Abstract: A medium feeding device includes: a medium mounting section that a medium is mounted; a feeding unit that feeds the medium in a feeding direction; a separation unit that separates the medium with the feeding unit; an operation detection unit that is disposed at a position facing a surface of the medium in the medium mounting section and detects a movement of the medium in the feeding direction; an interval forming unit that forms an interval in the feeding direction between a trailing end of a first medium which is the lowest medium fed among media mounted on the medium mounting section and a trailing end of a second medium which is bound with the first medium and stacked on the first medium; and a control unit that stops feeding of the medium based on a detection interval by a detection value of the operation detection unit.

Abstract: A controller is configured to: when an inter-sheet time is shorter than or equal to a first time, maintain a developing roller in contact with a photosensitive drum during an inter-sheet time; when the inter-sheet time is longer than the first time and shorter than or equal to a second time longer than the first time, perform, during the inter-sheet time, at least part of temporary separation processing of temporarily separating the developing roller from the photosensitive drum in a state where the photosensitive drum is rotating; and when the inter-sheet time is longer than the second time, perform, during the inter-sheet time, at least part of temporary stop processing of separating the developing roller from the photosensitive drum and then stopping rotation of the photosensitive drum, and subsequently restarting rotation thereof and then bringing the developing roller into contact with the photosensitive drum.

Abstract: A system and a corresponding method for processing and packaging value documents having a processing apparatus, which is adapted to process, value documents, at least one bundling device, which is adapted to bundle processed value documents in packets and/or to bundle one or several packets. A packaging apparatus and a transport device adapted to feed one or several packets and/or bundles to the packaging apparatus. At least one storage device, which is adapted to receive one or several packets and/or bundles, and a control device, which is adapted to control the at least one storage device such that the one or several packets and/or bundles are temporarily stored in the storage device for as long as the transport device and/or the packaging apparatus cannot receive any further packets and/or bundles.

Abstract: An image recording device having a recording unit to record an image on a sheet is provided. The image recording unit includes a feed guide defining a first conveying path; an arm disposed between the recording unit and the tray, the arm having a feed roller rotatably disposed at a free end and configured to feed the sheet in the tray to the first conveying path. The arm pivots between a first arm position, and a second arm position. The return guide pivots between a first return guide position, and a second return guide position. A space occupied by the return guide in the first return guide position overlaps a space occupied by the arm in the second arm position. The return guide is in the second return guide position when the arm is in the second arm position which is retracted from an insertion space occupied by the tray.

Abstract: Provided is a sheet conveyance apparatus armored with a housing, the sheet conveyance apparatus includes: a sheet conveyor that feeds a sheet to a downstream side in a direction of conveyance; a conveyance guide that guides the sheet to be conveyed; an ultrasonic sensor that detects the sheet guided by the conveyance guide; and a shield member that is conductive, wherein the ultrasonic sensor includes: a transmitter that transmits an ultrasonic wave having a predetermined frequency; and a receiver that receives the ultrasonic wave, the transmitter and the receiver are arranged along the conveyance guide, and the shield member is disposed between the housing and the receiver in a sheet-face perpendicular direction at an ultrasonic-irradiation position of the sheet being conveyed, the shield member covering an entirety of the receiver in plan view in the sheet-face perpendicular direction.

Abstract: An information control apparatus includes a controller. The controller controls a printer including a postprocessing unit that performs postprocessing on sheets of paper printed in units of copies and an accumulation unit that accumulates the sheets of paper that have been subjected to the postprocessing such that the sheets of paper are stacked in units of copies. The controller controls the printer such that in a case where printing is stopped and then resumed in a process of the printing by the printer, an indicator indicating a copy that is being ejected at a time when the printing is stopped is inserted.

Abstract: A control device includes a processor and a memory storing computer-readable instructions that, when executed, cause the processor to control a print execution device to perform printing on a first sheet and a second sheet, when at least one specific condition is not satisfied with respect to the first sheet being printed, after final partial printing on the first sheet, start final conveyance of the first sheet in a state where a plurality of nozzles are located within a sheet range in which the first sheet is placed in a main scanning direction, and when the at least one specific condition is satisfied, after the final partial printing on the first sheet, move a print head to such a position that the plurality of nozzles are located outside the sheet range in the main scanning direction, before starting the final conveyance of the first sheet.

