Patent Publication Number: US-11383949-B2

Title: Medium loading device

Description:
The present application is based on, and claims priority from JP Application Serial Number 2019-134355, filed on Jul. 22, 2019, the disclosure of which is hereby incorporated by reference herein in its entirety. 
     BACKGROUND 
     1. Technical Field 
     The present disclosure relates to a medium loading device. 
     2. Related Art 
     For example, a sheet post-processing device (for example, a medium loading device) configured to carry a medium discharged from a copying device (for example, printing apparatus) is proposed (for example, JP-A-11-165935). 
     The medium loading device described in JP-A-11-165935 is mounted at a side portion of the printing apparatus. A medium discharged from the printing apparatus is loaded on a sheet discharge tray. The sheet discharge tray has a raised ridge that is raised from a loading surface of the sheet discharge tray. The raised ridge corrects an angle of a leading edge portion of the medium relative to the loading surface of the sheet discharge tray. The raised ridge optimizes the angle formed by the medium and the loading surface when the medium is loaded on the sheet discharge tray. This prevents the leading edge of the medium from being rounded, which allows the medium to be discharged appropriately along the loading surface of the sheet discharge tray. 
     However, when the raised ridge is provided in the discharge path through which the medium is discharged, the raised ridge may block the discharging of the medium, preventing the medium from being appropriately discharged to the sheet discharge tray. 
     SUMMARY 
     A medium loading device provides a medium loading device used for a printing apparatus including a discharging portion discharging a medium, the medium loading device including: a loading portion configured to load the medium discharged from the discharging portion; and a plurality of pressing portions provided downstream of the discharging portion in a discharging direction of the medium, the plurality of pressing portions being configured to press the medium loaded on the loading portion, wherein the loading portion includes: a first loading portion that includes a downward sloped surface sloping downward in the discharging direction and that is provided downstream of the discharging portion in the discharging direction; and a second loading portion that includes an upward sloped surface sloping upward in the discharging direction and that is provided downstream of the first loading portion in the discharging direction, the downward sloped surface and the upward sloped surface form a discharging path through which the medium is discharged, and the plurality of pressing portions include: a first pressing portion configured to press the medium loaded on the first loading portion; and a second pressing portion configured to press the medium loaded on the second loading portion. 
     A medium loading device provides a medium loading device used for a printing apparatus including a discharging portion discharging a medium, and a first loading portion configured to load the medium, the first loading portion including a downward sloped surface sloping downward in the discharging direction and provided downstream in a discharging direction, in which the discharging portion discharges the medium, the medium loading device including: a second loading portion configured to load the medium and including an upward sloped surface sloping upward in the discharging direction and provided downstream of the first loading portion in the discharging direction; and a plurality of pressing portions configured to press the medium loaded on the first loading portion and the second loading portion, and provided downstream of the discharging portion in the discharging direction, wherein the plurality of pressing portions includes: a first pressing portion configured to press the medium loaded on the first loading portion; and a second pressing portion configured to press the medium loaded on the second loading portion. 
    
    
     
       BRIEF DESCRIPTION OF THE DRAWINGS 
         FIG. 1  is a schematic view of a printing system including a medium loading device according to an exemplary embodiment 1. 
         FIG. 2  is a perspective view of a schematic configuration of a printing apparatus. 
         FIG. 3  is a cross-sectional view schematically illustrating an internal structure of the printing apparatus. 
         FIG. 4  is a perspective view of a medium loading device according to the exemplary embodiment 1. 
         FIG. 5  is an enlarged view of a region A surrounded by the dashed line in  FIG. 4 . 
         FIG. 6  is an enlarged view of a boundary portion between a first loading portion and a second loading portion. 
         FIG. 7  is a cross-sectional view illustrating a state of the medium loading device according to the exemplary embodiment 1. 
         FIG. 8  is a cross-sectional view illustrating a state of the medium loading device according to the exemplary embodiment 1. 
         FIG. 9  is a schematic view illustrating an initial state in which a medium is discharged from a discharging portion of a printing apparatus to the medium loading device. 
     
    
    
     DESCRIPTION OF EXEMPLARY EMBODIMENTS 
     1. Exemplary Embodiment 
     1.1 Printing System 
       FIG. 1  is a schematic view of a printing system  1  including a medium loading device  3  according to an exemplary embodiment. As illustrated in  FIG. 1 , the printing system  1  includes a printing apparatus  2  and the medium loading device  3  according to the present exemplary embodiment. 
     The printing apparatus  2  is an inkjet-type large-sized printer having a substantially rectangular parallelepiped shape and capable of performing printing on a medium  22  having a short lateral width of at least A3 (297 mm). The printing apparatus  2  rotatably holds a roll body  25  (see  FIG. 2 ) around which the medium  22  has been wound in a roll shape, and prints an image or the like on the medium  22  by blowing ink onto the surface of the medium  22  pulled out from the roll body  25 . 
