Abstract: An apparatus for transporting media in a printer helps reduce vibration and noise in the printer. The apparatus includes a pair of brackets secured to a printer surface, a shaft, a first portion of the shaft being secured within one of the brackets and a second portion of the shaft being secured within the other bracket, a roller mounted about the shaft for rotation about the shaft, and a pair of vibration dampeners, one vibration dampener being interposed between the first portion of the shaft and the one bracket, and the other vibration dampener being interposed between the second portion of the shaft and the other bracket.

Abstract: Methods and system for reducing sheet skew in a sheet transport system are disclosed. A sheet transport system may include an idler wheel, a drive wheel a drive motor and an actuator. The idler wheel may have a substantially rigid outer layer. The drive wheel may have a compliant outer layer and may correspond to the idler wheel. The drive motor may be operably connected to the drive wheel and may be configured to cause the drive wheel to rotate around a shaft. The actuator may be operably connected to the drive wheel and configured to cause the drive wheel to move between a closed position and an open position. The drive wheel is configured to contact a sheet in the closed position and to not contact a sheet in the open position.

Abstract: Systems and methods are provided for controlling substrate flatness for sensor measurements in printing device using vacuum and/or the flow or air. A source of low pressure, such as a vacuum, may be provided. A printed sheet of media may be transported between upper and lower transport baffles that are generally spaced apart to permit the sheet of media to pass. Located on one of transport baffles may be a sensor to measure a property of the printed sheet. The source of low pressure is connected to the one of the transport baffle so as to draw the surface of the sheet toward the sensor. In addition, air flow may be directed to the opposite surface of the sheet to urge it toward the sensor.

Abstract: A method of calibrating a media advance in a printer includes providing a mask to specify a printing configuration of a calibration target; forming a media feed calibration target on the print media by: i. printing the calibration target on a print media using an array of the marking elements, ii. advancing the print media by a media advance amount, iii. printing the calibration target on the print media using the array of the marking elements; iv. advancing the print media by the previous media advance amount plus an offset amount, and v. repeating steps iii. and iv.

Abstract: An apparatus for processing envelopes. A support plates and a pressure sensing lever support a stack of envelopes in a generally upright orientation. The pressure sensing lever pivots in accordance with pressure exerted by the stack of envelopes. A feeding apparatus is operatively coupled to a sensor such that pivotal movement of the pressure sensing lever is detected by the sensor and the feeding apparatus changes the pressure exerted against the stack of envelopes.

Abstract: An image reading apparatus includes a document positioning plate configured to have a document positioned thereon, a conveyance belt configured to convey the document to the document positioning plate, an image reading unit configured to read an image of the document positioned on the document positioning plate, and an image unevenness reducing unit configured to reduce image unevenness caused by the conveyance belt deflecting in a main scanning direction. The image unevenness reducing unit corrects the readout image based on correction coefficients each corresponding to a combination of a sub scanning position and a main scanning position of the image.

Abstract: A warpage leveling unit includes a surface roughening member that is provided to oppose to a side end portion of an image carrier which has an endless-belt-shape, is entrained around a plurality of rollers, and carries an image on a surface of the image carrier, wherein the surface roughening member comes into contact with a surface of the side end portion which is warped.

Abstract: A method (200) and apparatus (100) that controls feed commitments based on feedable capacity. The apparatus may include a source (122) of feedable media sheets and a feeder module (120) coupled to the source of feedable media sheets, the feeder module configured to control the source of feedable media sheets. The apparatus may include a marking engine (132) coupled to the source of feedable media sheets, the marking engine configured to mark images on media sheets fed by the source of feedable media sheets. The apparatus may include a marker module (130) coupled to the marking engine, the marker module configured to control the marking engine. The apparatus may include a scheduler module (110) coupled to the feeder module and the marker module, the scheduler module configured to schedule feed commitments for the feeder module and mark commitments for the marker module.

Abstract: A system and method for slip sheet disposal from a plate imaging device or printing device comprises a slip sheet dispensing means configured for dispensing the slip sheets from the plate imaging device and an air release module configured to apply air flow between the slip sheets and the slip sheet sliding tray during the slip sheets dispensing from the plate imaging device or printing device.