Abstract: Provided is a printing apparatus including a printing head, transport rollers (sheet transport rollers) configured to sandwich and transport a medium (label sheet), a medium bending unit (bending member) configured to bend the label sheet to peel off a label from a backing sheet when the label sheet has a configuration in which the label is attached to the backing sheet, and a medium guide (sheet guide) configured to contact with one edge in a width direction of the label sheet to be bent by the bending member. The sheet transport rollers include a biasing mechanism configured to bias the label sheet in a direction intersecting a transport direction of the label sheet and also toward the sheet guide, during transport of the label sheet.

Abstract: An image forming system includes an image forming apparatus including a housing where an image forming unit is provided and a strain detector, a hardware processor, and a storage. The strain detector detects strain of a bottom plate of the housing. The processor and the storage are included in or provided outside the image forming apparatus. The processor obtains a first detection signal from the detector, stores strain measured data based on the first detection signal as reference data in the storage, obtains a second detection signal from the detector after storing the reference data, compares strain measured data based on the second detection signal with the reference data, and determines whether adjustment of a supporting point height of the bottom plate to reduce the strain due to change over time from a time of the obtainment of the reference data is required.

Abstract: A sheet conveying apparatus including: a locking member having an abutment surface abutting a sheet to correct skew feed of the sheet; a holding member configured to hold the locking member to rotate from a waiting position when the locking member is pushed by the sheet; a roller pair configured to nip the sheet abutting the abutment surface; a first urging portion configured to urge the holding member to the waiting position; a movable support portion configured to support the locking member in a manner that the locking member is located a retracted position where the locking member contacts a surface of the sheet and allows the sheet to pass; and a second urging portion configured to urge the locking member to a position where the abutment surface abuts a succeeding sheet.

Abstract: A magnetoresistive magnetic imaging sensor for identifying a magnetic image comprises a PCB and several magnetoresistive sensor chips, wherein the several magnetoresistive sensor chips are located on the PCB, and the PCB is perpendicular or parallel to the magnetic image detection surface. It has a lateral detection mode and front detection mode. In the lateral detection mode, each side face of the several magnetoresistive sensor chips is parallel or coplanar with the side of the PCB, and parallel to the magnetic image detection surface. The several magnetoresistive sensor chips have the same magnetic sensing direction. In the lateral detection mode, the adjacent magnetoresistive sensor chips are stacked, while in the front detection mode, the adjacent magnetoresistive sensor chips are arranged in a staggered manner, in order to achieve continuity of the detection area in the magnetic image detection surface.

Abstract: An image forming apparatus includes a function controller. The function controller performs control so as not to execute a conveyance function when function information, which indicates whether to restrict execution of a conveyance function for conveying a sheet for each conveyance source of the sheet or each conveyance destination of the sheet, indicates that the execution of the conveyance function is restricted. The function controller performs control to execute the conveyance function when the function information indicates that the execution of the conveyance function is not restricted.

Abstract: An information processing apparatus includes a processor and a memory configured to store a command for operating the processor. The processor acquires a first list including a plurality of error data, each of which includes information indicating a cause of an error occurring in an image forming apparatus, and adds up the number of occurrence times of each of plural cause candidates relating to the error based on the first list. The processor further ranks the plural cause candidates depending on the number of occurrence times, and generates a second list in which each of the plural cause candidates and a rank are associated with each other.

Abstract: A scanner has a controller configured to control a conveyer to convey original sheets one by one along a conveying passage, control an image sensor to optically read the original sheet, determine a detection position of the original sheet based on an output signal of the detection sensor, obtain target image data containing at least a partial image of the original sheet at a detection area including the detection position, determine whether the particular fixed object exists at the detection area of the original sheet by analyzing the target image data with use of particular image information, interrupt conveyance of the original sheet by the conveyer when the detection position is determined, based on an output signal of the detection sensor, to be an overlapped position and when it is detected, by analyzing the target image data, that the particular fixed object does not exist at the detection area.