     The medium  22  on which the image has been printed is cut into a predetermined dimension, and is discharged from a discharging portion  18  (see  FIG. 2 ) toward the medium loading device  3 . 
     The medium loading device  3  carries the medium  22  discharged from the discharging portion  18  of the printing apparatus  2 . The type of medium  22  to be loaded on the medium loading device  3  varies widely. For example, a medium  22  having a large bending rigidity such as a photographic sheet, or a medium  22  such as a plain sheet having a lower bending rigidity than that of the photographic sheet is used. The size of the medium  22  loaded on the medium loading device  3  also varies widely. For example, media  22  having a size ranging from A0 size to A4 size are loaded on the medium loading device  3  in a mixed manner. 
     Hereinafter, a medium  22  having a large bending rigidity such as a photographic sheet is referred to as a rigid medium  22 A. A medium  22  such as a plain sheet having a lower bending rigidity than that of a photographic sheet is referred to as a soft medium  22 B. Note that the expressions “rigid” and “soft” do not specifically limit the values of bending rigidity as well as the range of bending rigidity. That is, it is only necessary that the bending rigidity of the rigid medium  22 A is relatively larger than the bending rigidity of the soft medium  22 B, or the bending rigidity of the soft medium  22 B is relatively smaller than the bending rigidity of the rigid medium  22 A. 
     In the following description, the longitudinal direction of the printing apparatus  2  having a substantially rectangular parallelepiped shape is set as an X direction. The shorter-side direction of the printing apparatus  2  having a substantially rectangular parallelepiped shape is set as a Y direction. The height direction of the printing apparatus  2  having a substantially rectangular parallelepiped shape is set as a Z direction. In addition, a top side of an arrow indicating the direction is set as a (+) direction, and a base end side of the arrow indicating the direction is set as a (−) direction. 
     Note that the X direction is an example of an intersecting direction that intersects a discharging direction in the present application. 
     1.2 Printing Apparatus 
       FIG. 2  is a perspective view of a schematic configuration of the printing apparatus  2 .  FIG. 3  is a cross-sectional view schematically illustrating an internal structure of the printing apparatus  2 . 
     As illustrated in  FIGS. 2 and 3 , the printing apparatus  2  includes a main body  11  having a substantially rectangular parallelepiped shape and a leg portion  12 . 
     The main body  11  includes an accommodating portion  21  disposed on the −Z direction side, a recording unit  35  disposed on the +Z direction side, and a transport unit  45  that transports, to the recording unit  35 , the medium  22  unwound from the roll body  25  accommodated in the accommodating portion  21 . 
     The accommodating portion  21  has an opening  27  on the +Y direction side, and can accommodate a pair of roll bodies  25  in a state where they are arranged in the Z direction. A pair of holding units  30  that are rotatably mounted on the main body  11  are attached to each of the pair of roll bodies  25  accommodated in the accommodating portion  21 . The holding units  30  each include a first holding unit  31  that holds one end of the roll body  25 , and a second holding unit  32  that holds the other end of the roll body  25 . The first holding unit  31  and the second holding unit  32  can be detached from the main body  11  through the opening  27 . 
     With the first holding unit  31  and the second holding unit  32  holding the roll body  25 , the holding units  30  hold the roll body  25  in a rotatable manner around the central axis of a core member  23 . The roll body  25  held by the first holding unit  31  and the second holding unit  32  is driven to rotate by a drive portion (not illustrated). 
     The recording unit  35  includes a support  36 , a guide shaft  37 , a carriage  38 , and a recording head  39 . 
     The support  36  is a plate member extending in the X direction. After unwound from the roll body  25 , the medium  22  is transported to the support  36 , and then, is transported in the +Y direction on the support  36 . 
     The guide shaft  37  is located on the +Z direction side of the support  36 . The guide shaft  37  is a rod-like member extending in the X direction. The guide shaft  37  supports the carriage  38  in a movable manner along the guide shaft  37 . With a carriage motor (not illustrated) being driven, the carriage  38  is configured to be able to reciprocally move along the guide shaft  37 . 
     The recording head  39  is mounted on the carriage  38 . The recording head  39  is located on the support  36  side with respect to the carriage  38 . The recording head  39  performs printing on the medium  22  by blowing ink onto the medium  22  supported by the support  36 . 
     The transport unit  45 , in cooperation with the holding unit  30 , transports the medium  22  unwound from the roll body  25 . The transport unit  45  includes a transport-path forming portion  46 , an intermediate roller  47 , and a transport roller  48 . With a not-illustrated driving motor driving in a forward direction to cause the intermediate roller  47  and the transport roller  48  to rotate and drive, the transport unit  45  transports the medium  22  through a transport path  49  to the support  36 , and also transports it on the support  36  toward the discharging portion  18 . 