Abstract: A transmission system includes a rotatable main gear, first and second transmission gears rotatably and movably disposed and respectively in constant mesh with the main gear, and first and second power output components rotatably disposed and in constant mesh with each other. The first and second transmission gears detachably mesh with the first and second power output components respectively. The main gear is rotated counterclockwise to drive the second transmission gear away from the second power output component, and to drive the first transmission gear to mesh with the first power output component to rotate the first and second power output components. The main gear is rotated clockwise to drive the first transmission gear away from the first power output component, and to drive the second transmission gear to mesh with the second power output component to rotate the second and first power output components.

Abstract: A sheet transport device comprises a sheet feeding path through which a sheet is transported, first and second elements which are located face to face with a particular point in the sheet feeding path and have first and second surfaces, respectively, constituting part of the sheet feeding path and arranged therealong, an interposed element disposed insertably into and withdrawably from a space formed between the first and second elements, and a discharge arrester disposed in first and second surfaces for providing protection against a discharge of static electricity from the sheet, the discharge arrester having a projecting part extending in a direction intersecting the sheet feeding path.

Abstract: A pinch roller assembly useable in a document processing system is disclosed. The pinch roller assembly includes a pinch roller housing movable in a direction substantially perpendicular to a path of travel of documents. The pinch roller assembly also includes a pinch roller rotatably mounted to the pinch roller housing and located adjacent to the path of travel of documents, and a biasing member arranged to exert a biasing force on a deflection element. The deflection element directs the biasing force onto the pinch roller housing.

Abstract: A sheet feeding device includes a sheet support, a restricting portion, a displacement section, and a link section. The restricting portion slides along a line passing through restricting points. The restricting portion restricts the position of the sheet when the restricting portion is positioned at each of the restricting points. The link section interlinks the restricting portion and the displacement section. The position of the displacement section is detected. The link section, which interlinks the restricting section and the displacement section, is configured to change a ratio of a distance that the displacement section travels as the restricting section travels a fixed distance, wherein the ratio of the distance between those restricting points which define a relatively large spacing therebetween becomes longer than the ratio of the distance between those restricting points which define a relatively small spacing therebetween.

Abstract: An automatic image processing apparatus includes a sheet feeding device and an image processing device. The sheet feeding device supports a plurality of sheets and feeds the sheets one by one. The image processing device receives the sheets coming from the sheet feeding device one by one, and feeds and processes the sheets one by one. The sheet feeding device is removably connected to the image processing device, and receives mechanical power from the image processing device and thus feeds the sheets one by one. The sheet feeding device for the automatic image processing apparatus is also disclosed.

Abstract: The present subject matter relates to a feed roller system for high speed image scanning equipment, which improves the feeding of documents, and in particular, thin or ultra-thin documents, into the scanner equipment. The feed roller system comprises a pick roller and a feed roller, each associated with its own clutch, allowing the pick roller and feed roller to be selectively driven together, independently, and/or not at all. Initially, both rollers are driven to feed a document. Drive to the pick roller is disabled by the pick roller clutch when the leading edge of the document reaches a gap control sensor, downstream of the rollers. Drive to the feed roller continues until it is disabled by the feed roller clutch when the leading edge of the document reaches a page entry sensor, downstream of the gap control sensor and the first transport rollers.

Abstract: An image forming apparatus selects a printing sheet of a size according to a printing condition when printing an image. The image forming apparatus includes a setting unit that sets a target printing sheet on a feed source that can feed recording sheets of a plurality of sizes.

Abstract: A medium holding apparatus includes: a medium holding device which includes: flow channel forming sections having openings respectively and provided according to a prescribed arrangement pattern on a medium holding surface on which a medium is fixed and held; flow channel control sections having a smaller cross-sectional area than a cross-sectional area of the flow channel forming sections and restricting a flow rate of air flowing in the flow channel forming sections; and a pressure generating section connected to the flow channel forming sections via the flow channel control sections; and a suction pressure generating device which generates suction pressure that is applied to the medium held on the medium holding device.