Abstract: A printing apparatus includes a printing unit that prints on a printing medium, and a discharge tray that is movable, by a motor, between an accommodated position and an extended position. An external tray is detachably attached to the printing apparatus. An operation unit displays a screen on a display screen to receive a moving instruction for moving the discharge tray, and confirmation of removal of the printing medium from the discharge tray. When the operation unit receives a moving instruction for moving the discharge tray from the extended position to the accommodated position, a control unit moves the discharge tray after receiving confirmation from a user, via the screen, that the printing medium has been removed from the discharge tray, and, when the external tray is attached to the printing apparatus, the control unit does not move the discharge tray from the accommodated position to the extended position.

Abstract: A tension measurement device includes: a pair of rotatable first support rollers; a pressing portion arranged to face a midpoint between the pair of first support rollers; and a load cell capable of measuring a load applied to the pressing portion, and is capable of measuring a tension by clamping a lashing belt between the pair of first support rollers and the pressing portion. A pair of rotatable second support rollers is arranged to face the pair of first support rollers.

Abstract: An image forming apparatus includes a feeder including a tray and a pickup member, a size determiner, a sheet type setter, and a controller. The tray stacks a sheet thereon, and the pickup member feeds a contacted sheet. The feeder switches between a first state where the pickup member and the stacked sheet are in contact and a second state where the pickup member and the stacked sheet are separate. The size determiner determines a stacked sheet size. The sheet type setter sets a stacked sheet type. Where the type of the set sheet is a first type, the feeder switches from the second state to the first state when the size of the sheet is determined. Where the type of the set sheet is a second type, the feeder refrains from switching from the second state to the first state even when the size of the sheet is determined.

Abstract: In an image forming apparatus, includes a sheet supplying portion, an intermediate tray, a discharge tray, a post-processing portion, a jam detecting portion, a discontinuation control portion, a dummy feed control portion, and a supplementary printing control portion. The dummy feed control portion, after the paper jam is solved, causes an image forming portion to execute a dummy feed process in which sheets as many as a predetermined dummy feed number are conveyed from the sheet supplying portion to the intermediate tray, without formation of images on the sheets. The supplementary printing control portion cause the image forming portion to execute a supplementary printing process in which images are formed on one or more sheets, the images being images of remaining pages that are obtained by excluding pages corresponding to the dummy feed number of sheets starting from a beginning page, from all pages.

Abstract: A conveying mechanism has a pair of nipping members configured to nip a sheet from both sides thereof at a nipping position and to convey the sheet from upstream to downstream side. The pair of nipping members includes a conveying roller. A controller performs: a motor controlling process of controlling the motor to perform a conveying operation of the sheet by rotation of the conveying roller; a reaction-force calculating process of calculating a reaction-force inference value which corresponds to reaction force that acts on the motor, by removing a friction component generated due to rotation of the motor from a disturbance inference value, the disturbance inference value being calculated from both a control input to the motor and a control output relative to the control input; and a warning process of outputting warning in response to occurrence of multiple feeding of the sheet, based on the reaction-force inference value.

Abstract: An image forming apparatus and a method of reducing image banding of the image forming apparatus is provided. The image forming apparatus includes: a photoconductor unit on which an electrostatic latent image is formed; and a conveying unit configured to convey printing medium at a first conveying velocity toward the photoconductor unit, and configured to convey the printing medium at a second conveying velocity that is lower than the first conveying velocity when the printing medium approaches the photoconductor unit.

Abstract: A transport mechanism for a peripheral device and an operating method including the same are provided. The transport mechanism includes a tray, at least a transport roller, a detector, a trigger component and a processor. The tray includes an opening extending through the tray. The transport roller is rotatably installed in the opening and protruded from the tray to transport a flexible object to move along a transport path. The detector near the tray has a detecting area. The trigger component is located in the opening and spaced apart from the flexible object on the transport path. The flexible object deviated from the transport path presses the trigger component to enter or leave the detecting area and triggers the detector to transmit an abnormal detecting signal. The processor receives the abnormal detecting signal to stop the transport roller.