     Note that  FIG. 2  illustrates a state in which the medium  22  is sent out from both of the pair of roll bodies  25 . However, in reality, the medium  22  is sent out only from either one of the pair of roll bodies  25  at the time of actual printing. 
     Furthermore, the main body  11  includes a paper exit member  15  and a cutting portion  16 , each of which is disposed downstream of the support  36  in a direction in which the medium  22  is transported. The paper exit member  15  supports the medium  22  passing through the support  36 , and guides the medium  22  to the discharging portion  18 . The cutting portion  16  cuts the medium  22  into a predetermined dimension. The medium  22  cut by the cutting portion  16  is discharged from the discharging portion  18 . 
     1.3 Medium Loading Device 
       FIG. 4  is a perspective view of the medium loading device  3  according to the present exemplary embodiment.  FIG. 5  is an enlarged view of a region A surrounded by the dashed line in  FIG. 4 .  FIG. 6  is an enlarged view of a boundary portion between a first loading portion  61  and a second loading portion  62 .  FIGS. 7 and 8  are cross-sectional views each illustrating a state of the medium loading device  3  according to the present exemplary embodiment. 
     Note that  FIG. 6  is a diagram when viewed in the Z direction.  FIGS. 7 and 8  are diagrams when viewed in the X direction. In  FIG. 5 , a first pressing portion  81  is not illustrated in order to facilitate understanding of the state of the boundary portion between the first loading portion  61  and the second loading portion  62 . In  FIG. 7 , a medium  22  with A1 size is illustrated with the thick solid line, and a medium  22  with A3 size is illustrated with the thick dashed line. In FIG.  8 , a plurality of media  22  with A3 size loaded on the medium loading device  3  is illustrated with the thick dashed line. 
     As illustrated in  FIGS. 4 to 8 , the medium loading device  3  includes a base portion  50 , a loading portion  60  that can carry the medium  22  discharged from the discharging portion  18 , and a plurality of pressing portions  80  that can press the medium  22  loaded on the loading portion  60 . 
     The base portion  50  includes a plurality of frames  51 , and supports the loading portion  60  and the pressing portions  80 . The base  50  has four frames  51 A each extending in the Z direction. The four frames  51 A support other frames  51  of the base portion  50 , the loading portion  60 , and the pressing portions  80 . A caster  58  is attached at the end of each of the four frames  51 A on the −Z direction side, allowing the medium loading device  3  to move with the caster  58 . 
     In a case of the printing system  1 , the medium loading device  3  is moved to detach the roll body  25  from the accommodating portion  21  of the printing apparatus  2  or attach the roll body  25  to the accommodating portion  21  of the printing apparatus  2 . 
     The loading portion  60  is a portion where a medium  22  having an image printed thereon and cut into a predetermined dimension is loaded. The medium  22  that has been cut into a predetermined dimension is discharged from the discharging portion  18  of the printing apparatus  2  in the discharging direction F (hereinafter, simply referred to as a discharging direction F) of the medium  22  indicated by the arrow in the drawing, and is loaded on the loading portion  60 . 
     The loading portion  60  includes the first loading portion  61 , the second loading portion  62 , and a third loading portion  63 . The first loading portion  61 , the second loading portion  62 , and the third loading portion  63  are arranged sequentially along the discharging direction F. The first loading portion  61  is provided downstream of the discharging portion  18  of the printing apparatus  2  in the discharging direction F. The second loading portion  62  is provided downstream of the first loading portion  61  in the discharging direction F. The third loading portion  63  is provided downstream of the second loading portion  62  in the discharging direction F. In particular, when the medium loading device  3  is disposed in the +Y direction with respect to the printing apparatus  2 , the first loading portion  61  is located downstream of the discharging portion  18  of the printing apparatus  2  in the discharging direction F. In other words, the medium loading device  3  is moved with the caster  58  so that the first loading portion  61  is positioned downstream of the discharging portion  18  of the printing apparatus  2  in the discharging direction F. This allows the installation position to be adjusted with respect to the printing apparatus  2 . 
     In other words, the loading portion  60  includes the first loading portion  61  provided downstream of the discharging portion  18  in the discharging direction F, the second loading portion  62  provided downstream of the first loading portion  61  in the discharging direction F, and the third loading portion  63  provided downstream of the second loading portion  62  in the discharging direction F. 
     A groove  61   a  recessed toward the −Z direction is form in the first loading portion  61  and on the upstream side in the discharging direction F. The groove  61   a  is a recess extending in the X direction. In addition, the first loading portion  61  has a sloped surface  61   b  sloped in a manner such that the upstream side in the discharging direction F is higher and the downstream side in the discharging direction F is lower. In other words, the first loading portion  61  has a downward sloped surface  61   b  provided downstream of the discharging portion  18  of the printing apparatus  2  in the discharging direction F, the downward sloped surface  61   b  being configured to be sloped downward toward the discharging direction F. Hereinafter, the downward sloped surface  61   b  configured to be sloped downward toward the discharging direction F of the first loading portion  61  is referred to as a downward sloped surface  61   b.    
