlling a shift unit for moving the sheet in the width direction so as to correct the side edge position of the sheet, the sheet processing apparatus sets a shifting amount of the sheet to a value that is a predetermined amount greater than a shifting amount required to correct the side edge position of the sheet according to the side edge position of the sheet detected by the lateral registration detection sensor. After the sheet has passed through the die hole the sheet processing apparatus sets the shifting amount to the required value.

Abstract: A multifunction machine includes: a first feeding roller and a second feeding roller; an intermediate roller pair provided to a curved portion of a transport route; a main transporting roller pair; a recording head; a first drive motor and a second drive motor; and a control section. The control section intermittently drives the main transporting roller pair and makes the recording head jet ink during a period of time in which the main transporting roller pair is stopped, and performs pre-paper feeding processing for rotating the first feeding roller a predetermined amount in a paper feeding direction when a rear end of a paper is positioned between a first sensor and the first feeding roller.

Abstract: An image reading device includes a transporter transporting a document to a reading position, a first corrector correcting a skew of the document by coming into contact with a leading edge thereof, a radiating unit radiating light to the document, an image-information acquiring unit acquiring image information of the document based on information of light reflected therefrom, a reflector reflecting the radiated light, a leading-edge detector comparing a quantity of light reflected by the reflector with a quantity of light reflected by the document so as to detect the leading edge, a skew-amount calculator calculating a skew amount of the leading edge, and a second corrector correcting a skew of the image information based on the skew amount. The device switches between the skew correction by the first corrector and the skew correction by the second corrector based on document information, the skew amount, or user's selection.

Abstract: An image forming apparatus includes a device main body, a detachable unit that is detachable and attachable to the device main body, a sheet guide that guides a pathway of sheet, and a guide position part that regulates a position of the sheet guide. The guide position part is disposed in the device main body, the sheet guide is disposed movably with respect to the detachable unit, and when the detachable unit is mounted on the device main body, a position of the sheet guide is regulated by abutting the guide position part.

Abstract: A sheet of material is received at a sensor assembly, which includes a sensor operable to measure a property of the sheet. An air flow is generated that is substantially tangential to the sheet in order to at least partially control a position of the sheet relative to the sensor assembly. For example, the sheet may be associated with an upstream boundary layer of air and a downstream boundary layer of air. At least part of the air from the upstream boundary layer could be removed and used to provide an air flow forming at least part of the downstream boundary layer. Also, the air flow could be provided between a surface of the sensor assembly and the sheet to at least partially control a distance of the sheet from the surface of the sensor assembly and/or an angle at which the sheet passes the surface of the sensor assembly.

Abstract: The invention relates to a device (10) for handling notes of value comprising a transport unit (24, 26) for transport of the notes of value in a transport direction (P2) along a transport path (602) and an aligning unit (600) for alignment of the notes of value. Further, the device (10) comprises a sensor (300) arranged upstream of the aligning unit (600) for determining at least one feature of the notes of value, and a control unit (28) that controls the aligning unit (600) such that the aligning unit (600) aligns each note of value depending on the determined expression of the feature of the note of value in a preset first target alignment or at least in a preset second target alignment that is different from the first target alignment.

Abstract: A sheet processing apparatus, including an ejection section; a sheet stacking section; an abutting unit; a driving section; a control section; and a rotating member which has a rotating shaft in parallel with a width direction of the sheet bundle and is held so as to rotate from above the base end portion of the sheet stacking section through a gap of a predetermined width in the abutting unit. The control section starts rotation of the rotating member after lowering of the sheet stacking section is stopped, and when the rotation is started, the rotating member operates so as to abut a rear portion of a surface of the sheet bundle stacked on the sheet stacking section and pass through the gap in the abutting unit.

Abstract: An image forming apparatus can form a high-quality image without a toner image being rubbed with and transferred onto a sheet.

Abstract: The present device includes a conveying path, a contact member coming in contact with the front of a printing medium to stop the conveyance of the medium, a hold member holding the front of the medium having contacted with the contact member, a first conveying unit conveying the medium so as to abut the contact member to form slack on the medium between itself and the hold member holding the medium, and a second conveying unit being provided nearer to the hold member than the first conveying unit in the conveying direction and conveying the medium so as to abut the contact member to form the slack. The second conveying unit is movable so that a part thereof existing on the side where the slack is formed on the medium in the conveying path is moved to the outside of the conveying path.