Abstract: document feeding device comprises a document input tray, a document output tray, a feeding mechanism provided for a feeding path connecting the document input tray and the document output tray via a scanning position to feed each document from the document input tray to the scanning position and to the document output tray, a turnover mechanism provided for a turnover path connected to the feeding path to return the document after passing through the scanning position to the upstream side of the scanning position while interchanging the front end and rear end of the document, and an ejection mechanism configured so that its document ejection mode can be switched between a first ejection mode for successively ejecting each document while stacking it on documents already ejected to the document output tray and a second ejection mode for successively ejecting each document while sliding it under the already ejected documents.

Abstract: A buckle plate device for a folding machine comprises a buckle plate (10) and a sheet stopping means for stopping a sheet (24) running into the buckle plate (10) in the intake direction, wherein the sheet stopping means is formed by a clamping means (26) which clamps the incoming sheet (24) in order to stop it and preferably automatically releases the clamping at the onset of tractive forces of the subsequent rollers. Hereby a buckle plate device is provided which requires little space and makes it possible to fold sheets with comparably low noise development without a mechanical stop in a sheet-edge controlled manner or in a print-image controlled manner at a high sheet transport speed.

Abstract: A sheet feeding device having a first sheet feeding path and a second sheet feeding path through which a sheet is configured to be fed. A first sheet-guiding member is disposed between the first sheet feeding path and the second sheet feeding path. The first sheet-guiding member is configured to move between a first position and a second position. A second sheet-guiding member is disposed opposite the first sheet feeding path. The second sheet-guiding member is configured to move between a third position and a fourth position. A connecting member is configured to selectively couple the first sheet-guiding member to the second sheet-guiding member.

Abstract: A label sheet positioning device is provided for a barcode printer, including a pressure regulation seat having two pressure adjusting knobs and at least one universal adjusting knob mounted to a top thereof. The pressure adjusting knobs serve to adjust pressure for positioning in the upward-downward direction of a label sheet of the barcode printer. The universal adjusting knob functions to realize fine adjustment of pressure for positioning in a universal adjustable manner that the pressure regulation seat applies to the label sheet. At least one universal adjusting mechanism is coupled to bottom of the pressure regulation seat for effecting adjustment of inclination direction by the universal adjustment realized by the universal adjusting knob.

Abstract: System and methods of controlling a plurality of motors based on a motor motion attribute, such as rotor position, velocity, or acceleration, which simulate the properties of a mechanical differential, including a pure differential, a limited slip differential, and/or a locking differential. The method may be employed in a number of applications, including, without limitation, a paper handling system, such as an inserter, to control the nips of a pinless cutter of an inserter, and in a vehicle.

Abstract: A solenoid device including a plunger, a solenoid configured to cause a displacement of the plunger, and a driving control unit configured to control driving of the solenoid. The driving control unit supplies current pulses to the solenoid and changes a pulse interval of the current pulses.

Abstract: In order to enable a plurality of paper rolls having different diameters in an unused (new) state to be mounted freely according to a choice of a user, and to increase convenience for a user. [Solving Means] A paper feeding device 3 that feeds a sheet of a paper roll 2a (2b) to a printing device 4, includes two side plates 8b vertically arranged along both sides of the paper roll 2a (2b), in which the side plates 8b are provided with a plurality of notches 11, 13 which are capable of bearing-supporting the paper rolls 2a (2b) having the different diameters in the unused state, and in which, when the notches 11, 13 are mounted with the corresponding paper rolls 2a (2b) in the unused state, end portions 14, 15 of outer peripheral surfaces of the paper rolls 2a (2b) on the printing device 4 side are arranged to be positioned in substantially the same vertical plane.

Abstract: A recording apparatus includes guide rails that each control the posture of a carriage at an arbitrary recording position by being in contact with the carriage. The guide rails are disposed on respective sides of a guide shaft in a direction in which a recording medium is conveyed. The length of a gap between the recording medium and the carriage is selectable between a case where the carriage is in contact with one of the guide rails and a case where the carriage is in contact with the other guide rail. Such a configuration provides a compact and low-cost recording apparatus capable of performing recording on recording media having various thicknesses by appropriately adjusting the gap between the carriage and any of the recording medium while maintaining the parallelism therebetween.