     The second loading portion  62  has a sloped surface  62   b  sloped in a manner such that the upstream side in the discharging direction F is lower and the downstream side in the discharging direction F is higher. In other words, the second loading portion  62  has an upward sloped surface  62   b  provided downstream of the first loading portion  61  in the discharging direction F, the upward sloped surface  62   b  being configured to be sloped upward toward the discharging direction F. Hereinafter, the upward sloped surface  62   b  configured to be sloped upward toward the discharging direction F of the second loading portion  62  is referred to as an upward sloped surface  62   b.    
     Note that the intersecting direction described above is a direction intersecting the discharging direction F and extending along the downward sloped surface  61   b  and the upward sloped surface  62   b.    
     The third loading portion  63  includes a sloped surface  63   b  sloped in a manner such that the upstream side in the discharging direction F is lower and the downstream side in the discharging direction F is higher. In other words, the third loading portion  63  includes a sloped surface  63   b  provided downstream of the second loading portion  62  in the discharging direction F. 
     The sloped surface  63   b  has an uphill gradient greater than the uphill gradient that the upward sloped surface  62   b  has. In other words, the sloped surface  63   b  is steeper than the upward sloped surface  62   b . By setting the sloped surface  63   b  to be steeper than the upward sloped surface  62   b , it is possible to reduce the size (size of the medium loading device  3  in the Y direction) of the medium loading device  3  in the discharging direction F, and achieve miniaturization of the medium loading device  3 , as compared with a case where the sloped surface  63   b  is set to be gentler than the upward sloped surface  62   b.    
     As illustrated in  FIG. 5 , a plurality of downward sloped protrusions  61   c  protruding in the discharging direction F is provided at the end of the first loading portion  61  in the discharging direction F. The plurality of downward sloped protrusions  61   c  constitutes a portion of the downward sloped surface  61   b . A plurality of upward sloped protrusions  62   c  protruding in a direction opposite to the discharging direction F is provided at the end of the second loading portion  62  in the direction opposite the discharging direction F. The plurality of upward sloped protrusions  62   c  constitutes a portion of the upward sloped surface  62   b.    
     Each of the plurality of downward sloped protrusions  61   c  and each of the plurality of upward sloped protrusions  62   c  are disposed alternately in the intersecting direction (X direction) that intersects the discharging direction F, and partially overlap when viewed in the X direction. 
     Note that the downward sloped protrusion  61   c  is an example of the first protrusion according to the present application. The upward sloped protrusion  62   c  is an example of the second protrusion according to the present application. 
     As illustrated in  FIG. 6 , a convex portion  61   d  extending in the discharging direction F is provided at each of the end of the downward sloped protrusion  61   c  on the +X direction side and the end of the downward sloped protrusion  61   c  on the −X direction side. In other words, the convex portion  61   d  extending in the discharging direction F is provided on both end portions of the downward sloped protrusion  61   c  in the X direction. The width of the convex portion  61   d  along the X direction is smaller than the width of the downward sloped protrusion  61   c  along the X direction. 
     When a medium  22  discharged in the discharging direction F travels over the downward sloped protrusion  61   c , the medium  22  is in contact with the convex portion  61   d  provided on the downward sloped protrusion  61   c , rather than being in contact with the entire downward sloped protrusion  61   c . That is, the medium  22  comes into partial contact with the downward sloped protrusion  61   c . When the medium  22  is brought into partial contact with the downward sloped protrusion  61   c , the contact area between the medium  22  and the downward sloped protrusion  61   c  is smaller, as compared with a case where the medium  22  is brought into contact with the entire downward sloped protrusion  61   c . This facilitates the discharging of the medium  22  in the discharging direction F on the downward sloped protrusion  61   c.    
     The upward sloped protrusion  62   c  includes a convex portion  62   d  extending in the discharging direction F, the convex portion  62   d  being provided at a position equidistant between the end of the upward sloped protrusion  62   c  on the +X direction side and the end of the upward sloped protrusion  62   c  on the −X direction side. In other words, the upward sloped protrusion  62   c  includes the convex portion  62   d  extending in the discharging direction F, the convex portion  62   d  being provided so as to pass through the center of the upward sloped protrusion  62   c  in the X direction. The width of the convex portion  62   d  along the X direction is smaller than the width of the upward sloped protrusion  62   c  along the X direction. 
     When a medium  22  discharged in the discharging direction F travels over the upward sloped protrusion  62   c , the medium  22  is in contact with the convex portion  62   d  provided on the upward sloped protrusion  62   c , rather than being in contact with the entire upward sloped protrusion  62   c . In other words, the medium  22  comes into partial contact with the upward sloped protrusion  62   c . When the medium  22  is brought into partial contact with the upward sloped protrusion  62   c , the contact area between the medium  22  and the upward sloped protrusion  62   c  is smaller, as compared with a case where the medium  22  is brought into contact with the entire upward sloped protrusion  62   c . This facilitates the discharging of the medium  22  in the discharging direction F over the upward sloped protrusion  62   c.    