Abstract: A sheet conveyance device that is capable of correcting skew of a sheet like an index sheet without complicating a use setting and without increasing a cost significantly. A plurality of conveyance units are arranged in a direction intersecting a sheet conveyance direction to convey a sheet. At least three detection sensors are arranged in a direction intersecting the conveyance direction at an upstream side from the conveyance units to detect the sheet. A skew amount computation unit measures a time difference between detection timings of a front end of the sheet by two of the at least three detection sensors except the detection sensor that detects first, and computes a front-end skew amount according to the time difference. A speed change unit makes the conveyance speeds of the conveyance units be different according to the front-end skew amount so as to correct the skew of the sheet.

Abstract: Embodiments described herein are directed to registering media in a duplex printing system. A first side of a sheet of media is registered in a first pass in response to detection of a first end of the sheet. A registration marker is deposited on the sheet proximate to a second end of the sheet in the first pass. The registration marker can include a marking material that is in the non-visible light range. A second side of the sheet is registered in a second pass in response to detection of the registration marker deposited on the sheet.

Abstract: An image forming apparatus comprises an image-forming part; a paper feeding part; a resist part; a rotating body; a detector for detecting the arrival of paper at the resist part; a timer part for measuring a measurement time from when feeding of a second sheet of paper from the paper feeding part is begun to when the detector detects the arrival of the second sheet of paper, and a sheet interval time from when the detector detects the passage of a first sheet of paper immediately preceding the second sheet of paper to when the arrival of the second sheet of paper is detected; and an identifier part for referring to the measurement time, a reference measurement time, the sheet interval time and a reference sheet interval time, and deciding the paper feeding part advancing or delaying the paper feed start timing.

Abstract: A sheet conveying apparatus irradiates a conveyed sheet with light from a light source to receive reflected light by a line sensor and detects a side edge position of the sheet based on an output of a reading pixel of the line sensor. The reading pixel within a predetermined range facing the sheet in the line sensor is determined to be used for light quantity adjustment of the light source based on a size in a width direction orthogonal to a sheet conveying direction, and the light quantity of the light source is adjusted based on the output of the determined reading pixel. A threshold value for detecting the side edge position of the sheet is determined based on outputs of reading pixels within the region facing the sheet and outputs of the reading pixels within the region not facing the sheet in the line sensor.

Abstract: A sheet processing apparatus which enables a sheet to be stopped at a target position with precision even when the sheet is stopped by moving a heavy unit such as a shift unit. A drive unit moves a moving unit so as to move a sheet, which is being conveyed, in a direction perpendicular to a conveying direction of the sheet. An output unit detects movement of the moving unit and output a signal in synchronization with movement of the moving unit. A control unit issues a stop instruction to the drive unit based on a delay time from when a start instruction to the drive unit is issued until when the signal in synchronization with the movement of the drive unit is output, and a target moving amount required for the moving unit to move to a target position.

Abstract: A system comprises a conveying unit configured to convey an original; a reading unit configured to read the original that is being conveyed by the conveying unit; a printing unit configured to print an image on a paper based on an image of the original read by the reading unit; a determination unit configured to determine an orientation of the original according to the image obtained by reading the original with the reading unit; and a deciding unit configured to decide an orientation of an image that is to be printed on the original, according to the orientation of the original determined by the determination unit; wherein the printing unit prints the image on the original, in the orientation of the image decided by the deciding unit.

Abstract: According to aspects illustrated herein, there is provided a method and system for measuring and controlling an angular orientation of a printed sheet along a feed path of a print making device, the printed sheet being a sheet of paper with a paper edge moving along the feed path and an image printed thereon. The method includes the following steps. First, moving the printed sheet past at least one pair of optical sensors to determine a first skew of the paper edge with respect to a first fixed reference and a second skew of the image with respect to a second fixed reference. Then, combining the first skew and the second skew to determine the total skew between the paper edge and the image. Finally, correcting the total skew for subsequent sheets using the first skew and the second skew information. Similar steps can be taken to determine the lateral positioning errors which can then be corrected.

Abstract: A threshold for detecting a position of a lateral edge of a sheet is more accurately determined, whereby the accuracy of detection of the lateral edge position of the sheet is improved. A line sensor includes a plurality of element blocks. Each element block includes a plurality of pixels. The threshold for detecting the lateral edge position is determined based on a light level and a dark level of signals output from an element block that is actually used to detect the lateral edge position of the sheet.

Abstract: A sheet feeding machine comprises a housing 1, a feed section for feeding a plurality of sheets 40 in a feed direction 11, and a detecting section 3 having detector 30, 31 for detecting information 41, 42 printed on the sheet 40. The detecting section 3 comprises a support frame 32 for supporting the detector 30, 31, a guide rail 33 mounted on the support frame 32 and extending for guiding the detector 30, 31, and a guide mechanism 35 arranged between the housing 1 and the support frame 32 for guiding the support frame 32. The support frame 32 can be accommodated in the housing 1 when detecting the information 41, 42 of the sheet 40. The support frame 32 can be drawn out of the housing 1 when moving the detector 30, 31 along the guide rail 33.