Abstract: A print system capable of printing more quickly, printing and observing images more in the order of completion of transfer of the image data, and also reducing the generation of waste of recording sheets even in a case that printing of the image is canceled in the middle of the image printing, compared with the conventional method. In the system including at least two image data outputting apparatuses and one printer for printing images based on the image data transferred from the at least two image data outputting apparatuses, when the image data is transferred from each image data outputting apparatuses, the printing preparation of the recording sheet is started at a timing so that it is completed upon completion of the image data transfer, based on the time required for transfer of the image data and printing preparation time required for the printing preparation of the recording sheet.

Abstract: By means of a feed conveyor (10), planar objects (12) accruing in an overlapping formation (S), in particular printed products, are fed to a deflecting device having at least one deflection member pair (24). This deflection member pair (24) has a deflection member (26) and a further deflection member (26?) disposed below it. These form, synchronously with the cycle of the supplied objects (12) and starting from a passage gap, a transport gap (72), and then, again, the passage gap. Downstream of the passage gap and transport gap (72), viewed in the feed direction (Z), a stop (20) is present, against which the respective object (12) is brought to bear with its leading edge (16) through the passage gap. The transport gap (72) acts in the evacuation direction of an evacuating conveyor, to which the deflection member pair (24) feeds the objects (12) in a timed manner.

Abstract: A feeder head includes suction belts to sequentially feed top sheets from a stack of sheets (e.g., paper). Before the belts receive suction and drive power, a suction cup raises the top sheet at a location between the belts to produce a corrugated shape in the top sheet which induce separation of a second sheet that might be adhered to the top sheet. A double sheet detector includes a pair of rollers forming a nip through which a fed sheet passes, causing the rollers to separate. The amount of separation is transmitted to a transducer which generates a signal proportional to the sheet thickness. Signals from the transducer are frequently sensed and averaged, so that signal variations resulting from irregularities in the shape of the rollers are canceled out.

Abstract: A paper-blocking mechanism is disposed in a printer. The printer includes at least a main body and an exit roller. The paper-blocking mechanism includes a stopper portion and a stopper elastic element. The stopper elastic element is fixed on the printer and is compressibly connected with the stopper portion. When the tail of the paper leaves the stopper portion, the stopper elastic element drives the stopper portion to rise to be higher than the surface of the exit roller to block the paper exit lest the paper might be back-rolled and jammed.

Abstract: A recording medium feeding device includes: a delivery roller provided so as to abut on a surface of recording media and for delivering the recording media to a downstream side in a direction of conveyance of the recording media in accordance with the rotation of the delivery roller; a separation member provided on the downstream side with respect of the delivery roller; and a feed roller provided opposite to the separation member to sandwich the recording media delivered by the delivery roller with the separation member, the feed roller rotating for separating and conveying the recording media one by one, wherein a diameter of the feed roller is larger than a diameter of the delivery roller.

Abstract: A document transporting device (30) serves as a platen cover to expose and cover platens (21A,21B). A document holder (5) is mounted on a predetermined mounting portion of the device (30). A lateral end of the document holder (5) is withdrawn from a predetermined position where the end is located, so that a document transport path (R) is exposed through an area in which the document holder (5) has been withdrawn. The document transport path (R) is exposed to the left or the right with respect to the front of the device (30).

Abstract: The paper carrying apparatus includes a first paper carrying mechanism (first carrying mechanism), a second paper carrying mechanism (second carrying mechanism) provided on the downstream of the first carrying mechanism in a carrying direction, an electric motor that drives the first carrying mechanism, a stepping motor that drives the second carrying mechanism, and an acceleration sensor that is a vibration detecting mechanism detecting vibration generated in the rotation shaft of the stepping motor. When the first carrying mechanism and the second carrying mechanism concurrently carry the same paper sheet, the electric motor is controlled in driving velocity based on information of vibration detected by the acceleration sensor at the timing of the rear end of the carried paper sheet passing the first paper carrying mechanism.

Abstract: A medium feeding unit having an improved structure for sensing that the number of print media loaded onto a loading plate is equal to or exceeds a predetermined remaining number, and an image forming apparatus having the same. The medium feeding unit includes a sensor that outputs sensing signals having different voltages according to quantities of received light. The medium feeding unit also includes a plurality of actuators that sense the number of print media on a loading plate, differentially intercept the sensing area of the sensor thus changing the voltage level of the sensing signal, and therefore signal the medium feeding unit when the number of print media on the loading plate falls below the predetermined remaining number.