     Note that it may be possible to employ a configuration in which the convex portion  61   d  is provided only on the downward sloped protrusion  61   c , or a configuration in which the convex portion  62   d  is provided only on the upward sloped protrusion  62   c , or a configuration in which the convex portion  61   d ,  62   d  is provided on both the downward sloped protrusion  61   c  and the upward sloped protrusion  62   c . In other words, it is only necessary that the convex portion according to the present application is provided on at least one of the downward sloped protrusion  61   c  and the upward sloped protrusion  62   c.    
     As illustrated in  FIGS. 4 and 5 , in the first loading portion  61 , a convex portion  61   e  extending in the discharging direction F is provided on the downward sloped surface  61   b , in addition to the convex portion  61   d  provided on the downward sloped protrusion  61   c . In the second loading portion  62 , a convex portion  62   e  extending in the discharging direction F is provided on the upward sloped surface  62   b , in addition to the convex portion  62   d  provided on the upward sloped protrusion  62   c . In the third loading portion  63 , a convex portion  63   e  extending in the discharging direction F is provided on the sloped surface  63   b.    
     When the medium  22  discharged in the discharging direction F travels over the downward sloped surface  61   b , provision of the convex portion  61   e  extending in the discharging direction F brings a state in which the medium  22  is partially raised from the downward sloped surface  61   b  due to the convex portion  61   e . This results in a reduced contact area between the medium  22  and the downward sloped surface  61   b , which facilitates the discharging of the medium  22  in the discharging direction F over the downward sloped surface  61   b.    
     When a medium  22  discharged in the discharging direction F travels over the upward sloped surface  62   b , provision of the convex portion  62   e  extending in the discharging direction F brings a state in which the medium  22  is partially raised from the upward sloped surface  62   b  due to the convex portion  62   e . This results in a reduced contact area between the medium  22  and the upward sloped surface  62   b . This facilitates the discharging the medium  22  in the discharging direction F over the upward sloped surface  62   b.    
     When a medium  22  discharged in the discharging direction F travels over the sloped surface  63   b , provision of the convex portion  63   e  extending in the discharging direction F brings a state in which the medium  22  is partially raised from the sloped surface  63   b  due to the convex portion  63   e . This results in a reduced contact area between the medium  22  and the sloped surface  63   b , which facilitates the discharging of the medium  22  in the discharging direction F over the sloped surface  63   b.    
     When a medium  22  with A3 size illustrated by the dashed line in the drawing and a medium  22  with A1 size illustrated by the solid line in the drawing are discharged from the discharging portion  18  of the printing apparatus  2  and are loaded on the loading portion  60  as illustrated in  FIG. 7 , the trailing edges (end on the upstream side in the discharging direction F)  22   a  of the media  22  with the individual sizes overlap with the groove  61   a , and is disposed on the inner side of the groove  61   a , in plan view when viewed in the Z direction. In other words, in each of the media  22  with different sizes, the positions of the trailing edges  22   a  of the media  22  in the discharging direction F are substantially the same, and the trailing edges  22   a  of the media  22  with different sizes are each disposed within the groove  61   a  in plan view that is viewed in the Z direction. 
     In a state where the medium  22  is loaded on the loading portion  60 , the trailing edge  22   a  of the medium  22  descends toward the −Z direction side, and the position of the trailing edge  22   a  of the medium  22  is low as compared with a case where the groove  61   a  is not formed. 
     When the trailing edge  22   a  of a medium  22  discharged earlier ascends in a case in which a plurality of media  22  is discharged in the printing apparatus  2 , the leading edge of another medium  22  discharged later hits against the trailing edge  22   a  that has ascended. This may result in the medium  22  discharged later being less likely to be discharged appropriately in the discharging direction F. 
     In the present exemplary embodiment, the groove  61   a  is provided on the first loading portion  61 . This lowers the trailing edge  22   a  side of the medium  22  that has been discharged earlier. Thus, the medium  22  that is discharged later is more likely to be discharged appropriately in the discharging direction F, as compared with a case where the trailing edge  22   a  of the medium  22  that is discharged earlier ascends. 
     When a medium  22  with A3 size illustrated by the dashed line in  FIG. 7  and a medium  22  with A1 size illustrated by the solid line in  FIG. 7  are discharged from the discharging portion  18  of the printing apparatus  2  and are loaded on the loading portion  60 , the position of the leading edge  22   b  (end on the downstream side in the discharging direction F) of the medium  22  with A3 size differs from the position of the leading edge  22   b  of the medium  22  with A1 size in plan view when viewed in the Z direction. 
