A medium-transporting device includes: a medium-support section that has a first mounting surface inclined relative to a horizontal plane; a transport path for transporting a medium; a discharge stacker that is configured to switch between an extended state in which a second mounting surface that is inclined relative to the horizontal plane and that receives the medium discharged along the transport path is formed and a stored state in which the second mounting surface is stored in the medium-transporting device, a control section is configured to perform first control of switching the discharge stacker from the extended state to the stored state after the medium is discharged to the second mounting surface and second control of not switching the discharge stacker from the extended state to the stored state such that the medium remains mounted on the second mounting surface.

According to one embodiment, a sheet cassette includes a sheet placing portion. The sheet placing portion can rotate around a rotation shaft while placing a sheet of a placeable maximum size in a sheet placing area to be flat. The rotation shaft extends to be perpendicular to a discharge direction and a gravity direction of the sheet. The rotation shaft is disposed between a first end portion on a downstream side along the discharge direction in the sheet placing area and a second end portion on an upstream side positioned on a side opposite to the first end portion.

According to one embodiment, a sheet cassette includes a sheet placing portion. The sheet placing portion can rotate around a rotation shaft while placing a sheet of a placeable maximum size in a sheet placing area to be flat. The rotation shaft extends to be perpendicular to a discharge direction and a gravity direction of the sheet. The rotation shaft is disposed between a first end portion on a downstream side along the discharge direction in the sheet placing area and a second end portion on an upstream side positioned on a side opposite to the first end portion.

Examples include: a leveling system for a top feeder of a printer, where the top feeder includes a media positioning arrangement. The leveling system has a detector for detecting reflected light and generating a three-dimensional image comprising media positioning regions corresponding to the media positioning arrangement on a top sheet of a media stack installed into the top feeder. Also, the leveling system has an actuator configured to adjust heights of different points of the bottom of the media stack. Further, it has a controller for selecting, based on the three-dimensional image, adjustments to the heights for improving leveling of at least one of the media positioning regions; and controlling the actuator to implement the adjustments.

Examples include: a leveling system for a top feeder of a printer, where the top feeder includes a media positioning arrangement. The leveling system has a detector for detecting reflected light and generating a three-dimensional image comprising media positioning regions corresponding to the media positioning arrangement on a top sheet of a media stack installed into the top feeder. Also, the leveling system has an actuator configured to adjust heights of different points of the bottom of the media stack. Further, it has a controller for selecting, based on the three-dimensional image, adjustments to the heights for improving leveling of at least one of the media positioning regions; and controlling the actuator to implement the adjustments.

A medium-transporting device includes: a medium-support section that has a first mounting surface inclined relative to a horizontal plane; a transport path for transporting a medium; a discharge stacker that is configured to switch between an extended state in which a second mounting surface that is inclined relative to the horizontal plane and that receives the medium discharged along the transport path is formed and a stored state in which the second mounting surface is stored in the medium-transporting device, a control section is configured to perform first control of switching the discharge stacker from the extended state to the stored state after the medium is discharged to the second mounting surface and second control of not switching the discharge stacker from the extended state to the stored state such that the medium remains mounted on the second mounting surface.

A medium-transporting device includes: a medium-support section that has a first mounting surface inclined relative to a horizontal plane; a transport path for transporting a medium; a discharge stacker that is configured to switch between an extended state in which a second mounting surface that is inclined relative to the horizontal plane and that receives the medium discharged along the transport path is formed and a stored state in which the second mounting surface is stored in the medium-transporting device, a control section is configured to perform first control of switching the discharge stacker from the extended state to the stored state after the medium is discharged to the second mounting surface and second control of not switching the discharge stacker from the extended state to the stored state such that the medium remains mounted on the second mounting surface.

A sheet feeding apparatus includes an apparatus body, an opening/closing portion supported on the apparatus body, a sheet supporting portion supported on the opening/closing portion and configured to support a sheet, a rotary feeding member provided on the apparatus body and configured to feed the sheet supported on the sheet supporting portion in a feeding direction, a first engagement portion provided on the apparatus body, and a second engagement portion provided on a downstream end portion of the sheet supporting portion in the feeding direction, the second engagement portion being configured to engage with the first engagement portion in an intersecting direction that intersects an axial direction of the rotary feeding member in a state where the opening/closing portion is positioned at the open position.

A sheet feeding apparatus includes an apparatus body, an opening/closing portion supported on the apparatus body, a sheet supporting portion supported on the opening/closing portion and configured to support a sheet, a rotary feeding member provided on the apparatus body and configured to feed the sheet supported on the sheet supporting portion in a feeding direction, a first engagement portion provided on the apparatus body, and a second engagement portion provided on a downstream end portion of the sheet supporting portion in the feeding direction, the second engagement portion being configured to engage with the first engagement portion in an intersecting direction that intersects an axial direction of the rotary feeding member in a state where the opening/closing portion is positioned at the open position.

A sheet feeding device includes a casing; a door rotatable relative to the casing; a tray configured to stack a sheet thereon and rotatable between a closed position where the tray is closed to the casing, a first open position where the tray opens relative to the casing at a first angle, and a second open position where the tray opens relative to the casing at a second angle larger than the first angle; and a sheet feeding unit provided in the casing and configured to feed the sheet stacked on the tray being in the first position. When the door is opened relative to the casing at an angle exceeding the first angle in a state in which the tray is in the first open position, the door moves the tray to the second open position.