Abstract: A sheet supply device in an embodiment includes a cassette, a housing, a drawing-in device, a roller, and a guide member. The housing supports the cassette to be movable in a first direction. The drawing-in device draws the cassette into the housing. The roller is supported by one of the cassette and the housing. The guide member is supported by another of the cassette and the housing. The guide member includes a groove having the first direction as a longitudinal direction and having a third direction orthogonal to the first direction and the second direction as a width direction. The roller is disposed in a first portion in the first direction of the groove in a state in which the cassette is housed in the housing.

Abstract: A postprocessing device includes a processing tray, a first transport roller, a second transport roller, a sidetrack, a sidetrack roller, and a controller. The controller shunts a preceding recording medium to the sidetrack by rotating the sidetrack roller, determines, on a basis of a length of the preceding recording medium in a transport direction, a timing to stop the rotation of the sidetrack roller such that, when the sidetrack roller is made to start rotating at a predetermined timing to start, a leading edge of a following recording medium transported by the second transport roller becomes aligned with a leading edge of the preceding recording medium, stops the rotation of the sidetrack roller at the determined timing, and transports the preceding recording medium with the following recording medium stacked thereon, to the processing tray, by rotating the second transport roller and the sidetrack roller at the reference timing to start.

Abstract: A magnetic ink reading device includes a housing having a slot through which a medium is inserted, a roller driven by a motor by which the medium is conveyed along a conveyance path, one or more sensors arranged along the conveyance path and configured to detect the medium at one or more respective positions, a magnetic head configured to read a magnetic pattern formed on the medium with magnetic ink, and a controller. The controller is configured to control the motor to convey the medium inserted through the slot, measure a length in a conveyance direction of the medium using outputs from the sensors, and control the magnetic head to read the magnetic pattern from the medium while controlling the motor to continuously convey the medium for a period corresponding to the measured length.

Abstract: An image forming apparatus includes a printing device, a nipping rotator, an upstream support stand, a plurality of rotators, a supporter, and an adjusting mechanism. The printing device prints an image on a plate-shaped printing medium. The nipping rotator conveys the plate-shaped printing medium. The upstream support stand supports the plate-shaped printing medium at a position upstream from the nipping rotator in a conveyance direction of the plate-shaped printing medium. The plurality of rotators are disposed side by side. The supporter supports the plurality of rotators. The adjusting mechanism adjusts relative positions of the plurality of rotators and the supporter.

Abstract: A medium conveying apparatus includes a cover that is supported by a main body so as to be arranged in an opening position or a closing position, an arm that protrudes into a conveying path formed between the cover and the main body and is retracted from the conveying path, a lock mechanism that fixes the cover to the main body with the cover arranged in the closing position, and a mechanism that retracts the arm from the conveying path when the lock mechanism shifts from a first state in which the lock mechanism releases the cover from the main body to a second state in which the lock mechanism fixes the cover to the main body.

Abstract: A printing system includes a driving belt configured to drive media through the printing system relative to one or more print heads and a vacuum conveyor system. The vacuum conveyor system includes a vacuum chamber cover having a first surface and a second surface opposite the first surface, as well as a plurality of slots through the cover that form openings from the first surface to the second surface. A seal, disposed within and extending along at least a portion of a length of a respective slot, is drivable to open or close the respective slot. A vacuum chamber below the second surface of the vacuum chamber cover is configured to apply a vacuum to the media through the plurality of slots. The applied vacuum constrains the media on the driving belt by flattening it against the driving belt.