Abstract: An apparatus supporting mechanism comprises: a fixing member 111 fixed to the bottom of the apparatus; a connecting member 115 disposed in the fixing member 111 in such a manner as to freely project and be housed; a supporting member 112 disposed in the connecting member 115 and freely displaced between a first position, at which the supporting member is grounded or located proximate with respect to the installation plane of the apparatus, a second position, at which the supporting member is separate from the installation plane of the apparatus; and a displacing mechanism which displaces the supporting member 112 to the first position when the connecting member 115 projects while displaces the supporting member 112 to the second position when the connecting member 115 is housed.

Abstract: A card processor of the present invention has a carriage mechanism rotatably supporting a roller, around which a carriage belt is to be wrapped, with respect to a frame, wherein the roller of the carriage mechanism is incorporated into a fixing member so as to be rotatably held in the fixing member, and the fixing member with the roller incorporated therein is made installable into the frame.

Abstract: An image recording apparatus includes a sheet feeder, line-type printheads arranged in a sheet feed direction, a drive-data supplier and a feed controller.

Abstract: This disclosure discloses a printing apparatus comprising a feeding device that applies a driving force to feed a print-receiving medium; a print forming device that performs a print forming process on the print-receiving medium; a harmonization controlling portion that harmonizes and controlling a driving speed of the feeding device and the print forming process operation of the print forming device, based on an input of print information by using a predetermined harmonization correlation; and a harmonization changing portion that changes the harmonization correlation according to properties of the print-receiving medium or a bonding medium to be bonded thereto.

Abstract: This is a simple and effective multi-feed system for use in marking apparatus where the transport of paper or other media is vital. The system is independent of the weight or type of paper used as was not the case in the prior art. The present system employs the natural strength and thickness of the paper to separate one sheet from the other. This separation is used to trigger a detector alerting the system of a multi-feed of paper.

Abstract: A sheet conveying device, that can be included in an image forming apparatus, includes a drive source, a drive roller driven by the drive source, a driven roller to press against the drive roller and rotate with the drive roller, an angular velocity detector to detect an angular velocity of the drive roller, a timing estimation unit to estimate a timing when a sheet-type recording medium enters between the drive roller and the driven roller, and a controller to control the drive source based on detection results obtained by the angular velocity detector. The controller includes a feedback control unit to perform feedback control based on data obtained by the angular velocity detector, and a feed-forward control unit to perform feed-forward control based on data obtained by the timing estimation unit.

Abstract: A sheet transport apparatus includes a pair of rollers for transporting a sheet and a sheet detection device for detecting the sheet transported by the pair of rollers. The sheet detection device includes a flag that is displaceable when urged by the sheet transported by the pair of rollers and a single-chip acceleration sensor attached to the flag to detect the arrival of the sheet. When the sheet is brought into contact with the flag to rotate the flag, the acceleration sensor detects the roll acceleration of the flag so as to determine the timing of stopping the pair of rollers on the basis of a detection signal.

Abstract: A method of synchronizing the feeding and printing of sheets of media, i.e., paper, envelopes, post cards, etc. even though shingled feeds have occurred in the system. The foregoing is accomplished by utilizing two sensors and counters to monitor two sheets of paper to allow two software tasks to stay in synchronization and release the appropriate print data to the printer even when a sheet of paper was not detected in the feeder appears at the print head. The feeder sensor has a counter for its Lead Edge as does the Start of Print Sensor that is in the system's transport paper path. The feeder sensor counter and the start of print counter are incremented and decremented as the paper approaches the sensor and leaves the sensor. If the lead edge counter of the feeder sensor goes negative, then the feeder has shingled and the data for that sheet of paper must be printed.

Abstract: An automatic document feeder, included in an image reading system that can be included in an image forming apparatus, is configured to transfer an original document to an image reader included in the image reading system, and includes a first drive unit configured to include a first motor to drive the document separation and feed unit, a second drive unit configured to include a second motor to drive the document conveyance unit, a third drive unit configured to include a third motor to drive the document discharging unit, where at least two motors of the first, second, and third motors disposed in a substantially in-line arrangement, and a cooling member configured to supply a coolant to the at least two motors disposed in a substantially in-line arrangement, to the first, second, and third motors, in that order.