     In a case of the medium  22  with A3 size, the leading edge  22   b  of the medium  22  with A3 is disposed above the upward sloped surface  62   b . Thus, when a plurality of media  22  with A3 size is discharged from the discharging portion  18  of the printing apparatus  2  and is loaded on the loading portion  60 , the plurality of media  22  with A3 size is loaded on the first loading portion  61  and the second loading portion  62 . 
     In a case of a medium  22  with A1 size, the leading edge  22   b  of the medium  22  with size A1 is disposed outside the third loading portion  63 , that is, disposed downstream of the third loading portion  63  in the discharging direction F. Thus, when a plurality of media  22  with A1 size is discharged from the discharging portion  18  of the printing apparatus  2  and is loaded on the loading portion  60 , the plurality of media  22  with A1 size is loaded on the first loading portion  61 , the second loading portion  62 , and the third loading portion  63 . In addition, the leading edge  22   b  of the medium  22  with A1 size is disposed outside the third loading portion  63 , and hangs down toward the −Z direction. 
     Although illustration is not given, in a case of a medium  22  with A2 size, the leading edge  22   b  of the medium  22  with A2 size is disposed above the upward sloped surface  63   b . Thus, when a plurality of media  22  with A2 size is discharged from the discharging portion  18  of the printing apparatus  2  and is loaded on the loading portion  60 , the plurality of media  22  with A2 size is loaded on the first loading portion  61 , the second loading portion  62 , and the third loading portion  63 . 
     When a plurality of media  22  having different sizes is discharged from the discharging portion  18  of the printing apparatus  2  and is loaded on the loading portion  60 , not only a medium  22  with A3 size but also a medium  22  having a size greater than A3 size are loaded on the first loading portion  61  and the second loading portion  62 . The third loading portion  63  carries a medium  22  having a size greater than the A3 size. 
     Thus, when a plurality of media  22  having different sizes is discharged from the discharging portion  18  of the printing apparatus  2  and is loaded on the loading portion  60 , the volume of the media  22  to be loaded on the loading portion  60  is larger on the side of the first loading portion  61  and the second loading portion  62 , and is smaller on the third loading portion  63  side. 
     In other words, on the basis of media  22  having sizes ranging from A0 size to A4 size, the dimensions of the first loading portion  61 , the second loading portion  62 , and the third loading portion  63  in the discharging direction F are designed such that a medium  22  having a smaller size (for example, A3 size to A4 size) is more likely to be loaded on the first loading portion  61  and the second loading portion  62 , and a medium  22  having a larger size (for example, A0 size to A2 size) is more likely to be loaded on the first loading portion  61 , the second loading portion  62 , and the third loading portion  63 . Here, when the number of prints on a medium  22  having a larger size is less than the number of prints on a medium  22  having a smaller size, the volume of the media  22  to be loaded on the loading portion  60  decreases in the order of the first loading portion  61 , the second loading portion  62 , and the third loading portion  63 . 
     Thus, when the first pressing portion  81  and the second pressing portion  82  are considered to be able to press the medium  22  when the medium  22  is loaded across at least the first loading portion  61  and the second loading portion  62 . 
     A pressing portion  80  that can press the medium  22  loaded on the loading portion  60  is provided downstream of the discharging portion  18  of the printing apparatus  2  in the discharging direction F. 
     As illustrated in  FIGS. 4 and 7 , the pressing portion  80  includes: at least one first pressing portion  81  that can press a medium  22  loaded on the first loading portion  61 ; at least one second pressing portion  82  that can press a medium  22  loaded on the second loading portion  62 ; and at least one third pressing portion  83  that can press a medium  22  loaded on the third loading portion  63 . 
     The first pressing portion  81  is disposed so as to be spaced apart from the downward sloped surface  61   b . In other words, the displacement of the first pressing portion  81  is restricted in a direction away from the downward sloped surface  61   b . The second pressing portion  82  is disposed so as to be spaced apart from the upward sloped surface  62   b . In other words, the displacement of the second pressing portion  82  is restricted in a direction away from the upward sloped surface  62   b.    
     The third pressing portion  83  is disposed so as to be spaced apart from the upward sloped surface  63   b.    
     The first pressing portion  81 , the second pressing portion  82 , and the third pressing portion  83  each include a rotatable roller  90  that can be brought into contact with a medium  22 . The first pressing portion  81 , the second pressing portion  82 , and the third pressing portion  83  are configured such that the roller  90  is brought into contact with a medium  22  to press the medium  22 . 
     The roller  90  is rotatable when the pressing portions  81 ,  82 , and  83  press a medium  22 . Thus, as compared with a case where the roller  90  is fixed so as not to rotate, the medium  22  is easily discharged in the discharging direction F when the medium  22  is discharged in the discharging direction F in the loading portion  60 . 