Abstract: A medium transport device includes: a first transport unit on a front side and a first transport unit on a rear side that are respectively disposed in a front part and a rear part of a region having a length in a transport direction of a medium having a transportable minimum size and that transport the medium while nipping the medium; a second transport unit that is disposed between the first transport units and that transports the medium while nipping the medium and pulling the nipped medium outward in a width direction intersecting the transport direction; and a controller that performs control so that the medium transport device transports the medium while nipping the medium by using only the second transport unit when the medium is a thin medium having a thickness less than or equal to a predetermined thickness and so that the medium transport device transports the medium while nipping the medium by using the first transport units and the second transport unit when the medium is a medium other than the th

Abstract: An image forming apparatus includes: a holding body configured to hold a formed image; a conveyance unit configured to convey a recording medium with a leading end of the recording medium gripped by a gripping portion; and a transfer body including a recessed portion that accommodates the gripping portion and is provided along a direction substantially orthogonal to a rotational direction, configured to sandwich the recording medium conveyed by the conveyance unit between the transfer body and the holding body to transfer an image on the holding body to the recording medium conveyed by the conveyance unit, and including a slope surface provided at a leading end of a portion of an outer circumference not including a portion where the recessed portion is provided, the leading end being on a front end side in the rotational direction, a distance from the slope surface to a rotational center becoming larger toward a downstream side in the rotational direction.

Abstract: A transport device includes: a rotating member that rotates; a circulating member that is loop-shaped and wrapped around the rotating member, the circulating member being circulated by rotation of the rotating member; and a pair of pinching members attached to an attachment portion of the circulating member and circulated together with the circulating member, the pair of pinching members changing from a separated state, in which the pair of pinching members are separated from each other, to a closely positioned state to pinch a transport object that has entered a space between the pair of pinching members in the separated state. The attachment portion of the circulating member is in contact with the rotating member when the transport object starts to enter the space between the pair of pinching members in the separated state.

Abstract: An image forming apparatus includes a sensor that acquires first and second data groups of paper characteristics by measuring a recording medium; a processor that determines a parameter for controlling at least one of image formation and conveyance of a recording medium on a conveyance path based on the first and second data groups acquired by the sensor; an image former that forms an image on a recording medium conveyed on the conveyance path based on the parameter. The processor compares the first and second paper characteristic data groups, the first paper characteristic data group has been measured at a first time period and the second paper characteristic data group has been measured at a second time period nearer to a present time than the first time period, and the processor controls the image formation based on a the comparison result.

Abstract: A sheet feeding apparatus includes a sheet stacker, an air blower, a suction feeder, a lifting mechanism, an elevation detection sensor, an elevation detection sensor, a feed detection sensor, and processing circuitry. The air blower blows air to float an uppermost sheet of sheets stacked on the sheet stacker. The processing circuitry drives the lifting mechanism such that the sheet stacker is lifted by an elevation amount determined based on a sheet thickness of the sheets stacked on the sheet stacker, each time a sheet is detected when a number of sheets detected is smaller than a threshold number of sheets, and stops lifting of the sheet stacker until a sheet is not detected when the number of sheets reaches the threshold number of sheets, while repeatedly feeding the uppermost sheet and counting the number of sheets.

Abstract: A sheet conveyance device includes a conveyance roller having first and second end portions in a rotation axis direction, an open bearing supporting the first end portion, a frame supporting the open bearing, and a second end support portion supporting the second end portion. The open bearing includes a roller support portion supporting the conveyance roller and an open portion allowing the conveyance roller to be removed through the open portion from the roller support portion in a direction perpendicular to a rotation axis. The open bearing is movable from a first position, at which the conveyance roller is restricted from moving, to a second position at which the conveyance roller can move in the rotation axis direction. The second end portion is removable from the second end support portion by moving the conveyance roller from the second toward first end portion with the open bearing at the second position.

Abstract: A removable raised tray system for a printing system generally includes a removable tray operatively arranged to receive print media thereon. The removable tray includes an upper tray surface having an electrically conductive material, a lower tray surface, and at least one tray leg that is connected to the removable tray, which is configured to support the removable tray at a position that is raised relative to a platform surface of a printer feeder or stacker. The at least one leg includes a releasable fastening assembly, such as a rare earth magnet, that releasably secures the removable tray to the platform surface thereby allowing the tray to easily attached and removed from the printer feeder or stacker. The electrically conductive material of the tray surface and the platform surface are electrically conductively connected to one another so as to prevent the build-up of static electricity.