Abstract: The present invention provides an image forming apparatus that includes a first opening/closing member arranged to be openable and closable with respect to a main body of the image forming apparatus, a second opening/closing member, a unit detachably attachable to the main body, and a crank mechanism configured to convert reciprocating motion caused by an opening and closing operation of the first opening/closing member into rotating motion of the second opening/closing member. A first distance from a moving area of the unit is configured to be greater than a second distance from the moving area to thereby suppress an increase in the size of the image forming apparatus.

Abstract: A printing method comprises advancing a media to be printed towards a printing unit of a printing device by means of a media advance unit, detecting a position of the media relative to the printing unit, and providing a corresponding position sensor signal, and activating the printing unit to print on a predetermined portion of the media in accordance with the position sensor signal and a timing signal provided by a clock unit.

Abstract: A punching device includes: a punching member opens a punch hole on a sheet material on a die plate by penetrating a die hole provided to the die plate; a discharging member discharges static electricity charged on a punching chip generated by opening of the punch hole when the punching chip is guided to fall on the discharging member arranged on a lower side of the die hole and brought into contact with the discharging member; and a pressing member that presses the punching chip on the discharging member against the discharging member.

Abstract: There is provided the paper conveying apparatus, jam determining method, and computer program, which can suppress the mistaken determining of the occurrence of a jam by sound due to a sound generated by a moving member driven in relation to conveyance of a paper. The paper conveying apparatus according to an embodiment includes a moving member driven in relation to conveyance of a paper, a drive module for driving the moving member, a sound signal generator for generating a sound signal corresponding to a sound generated by a paper during conveyance of the paper, a sound jam detector for determining whether a jam has occurred based on the sound signal, and a control module for stopping conveyance of a paper when the sound jam detector determines that a jam has occurred.

Abstract: A document reading apparatus includes a conveying unit to convey a document, a reading unit to read an image of the conveyed document, a detecting unit to detect multi-feed of the conveyed document, a setting unit, a stopping unit, and a displaying unit. The setting unit makes a setting indicating whether, based on detecting multi-feed of the document, conveyance of the document is to stop. The stopping unit stops conveyance of the document where the made setting indicates that, in response to detecting multi-feed of the document, the conveyance of the document is to stop. Where the made setting indicates that, in response to detecting multi-feed of the document, the conveyance of the document is to stop, the displaying unit displays a screen for receiving, from a user, an instruction not to stop conveyance of the document, even in a case where the detecting unit detects multi-feed of the document.

Abstract: A first document image is scanned from a document in a first orientation, and a second document image is scanned from the document in a second orientation different from the first orientation. A wrinkle area candidate detecting unit rotates the first document image by a rotation angle between the first and second orientations, and detects as a wrinkle area candidate an object in a predetermined density range in the rotated first document image and the second document image. A similarity degree determining unit determines a similarity degree between the wrinkle area candidate of the rotated first document image and the corresponding wrinkle area candidate of the second document image. A wrinkle area removing unit removes the wrinkle area candidate as a wrinkle area if the similarity degree falls into a predetermined range.

Abstract: A separation conveyance device comprises: a separation unit that includes a first roller feeding a conveyance object, and a load unit applying a load to the fed conveyance object, and separates one conveyance object from conveyance objects; a second roller that conveys the fed conveyance object; a driving unit that causes a motor to rotate the first roller at a first linear speed and the second roller at a second linear speed higher than the first linear speed; a connection unit that cuts off the motor's power from the first roller when first load torque toward a rotation direction of the first roller is equal to or larger than a certain value; a detection unit that detects second load torque in the direction opposite to a rotation direction of the motor; and a determination unit that determines a separation state of the conveyance object based on the second load torque.