     Here, as illustrated in  FIGS. 7 and 8 , the roller  90  of the first pressing portion  81  and the roller  90  of the second pressing portion  82  can be moved to an upper limit position and a lower limit position.  FIG. 7  illustrates a state in which the roller  90  of the first pressing portion  81  and the roller  90  of the second pressing portion  82  are moved to the lower limit position.  FIG. 8  illustrates a state in which the roller  90  of the first pressing portion  81  and the roller  90  of the second pressing portion  82  are moved to the upper limit position. As illustrated in  FIG. 7 , the roller  90  of the first pressing portion  81  is configured to be spaced apart from the downward sloped surface  61   b  at the lower limit position. In addition, as illustrated in  FIG. 7 , the roller  90  of the second pressing portion  82  is configured to be spaced apart from the upward sloped surface  62   b  at the lower limit position. In other words, the first pressing portions  81  is configured to be able to be moved to the upper limit position and the lower limit position, and be spaced apart from the downward sloped surface  61   b  at the lower limit position. The second pressing portion  82  is configured to be able to be moved to the upper limit position and the lower limit position, and be spaced apart from the upward sloped surface  62   b  at the lower limit position. 
     Note that it is only necessary that one of or both of the first pressing portion  81  and the second pressing portion  82  are configured to include a contact portion (for example, roller  90 ) that can be brought into contact with a medium  22 . 
     For example, it may be possible to employ a configuration in which the first pressing portion  81  includes a rotatable contact portion that can be brought into contact with a medium  22 , and the second pressing portion  82  includes a non-rotatable contact portion that can be brought into contact with the medium  22 . For example, it may be possible to employ a configuration in which the second pressing portion  82  includes a rotatable contact portion that can be brought into contact with a medium  22 , and the first pressing portion  81  includes a non-rotatable contact portion that can be brought into contact with the medium  22 . 
     The third pressing portion  83  may have a configuration including a rotatable contact portion (for example, roller  90 ) that can be brought into contact with a medium  22 , or a configuration including a non-rotatable contact portion that can be brought into contact with the medium  22 , as with the first pressing portion  81  and the second pressing portion  82 . 
     As illustrated in  FIG. 4 , six pieces of the first pressing portions  81  are attached to a frame  51 B extending in the X direction. In other words, six pieces of the first pressing portions  81  are disposed along the X direction. The first pressing portion  81  can swing in a direction in which the roller  90  moves toward the downward sloped surface  61   b , or in a direction in which the roller  90  moves away from the downward sloped surface  61   b.    
     Three pieces of the second pressing portions  82  are attached to each of four frames  51 C extending in the discharging direction F. In other words, three pieces of the second pressing portions  82  are disposed along the discharging direction F. Four pieces of frames  51 C, each of which has the three second pressing portions  82  attached thereto, are disposed along the X direction, and are each fixed to a frame  51 D extending in the X direction. In other words, four pieces of the second pressing portions  82  are disposed along the X direction. Furthermore, the frame  51 D extending in the X direction is fixed to a frame  51 E extending in the discharging direction F. 
     In the medium loading device  3 , three pieces of the second pressing portions  82  are disposed along the discharging direction F, and four pieces of the second pressing portions  82  are disposed along the X direction. In other words, the medium loading device  3  has 12 pieces of the second pressing portions  82  in total. The 12 pieces of the second pressing portions  82  are supported by the frames  51 C,  51 D, and  51 E, and can swing in a direction in which the roller  90  moves toward the upward sloped surface  62   b , or in a direction in which the roller  90  moves away from the upward sloped surface  62   b.    
     Note that the frames  51 C,  51 D,  51 E are examples of a frame body according to the present application. 
     The frame  51 E is rotatably attached to a frame  51 F extending in the Z direction through a rotary shaft  68 . The frames  51 C and  51 D can rotate relative to the frame  51 F, as with the frame  51 E. Furthermore, the 12 pieces of the second pressing portions  82  supported by the frames  51 C,  51 D, and  51 E can integrally rotate with respect to the frame  51 F. 
     Note that the frame  51 F is an example of a support portion according to the present application. In other words, the medium loading device  3  includes a frame body that supports the second pressing portion  82 , and a support portion that rotatably supports the frame body. 
     One third pressing portions  83  is attached to a frame  51 G extending in the discharging direction F. Four pieces of the frames  51 G, each of which has one third pressing portion  83  attached thereto, are disposed along the X direction. Thus, four pieces of the third pressing portions  83  are disposed along the X direction. 
     The third pressing portion  83  does not swing and the position of the roller  90  does not change. 
     Each of the plurality of first pressing portions  81  includes a first arm member  81   a  that is supported by the frame  51 C in a swingable manner, and the roller  90  that is rotatably supported by the top end of the first arm member  81   a . Each of the plurality of second pressing portions  82  includes a second arm member  82   a  that is supported by the frame  51 C in a swingable manner, and the roller  90  that is rotatably supported by the top end of the second arm member  82   a.    