Abstract: A medium-feeding apparatus includes a movement detector configured to output information on movement of a medium in a first direction parallel to a feeding direction and in a second direction intersecting the feeding direction. A control unit is configured to perform abnormal feeding processing depending on the movement of the medium in the second direction. In the abnormal feeding processing, the control unit stops feeding of the medium when a first value indicating the movement of the medium in the first direction is within an allowable range and when a second value indicating the movement of the medium in the second direction exceeds a threshold, and continues feeding of the medium when the first value is outside the allowable range.

Abstract: A conveyor configured to transport sheets along a transport path from an input end to a discharge end includes a main frame, an upper conveyor deck supported by the main frame and having a plurality of belts and a lower conveyor deck supported by the main frame and having a plurality of wheels. The transport path is defined by the contact surfaces of the plurality of belts in the first contact region and the contact surfaces of the plurality of wheels in the second contact region, and the conveyor is configured such that the sheets make direct contact with the contact surfaces of the plurality of belts and make direct contact with the contact surfaces of the plurality of wheels when the sheets move along the transport path. The wheels are shiftable in the third direction relative to the belts and relative to the main frame.

Abstract: A sheet feeding apparatus includes a sheet supporting unit, a sheet feed unit, an air separation unit configured to separate the uppermost sheet by blowing the air onto a side surface of the sheet bundle supported by the sheet supporting unit, a velocity detection unit configured to detect actual velocity of a sheet fed by the sheet feed unit, a drive load detection unit configured to detect an actual drive load for feeding the sheet by the sheet feed unit, and a controller configured to control the sheet feed unit and the air separation unit. In a case where the sheet is fed by the sheet feed unit, the controller is configured to control an operation of the air separation unit depending on the actual velocity of the sheet detected by the velocity detection unit and the actual drive load detected by the drive load detection unit.

Abstract: A medium conveying apparatus includes a conveying roller to convey a medium, an end detection sensor for detecting a position of an end of the medium conveyed by the conveying roller, an overlap detection sensor for detecting an overlap of the medium conveyed by the conveying roller in a detection area, and a processor to determine whether an overlap detection is valid or invalid based on a positional relationship between the position of the end of the medium detected by the end detection sensor and the detection area, and execute an abnormality processing for multi-feed based on a detection result by the overlap detection sensor when it is determined that the overlap detection is valid.

Abstract: A medium conveying apparatus includes a conveying roller to convey a medium, a width detection sensor for detecting a width of the medium conveyed by the conveying roller in a direction perpendicular to a conveying direction, an overlap detection sensor for detecting an overlap of the medium conveyed by the conveying roller, and a processor to determine whether to execute an abnormality processing for a multi-feed, based on the width of the medium acquired based on a detection result by the width detection sensor and a detection result by the overlap detection sensor. The processor acquires an overlap detection width being a width in which the medium is estimated to overlap in the direction perpendicular to the conveying direction, based on the detection result by the overlap detection sensor. The processor executes the abnormality processing when the width of the medium and the overlap detection width are equal.

Abstract: A conveyance mechanism includes a lower conveyance guide below an inclined conveyance path having upward or downward inclinations with which a sheet material is to be conveyed, that guides a lower surface of the sheet material; an upper conveyance guide above the inclined conveyance path, that guides an upper surface of the sheet-shaped material, the upper conveyance guide being openable and closable about a rotation shaft, which is on a side of the inclined conveyance path in a direction of a width of the inclined conveyance path to extend along the inclined conveyance path; and a first urging member to urge a portion of the upper conveyance guide away from the rotation shaft in the direction of the width of the inclined conveyance path toward the rotation shaft, the portion of the upper conveyance guide being at an upper end of the upper conveyance guide in an inclined direction.

Abstract: The invention relates to a foot pedal control unit for an ophthalmic surgery system. The unit has a base and a treadle that is configured for pivotal pitch movement and for pivotal yaw movement relative to the base for generating control signals to an ophthalmic surgery system. The unit further comprises an inlay cover that is removably placed on the treadle. Optionally, the unit comprises a locking element that is movable between a lock position wherein the treadle is locked against pivotal yaw movement and a release position wherein the treadle is enabled to perform pivotal yaw movement.