Abstract: A sheet conveying apparatus and an image forming apparatus capable of high-precision sheet position correction includes a data storage portion that stores, at the time of moving a pair of registration rollers in the width direction, the deficiency quantity of a motion quantity in the width direction and an inclination quantity incurred in the pair of registration rollers with respect to the sheet conveying direction. At the time of correcting a skew feeding of a sheet by a pair of skew feeding correction rollers, a controller adjusts a skew feeding quantity detected by an activation sensor by the inclination quantity stored in the data storage portion, and at the time of moving the pair of registration rollers in the width direction, the controller adjusts the motion quantity by the deficiency quantity of the motion quantity stored in the data storage portion.

Abstract: A first resist roller (72) and a second resist roller (75) are disposed in a transport path of paper on an upstream side and a downstream side in the transport direction of the paper, and the rotational speeds of the first resist roller (72) and the second resist roller (75) are controlled so that the leading edge of the paper butts against and stops at the first resist roller (72) and the second resist roller (75), after which the paper is transported by the first and second resist rollers (72, 75) and the angled travel of the paper is corrected. An angled travel detection unit (81, 82) that detects angled travel in the paper is disposed upstream from the first resist roller (72) in the transport direction of the paper.

Abstract: A sheet conveying apparatus which detects an end part position of a sheet in a sheet width direction orthogonal to a conveying direction of the sheet conveyed on a sheet conveying path, comprising a plurality of sensor portions; a holding portion which holds the plurality of sensor portions; a plurality of aperture stops which is disposed between the light emitting portion and the light receiving portions and which is provided on the holding portion; and a driving portion which causes a movement of the holding portion in the sheet width direction.

Abstract: A sheet conveying device includes a shift unit. The shift unit includes a gate member configured to align a recording medium being conveyed thereto by causing a leading end of the recording medium to abut against the gate member so that part of the recording medium bends to form a curved portion; a pair of registration rollers configured to convey the recording medium aligned by the gate member at a predetermined timing, the pair of registration rollers including a driving roller and a driven roller, the driving roller having a rotating shaft coaxial with a rotational central shaft of the gate member; and a drive transmitting unit configured to transmit rotational drive from a drive unit to the driving roller, the drive transmitting unit being disposed on an end side of the rotating shaft of the driving roller.

Abstract: A printing apparatus according to one aspect of this invention includes a sheet holding unit configured to hold an envelope, and a detection unit configured to detect an opening width between guides for guiding an envelope held by the sheet holding unit. The printing apparatus further includes an identifying unit configured to identify a flap size of the envelope based on the opening width detected by the detection unit and a size set for the envelope held by the sheet holding unit, and a printing unit configured to print an image on the envelope by shifting image data based on the flap size identified by the identifying unit.

Abstract: According to an embodiment, provided is an image forming device that includes: an image forming unit forming an image in a predetermined cycle in a direction orthogonal to a conveying direction of a printing medium; a velocity acquisition unit acquiring a conveying velocity of the printing medium at a position where the image is formed by the image forming unit; and a correcting unit correcting the cycle on which the image forming unit forms the image in accordance with the conveying velocity acquired by the velocity acquisition unit.

Abstract: Disclosed are a scanner and an image reading apparatus including the same. The scanner can include a transparent plate, a scanning unit configured to scan a document on the transparent plate, a first sensor and a second sensor. The first sensor is positioned in a first document zone that is associated with an area in which a first document type is to be positioned based on a first alignment reference point provided on the transparent plate. The second sensor is positioned in a second document zone that is associated with an area in which a second document type of a different size is positioned based on a second alignment reference point provided on the transparent plate. The first document zone and the second document zone are non-overlapping zones. The document type and/or orientation can be determined based on the detection signals from the first and second sensors.

Abstract: A sheet conveying device includes a conveying path along which a sheet is conveyed. First and second conveying roller pairs are arranged on the conveying path at a predetermined distance from each other. Overlapping conveyance sensing devices are located between the first and second conveying roller pairs and include opposing transmission device and reception device. A distance between the first and second conveying roller pairs is shorter than a length of a minimum size sheet in a conveying direction. In the conveying path between the conveying roller pairs, guide members are disposed to sandwich the transmission device and reception device. The guide members are configured to project upward or downward from a sheet conveying line by a predetermined amount with respect to the conveying path, the sheet conveying line extending through nip points of the first and second conveying roller pairs.