Abstract: A control portion of a sheet detection device causes a light emitter to emit a predetermined amount of light emission, to determine whether or not a first reference sheet is in a detection area. When the first reference sheet is not in the area, a sheet detection sensor is moved upward by a predetermined movement pitch. When the first reference sheet is in the area, the present detection distance between the sheet detection sensor and the first reference sheet is stored. The same process is performed for the second reference sheet. When both of the detection distances are correct, the control portion determines that an output from the sheet detection sensor is correct, and sets the amount of light emission for a document detection process. When both of the detection distances are incorrect, the amount of light emission from the light emitter is increased by one step.

Abstract: A sheet ejecting device includes a sheet conveyance path, an exit port, at least one ejection roller pair, and a sheet detection portion. The sheet detection portion detects a sheet being ejected. The sheet detection portion includes an actuator and a sensor. The actuator moves by contact with a sheet passing along the sheet conveyance path. The sensor detects the actuator. The actuator moves between a detectable position where the actuator is detectable by the sensor and an undetectable position where the actuator is not detectable by the sensor. The actuator has a sheet guide portion. The sheet guide portion extends along a sheet conveyance direction. The sheet guide portion moves, in a direction transverse to the sheet conveyance direction such that the actuator moves to the detectable position, by contact with the sheet passing along the sheet conveyance path and guides the sheet in the sheet conveyance direction.

Abstract: In an apparatus for checking sheet material a plurality of sensors are arranged along a sensor path along which the sheet material, such as e.g. bank notes, is transported. The sensors each have two components which are arranged at opposite sides of the bank note transport path. For the functioning of many sensors it is necessary that the opposing sensor components are exactly aligned to each other. So as to achieve that the alignment of the sensor components arranged opposite each other is set with high accuracy and reproducible, the relative position of the sensor components opposing each other is defined by means of docking elements.

Abstract: A banking system is controlled responsive to data read from data bearing records. The banking system includes an automated banking machine. The machine is operable to carry out a financial transaction for a person responsive to a determination that the person is an authorized user of the machine based on correspondence between identifying data read by a reader of the machine and data store information. The machine includes a check acceptor that is operative to receive checks from authorized machine users. The check acceptor is operable to continuously move a received check along its transport path while simultaneously rotationally orienting the check into alignment with the transport path. A check determined not to have at least one property of an acceptable check is returned to the machine user. Acceptable checks are processed and stored in the machine.

Abstract: A sheet conveyance device includes: a motor; an ON-OFF control unit, which selectively executes an ON control and an OFF control on the motor; a rotation control unit, which selectively executes a first-direction control and a second direction control; a jam detecting unit; an interlock switch; and a setting unit. The first-direction control sets a rotation direction of the motor as a first direction when the motor is rotated by the ON control. The second direction control sets the rotation direction of the motor as a second direction opposite to the first direction when the motor is rotated by the ON control. The setting unit sets the ON-OFF control unit to perform the ON control and sets the rotation control unit to perform the second direction control when the jam is detected by the jam detecting unit and the interlock switch has been turned off.

Abstract: A method of indicating a medium jam along a medium transport path; a plurality of microphones for detecting the sound of the medium being transported as it enters medium transport path and producing a signal representing the sound; a plurality of microphones for detecting the sound of the medium being transported in the medium transport path and producing a signal representing the sound in the medium transport; a plurality of microphones for detecting the sound of the medium being existing the medium transport path and producing a signal representing the sound of the medium existing the medium transport; a processor for producing sound values from the signal and computing the maximum sound responsive to the sound values per each microphone, and indicating the medium jam responsive to the sound values.

Abstract: In accordance with an embodiment, an image forming apparatus comprises a conveyance roller and a register roller configured to convey an image receiving medium taken out from a paper feed cassette; a rotation detection device configured to detect the backward rotation of the conveyance roller; and a control section configured to stop the rotation of the conveyance roller to align the image receiving medium after the image receiving medium abuts against the register roller that is in a stopped state, restart the rotation of the register roller and the conveyance roller after the aligning process, and control to restart, when the conveyance roller rotates backward during the aligning process, the rotation of the register roller after the conveyance roller is rotated ahead.