Abstract: A medium transferring mechanism for transferring a sheet medium in a medium transferring direction, comprising: a medium inserting portion into which the sheet medium is inserted, the medium inserting portion defined by a bottom face and by a first side face and a second side face which extend from the bottom face and opposed to each other; a medium transferring path formed at a forward end of the medium inserting portion, and operable to guide the sheet medium in the medium transferring direction; a feeding member disposed at a side of the first side face and operable to feed the sheet medium to the medium transferring path; and a pressing member disposed at the side of the second side face and operable to press the sheet medium against the feeding member, wherein a first guide face extending toward the first side face is formed at a forward end portion of the second side face; a second guide face extending from the second side face so as to gradually get close to the medium transferring path towards the med

Abstract: An apparatus for feeding sheets made from paper, paperboard and the like to a processing machine, includes a stacking table with a delivery device, by way of which the sheets disposed upright on one of their edges are fed to a separating apparatus. The stacking table is divided and has a fixed part and a part mounted in such a way that it can pivot about a rotational axis. A method for feeding a stack or bundle of sheets into the apparatus is also provided.

Abstract: The present invention discloses a pile board for a printing press, waste-free and easy to handle. The sheet pile board 1 comprises a base 10 formed with a resin having a piling face 12 on which said printing media are piled up, and grooves 11 formed on said piling face and insertable of a supporting member to support said printing media, and a metallic reinforcing member 20 provided in said base 10. The sheet pile board 1, wherein the base 10 is formed with resin, is lower in strength of the base 10 itself than that of a wooden base, but is significantly strengthened because four metallic pipes 20 are buried in the rear face. Even when piling up a large quantity of heavy printing media, the sheet pile board 1 is properly piled with them and supports them without bending.

Abstract: A source document guide apparatus prevents curling of a source document as the document is fed through a document reproduction machine. The source document guide includes a flat member having a surface and leading and trailing end portions, and at least one fastener at the leading end portion configured to attach the flat member to the document reproduction machine.

Abstract: An image recording device includes a conveying roller which extends in an axial direction, and a guide member which extends in the axial direction and is configured to guide a recording medium toward the conveying roller. The guide member includes a first end portion, a second end portion, and a middle portion positioned between the first end portion and the second end portion in the axial direction. The device also includes a supporting member which extends in the axial direction and is separated from the conveying roller by a predetermined distance. Moreover, the first end portion and the second end portion are in a fixed position with respect to the conveying roller, and the middle portion is in a fixed position with respect to the supporting member.

Abstract: When a printing instruction is provided, a CPU causes a stepping motor M to drive a developer and calculates the value of a load of the stepping motor M before printing operations are performed. Then, CPU determines whether the value of the load is within a predetermined range stored in advance. If the value is not within the predetermined range, CPU causes a display to display an error message.

Abstract: A sheet conveying device, that can be included in an image forming apparatus, includes a first sheet conveying path, a second sheet conveying path, a third conveying path, and a belt-type sheet conveying unit. The first sheet conveying path has a curved portion, and feeds and conveys a sheet therethrough. The second sheet conveying path has a curved portion and different from the first sheet conveying path, and feeds and conveys the sheet therethrough. The third sheet conveying path is provided from a confluence of the first sheet conveying path and the second sheet conveying path. The belt-type sheet conveying unit is disposed on one side of the third sheet conveying path corresponding to an outer side of the curved portion of the first sheet conveying path and an inner side of the curved portion of the second sheet conveying path.

Abstract: An image reading apparatus includes a platen which is set at an image reading position, a loading guide portion which is arranged upstream in a convey direction of an original to be adjacent to the platen and guides the original to an upper surface of the platen, a scoop-up guide portion which is arranged downstream in the convey direction of the original to be adjacent to the glass platen and guides a leading edge of the original, which has passed through the platen, by scooping up, a convey guide portion which is arranged to oppose the platen and scoop-up guide portion, to form a convey path between the convey guide portion and both of the platen and the scoop-up guide portion, a support portion which supports the convey guide portion to be slidable parallel to the platen, and a regulating portion which is arranged between the convey guide portion and the scoop-up guide portion to hold a constant gap between the convey guide portion and the scoop-up guide portion.