An apparatus includes a housing provided with a conveyance path, a conveyance unit which conveys a sheet along the conveyance path, a discharge port from which the sheet conveyed along the conveyance path is discharged, a discharge tray on which the sheet discharged from the discharge port is stacked, and an attitude change unit which changes an attitude of the discharge tray. The discharge tray includes a first sheet receiving surface which is a portion facing the discharge port in a discharge direction of the sheet and on which a leading edge of the sheet lands, and a second sheet receiving surface which is formed at a predetermined inclination with respect to the first sheet receiving surface. The attitude change unit changes the attitude of the discharge tray so that the first sheet receiving surface of the discharge tray is inclined toward the discharge port.

An apparatus includes a housing provided with a conveyance path, a conveyance unit which conveys a sheet along the conveyance path, a discharge port from which the sheet conveyed along the conveyance path is discharged, a discharge tray on which the sheet discharged from the discharge port is stacked, and an attitude change unit which changes an attitude of the discharge tray. The discharge tray includes a first sheet receiving surface which is a portion facing the discharge port in a discharge direction of the sheet and on which a leading edge of the sheet lands, and a second sheet receiving surface which is formed at a predetermined inclination with respect to the first sheet receiving surface. The attitude change unit changes the attitude of the discharge tray so that the first sheet receiving surface of the discharge tray is inclined toward the discharge port.

A card stacker includes a stack support that supports a stack of card substrates, a card lift mechanism, a card feed mechanism, and a retraction mechanism. The card lift mechanism is configured to support the card substrate in a lift position below the stack support, and drive the card substrate to a raised position, in which the card substrate is supported on the stack support at the bottom of the stack. The card feed mechanism includes a first transport roller having a feed position, in which the first transport roller engages a top surface of the card substrate in the lift position, and a retracted position when the card substrate is in the raised position, in which the first transport roller is on the bottom side of the stack support. The retraction mechanism is configured to move the first transport roller between the feed and retracted positions.

A card stacker includes a stack support that supports a stack of card substrates, a card lift mechanism, a card feed mechanism, and a retraction mechanism. The card lift mechanism is configured to support the card substrate in a lift position below the stack support, and drive the card substrate to a raised position, in which the card substrate is supported on the stack support at the bottom of the stack. The card feed mechanism includes a first transport roller having a feed position, in which the first transport roller engages a top surface of the card substrate in the lift position, and a retracted position when the card substrate is in the raised position, in which the first transport roller is on the bottom side of the stack support. The retraction mechanism is configured to move the first transport roller between the feed and retracted positions.

A paper feeding device includes: a loading unit on which a recording medium is loaded; a pair of walls provided to define a loading space above the loading unit between both sides in a direction intersecting with a direction of transport of the recording medium; an opening and closing member that is provided between upper portions of the pair of walls and opens and closes the loading space; and a cutout part that is provided on one of the pair of walls and in which a portion located upstream in the transport direction is located lower than a portion located downstream in the transport direction.

A paper feeding device includes: a loading unit on which a recording medium is loaded; a pair of walls provided to define a loading space above the loading unit between both sides in a direction intersecting with a direction of transport of the recording medium; an opening and closing member that is provided between upper portions of the pair of walls and opens and closes the loading space; and a cutout part that is provided on one of the pair of walls and in which a portion located upstream in the transport direction is located lower than a portion located downstream in the transport direction.

A card stacker includes a stack support that supports a stack of card substrates, a card lift mechanism, a card feed mechanism, and a retraction mechanism. The card lift mechanism is configured to support the card substrate in a lift position below the stack support, and drive the card substrate to a raised position, in which the card substrate is supported on the stack support at the bottom of the stack. The card feed mechanism includes a first transport roller having a feed position, in which the first transport roller engages a top surface of the card substrate in the lift position, and a retracted position when the card substrate is in the raised position, in which the first transport roller is on the bottom side of the stack support. The retraction mechanism is configured to move the first transport roller between the feed and retracted positions.

A card stacker includes a stack support that supports a stack of card substrates, a card lift mechanism, a card feed mechanism, and a retraction mechanism. The card lift mechanism is configured to support the card substrate in a lift position below the stack support, and drive the card substrate to a raised position, in which the card substrate is supported on the stack support at the bottom of the stack. The card feed mechanism includes a first transport roller having a feed position, in which the first transport roller engages a top surface of the card substrate in the lift position, and a retracted position when the card substrate is in the raised position, in which the first transport roller is on the bottom side of the stack support. The retraction mechanism is configured to move the first transport roller between the feed and retracted positions.

A flange portion extending outward from a main shaft portion is disposed outside a side plate with respect to a position of an attachment member in a main direction when the attachment member is mounted to the side plate. A restriction slot is formed in the attachment member such that the flange portion can be fitted in and pass through the restriction slot. In the middle of the process where the attachment member is mounted to a second side plate in the main direction, the flange portion is fitted in the restriction slot, thereby the sheet detecting member is restricted from rotating, and one of a pair of projection portions of a sheet guide member is inserted in a hole of the attachment member.