Abstract: An image forming system includes an option apparatus having a first conveying path; and an image forming apparatus having a second conveying path configured to be connected to the first conveying path. The image forming apparatus includes a sensor configured to detect a recording material conveyed on the second conveying path at a first speed; and a first controller configured to notify the option apparatus of a detection timing of the recording material. The option apparatus includes a second controller configured to determine whether the detection timing is different from a predetermined timing upon receiving a notification of the detection timing, and, if it is different, to determine a second speed based on the detection timing and the predetermined timing and change the conveying speed of the recording material from the first speed to the second speed.

Abstract: A sheet stacking apparatus includes a lowering control unit to lower a sheet stacking portion, a determination unit, an acquisition unit, an identification unit, and a notification unit. The determination unit determines that the sheet stacking portion cannot be lowered by the lowering control unit. The acquisition unit acquires a position of the sheet stacking portion at which the determination unit determines that the sheet stacking portion cannot be lowered. The identification unit identifies an amount of sheets stackable on the sheet stacking portion without removing an obstacle placed under the sheet stacking portion based on the position acquired by the acquisition unit. The notification unit notifies the amount of sheets identified by the identification unit and an amount of sheets stackable on the sheet stacking portion after removal of the obstacle placed under the sheet stacking portion.

Abstract: A sheet product dispenser includes a housing having a front cover, a main controller, a motor, a dispensing mechanism, a maintenance switch, and an auxiliary feed push button. The motor, main controller and dispensing mechanism are configured to dispense a length of sheet product in response to a signal representative of a request for sheet product. The maintenance switch is internally disposed within the housing and accessible for actuation when the front cover is open, in operable communication with the main controller to facilitate operation of the motor when actuated. The auxiliary feed push button is disposed in operable communication with the maintenance switch, and is disposed to be accessible and actuatable when the cover is closed. The main controller is responsive to executable instructions to facilitate actuation of the motor in response to a signal from the maintenance switch when actuated by the auxiliary feed push button.

Abstract: A banknote processing device that stacks banknotes in a banknote storage section even when a jam occurs. The device has an insertion aperture, a verification section, the storage section and a controller. The aperture separates and feeds inserted banknotes. The verification section verifies the banknotes fed from the aperture. The banknotes are stacked in the storage section. The controller controls conveyance of the banknotes conveyed from the aperture to the verification section such that, depending on verification results, the banknotes are conveyed directly to the storage section. When a jam occurs during conveyance of the banknotes, the controller stops the separation and feeding of the banknotes from the aperture, and controls conveyance such that banknotes for which the storage section has been set as a conveyance destination by the verification section are conveyed directly to the storage section and banknotes for which no conveyance destination has been set are ejected.

Abstract: Methods for picking a following sheet of media before the prior sheet of media has been detected exiting a media input tray in an imaging apparatus to increase media throughput. The methods may further include processes for shifting an image area to a shingled sheet of media without having to stop the imaging process.

Abstract: An image forming apparatus and a method of controlling the same capable of obtaining the same effect as when sheets of paper are picked up in such a state that front ends thereof are all aligned by controlling paper feeding based on results of detecting paper movement and capable of improving feeding speed by maintaining a time taken for the sheet of paper to move to a feed roller constant are provided. The apparatus includes a pick-up roller to pick up a sheet of paper, a forward roller to feed the picked-up sheet of paper toward a downstream side of a paper moving path, a feed roller to feed the sheet of paper fed by the forward roller toward the downstream side of the paper moving path, and a feed sensor mounted between the forward roller and the feed roller to detect movement of the sheet of paper.

Abstract: Provided is a technology capable of identifying presence/absence of buckling at an occurrence of a jam and determining more appropriately whether or not to perform automatic sheet discharge. A sound collecting device provided on a conveying path of an image forming apparatus is used to collect sound generated from a sheet at the occurrence of the jam. Generated spectrum data is obtained by analyzing characteristics of the collected sound. The generated spectrum data is compared with reference spectrum data, to thereby identify the presence/absence of the buckling and discriminate the conveyance propriety of the sheet.

