A sheet feeding apparatus includes a supporting portion, a feeding portion, a separating portion, a type detection portion, a control portion, and a type input portion. The type input portion inputs information on a type of the sheet supported by the supporting portion. The control portion selectively executes a first mode in which the type of the sheet supported by the supporting portion is set by information detected by the type detection portion while the sheet is fed, and a second mode in which the type of the sheet supported by the supporting portion is set by the information input by the type input portion to execute feeding of the sheet. The control portion executes a setting process of setting an air blowing operation to be executed in the first mode, and a choosing process of choosing one of the first mode and the second mode.

A sheet feeding apparatus includes a supporting portion, a feeding portion, a separating portion, a type detection portion, a control portion, and a type input portion. The type input portion inputs information on a type of the sheet supported by the supporting portion. The control portion selectively executes a first mode in which the type of the sheet supported by the supporting portion is set by information detected by the type detection portion while the sheet is fed, and a second mode in which the type of the sheet supported by the supporting portion is set by the information input by the type input portion to execute feeding of the sheet. The control portion executes a setting process of setting an air blowing operation to be executed in the first mode, and a choosing process of choosing one of the first mode and the second mode.

A separation/collection device is provided in a paper sheet conveyance device for generating an airstream in a conveyance duct and for conveying a paper sheet inserted into the conveyance duct by being pushed from behind by a conveyance subsidiary body moving in the conveyance duct by receiving the airstream. The separation/collection device separates and collects the conveyance subsidiary body and the paper sheet at an ending portion of a conveyance path. The separation/collection device includes a separation unit that passes the paper sheet pushed and conveyed by the conveyance subsidiary body, in a downstream direction, and that stops the conveyance subsidiary body by contacting the conveyance subsidiary body with the separation unit, a tubular path part that receives the paper sheet output from the separation unit, and a rib provided on an inner wall of the path part.

A separation/collection device is provided in a paper sheet conveyance device for generating an airstream in a conveyance duct and for conveying a paper sheet inserted into the conveyance duct by being pushed from behind by a conveyance subsidiary body moving in the conveyance duct by receiving the airstream. The separation/collection device separates and collects the conveyance subsidiary body and the paper sheet at an ending portion of a conveyance path. The separation/collection device includes a separation unit that passes the paper sheet pushed and conveyed by the conveyance subsidiary body, in a downstream direction, and that stops the conveyance subsidiary body by contacting the conveyance subsidiary body with the separation unit, a tubular path part that receives the paper sheet output from the separation unit, and a rib provided on an inner wall of the path part.

A sheet feeding apparatus includes an opening and closing portion including a supporting portion, the opening and closing portion configured to move to a closed position and to an opened position that is a sheet feeding position, a sheet feeding portion, an opening and closing detection portion configured to detect the sheet feeding position, a separating portion configured to blow air toward the plurality of sheets supported on the supporting portion to separate the sheets, and a control portion configured to execute a separating mode of performing an air blowing operation by the separating portion in feeding the sheets by the sheet feeding portion. In the separating mode, the control portion is configured to stop the air blowing operation in a case where movement of the opening and closing portion from the sheet feeding position toward the closed position has been detected by the opening and closing detection portion.

A sheet feeding apparatus includes an opening and closing portion including a supporting portion, the opening and closing portion configured to move to a closed position and to an opened position that is a sheet feeding position, a sheet feeding portion, an opening and closing detection portion configured to detect the sheet feeding position, a separating portion configured to blow air toward the plurality of sheets supported on the supporting portion to separate the sheets, and a control portion configured to execute a separating mode of performing an air blowing operation by the separating portion in feeding the sheets by the sheet feeding portion. In the separating mode, the control portion is configured to stop the air blowing operation in a case where movement of the opening and closing portion from the sheet feeding position toward the closed position has been detected by the opening and closing detection portion.

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.

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.

Examples described herein include devices and methods for adjusting a suction force for a media holddown, comprising detecting an advancement of a media (114) relative to a media holddown surface along a media advancement direction (X), wherein the holddown surface has a plurality of suction zones arranged along the media advancement direction, and adjusting a suction force in the respective suction zones in accordance with the advancement of the media relative to the media holddown surface.

A feeding apparatus comprises: a blower unit that is able to perform a first air blowing operation on sheets which are stacked on a stacking unit, and a second air blowing operation that volume of air blowing is smaller than volume of air blowing in the first air blowing operation; a feeding unit, brought into contact with the sheets stacked on the stacking unit and located on a feeding position to which feeding is performed while pressing the sheets from above, for feeding the sheets that have performed the first air blowing operation; and a control unit for controlling the blower unit to perform the first air blowing operation until a start of feeding by the feeding unit so as to separate the sheets stacked on the stacking unit.