Abstract: A sheet conveying apparatus including: a cover that is provided in an apparatus main body in an openable and closable manner to open a sheet conveying path through which the sheet is conveyed, by rotating in an open direction from a closed position; a guide member that is movably provided in the cover and forms the sheet conveying path; and a moving portion that is provided with a contact portion coming into contact with the sheet conveyed through the sheet conveying path, and is movably provided in the guide member; wherein the guide member moves with respect to the cover by rotating the cover in the open direction from the closed position, and thereby the moving portion moves by its own weight in a direction in which the contact portion of the moving portion is retracted from the sheet conveying path.

Abstract: An image forming apparatus can exchange a sound reduction mode and a normal mode. The image forming apparatus includes a sound reduction sheet feed cassette, a normal sheet feed cassette, a sound reduction sheet feed cassette roller, and a normal sheet feed cassette roller. The sound reduction sheet feed cassette roller and the normal sheet feed cassette roller can exchange rotation speed to a slower speed than a normal paper feeding speed, In the sound reduction mode, the image forming apparatus performs one of a noise reduction high performance mode and a noise reduction low performance mode. In the normal mode, the image forming apparatus performs a high performance mode.

Abstract: The present invention is to provide a printing apparatus capable of correctly detecting an origin of a conveying roller for conveying a print medium at the time of its rotation with a simple configuration that does not accompany an increase of cost. For this purpose, the printing apparatus is equipped with a lock mechanism (a lock link lever) for stopping rotation of the conveying roller at a predetermined rotational position and saves a count value of a rotation amount of the conveying roller when the conveying roller is locked by the lock mechanism concerned as origin information. After this, driving of the conveying roller is controlled based on the saved origin information and a phase of rotation of the conveying roller obtained from the count value of the conveying roller.

Abstract: The invention relates to a method and a device for the contactless detection of laminated, flat objects, particularly sheet-like recording media. There is a galvanic separation and mechanical decoupling between the transmitter and receiver to improve detection. These measures can be further improved with correction characteristic methods.

Abstract: An image forming apparatus includes a sheet conveyer, a main body, a movable unit movable with respect to a guide position at which the sheet is guided, a position detector outputting a position detection signal, and a controller configured to determine whether the movable unit is in the guide position based on the position detection signal, perform a feeding execution process in which controlling the conveyer to feed the sheet by a feeding amount and stop the sheet if the sheet is in a feeding area and if determining that the movable unit is not in the guide position, and perform a feeding inexecution process in which controlling the conveyer not to feed the sheet by the feeding amount and stop the sheet if the sheet is in the feeding area and if determining that the movable unit is in the guide position.

Abstract: A feed station has a pre-separation region, a separation region and a transport region in succession along a transport path. A first sensor is at the start of the separation region and a second sensor is at the start of the transport region. A control unit processes signals from the sensors and encoders to determine the position of the flat item, and is connected with a separation motor to drive the separation device, so that a flat item is separated from a stack with a predetermined separation velocity. If unacceptably small gaps exist between the flat items, the separation process is stopped when the leading edge of a subsequent flat item reaches the second sensor and is continued when the preceding separated flat item achieves a predetermined clearance from the leading edge of the aforementioned flat item due to its transport.

Abstract: Generally, in accordance with one embodiment, an image forming apparatus includes a stacking section, a sensor, a printing unit, a display and a controller. The stacking section is configured to stack a sheet. The sensor is configured to detect the size of the sheet set on the stacking section. The printing unit is configured to form an image on the sheet. The display is configured to display the image. The controller is configured not to display a sheet size except the sheet size detected based on an output signal from the sensor on a setting screen for the sheet size of an image forming object in a detectable status.

Abstract: A paper sheet conveying apparatus includes a paper sheet conveyance path, a conveyance sound detection portion, an abnormality correspondence information storage portion, and an abnormality specifying portion. The conveyance sound detection portion detects conveyance sound of a paper sheet on the paper sheet conveyance path. The abnormality correspondence information storage portion has stored therein abnormality correspondence information indicating correspondence relationships between contents of a plurality of types of sheet conveyance abnormalities that can occur on the paper sheet conveyance path, and contents of the conveyance sounds detected by the conveyance sound detection portion when the respective sheet conveyance abnormalities occur.