     As illustrated in  FIG. 7 , the second arm member  82   a  includes a main body  82   a   1  including two slits  82   b  extending in the Z direction, and a support portion  82   a   2  to which the roller  90  is attached. A support shaft  86  is disposed in the slit  82   b . The support shaft  86  is attached to the frame  51 C, sticks out from the frame  51 C in the −X direction, and supports the second arm member  82   a  in a swingable manner. The second arm member  82   a  can swing in a direction toward the upward sloped surface  62   b  or in a direction away from the upward sloped surface  62   b . The roller  90  attached to the second arm member  82   a  also can swing in a direction toward the upward sloped surface  62   b  or in a direction away from the upward sloped surface  62   b.    
     Note that a cover (not illustrated) covers a portion where the support shaft  86  is disposed in the slit  82   b , that is, the portion where the second pressing portion  82  is attached to the frame  51 C. 
     In  FIG. 7 , a portion of the support  82   a   2  on a side opposite to the portion where the roller  90  is attached is sloped in a direction away from the upward sloped surface  62   b . A portion of the support portion  82   a   2  that is sloped in a direction away from the upward sloped surface  62   b  is referred to as a sloped portion K. The portion of the support portion  82   a   2  that continues with the sloped portion K and to which the roller  90  is attached is referred to as a support portion L. 
     As described above, the second arm member  82   a  includes the sloped portion K that is sloped in a direction away from the upward sloped surface  62   b , and also includes the support portion L that continues with the sloped portion K and to which the roller  90  is attached. The support portion L is disposed downstream of the sloped portion K in the discharging direction F, and extends longer in the discharging direction F than the sloped portion K. 
     With the second arm member  82   a  being provided with the sloped portion K sloped in a direction away from the upward sloped surface  62   b , it is possible to facilitate introduction of a medium  22  between the upward sloped surface  62   b  and the second arm member  82   a  even when the medium  22  is warped in a direction away from the upward sloped surface  62   b.    
     When the volume of the media  22  loaded on the second loading portion  62  increases and the thickness of media  22  loaded on the second loading portion  62  increases, the state of slope of the second arm member  82   a  changes from the state illustrated in  FIG. 7  to the state illustrated in  FIG. 8 . Specifically, the state of slope of the second arm member  82   a  changes from a state in which the support portion L of the second arm member  82   a  is disposed so as to intersect the upward sloped surface  62   b  as illustrated in  FIG. 7 , to a state in which the support portion L of the second arm member  82   a  is disposed so as to be in parallel to the upward sloped surface  62   b  as illustrated in  FIG. 8 . 
     This brings about a change from a state in which the roller  90  attached to the second arm member  82   a  presses a medium  22  as illustrated in  FIG. 7 , to a state in which the support portion L of the second arm member  82   a  together with the roller  90  presses the medium  22  as illustrated in  FIG. 8 . Thus, as the volume of the media  22  loaded on the second loading portion  62  increases, the media  22  are pressed by the roller  90  as well as the support portion L of the second arm member  82   a . This makes the media  22  less likely to move, which allows the media  22  to be loaded on the second loading portion  62  in a stable manner, as compared with a case where the media  22  are pressed only by the roller  90 . 
     As illustrated in  FIGS. 4 and 7 , four pieces of the third pressing portions  83  are disposed along the X direction, and are attached to the frame  51 G. The third pressing portions  83  do not swing, and the positions of the rollers  90  of the third pressing portions  83  do not change. 
     As described above, when the number of prints on a large medium  22  having a size greater than or equal to A2 size is less than the number of prints on a small medium  22  having a size less than A2 size, the volume of the media  22  loaded on the third loading portion  63  is less than the volume of the media  22  loaded on the first loading portion  61  and the second loading portion  62 . Thus, change in thickness of media  22  loaded on the third loading portion  63  is small, as compared with the first loading portion  61  and the second loading portion  62 . 
     In a case of the first loading portion  61  and the second loading portion  62  where change in thickness of media  22  to be loaded is large, the position of the roller  90  of the first pressing portion  81  and the position of the roller  90  of the second pressing portion  82  change in accordance with the thickness of the media  22  to be loaded. On the other hand, in a case of the third loading portion  63  where the change in thickness of the media  22  to be loaded is small, it is not necessary to change the position of the roller  90  of the third pressing portion  83  in accordance with the thickness of the media  22  to be loaded. 
     Thus, the present exemplary embodiment is configured such that the positions of the rollers  90  of the first loading portion  61  and the second loading portion  62  change, and the position of the roller  90  of the third loading portion  63  does not change. Note that the third loading portion  63  may be configured to swing and the position of the roller  90  of the third pressing portion  83  may change. 
       FIG. 9  is a schematic view illustrating an initial state in which the medium  22  is discharged from the discharging portion  18  of the printing apparatus  2  to the medium loading device  3 . 
     Note that, in  FIG. 9 , when a medium  22  is discharged from the discharging portion  18  of the printing apparatus  2 , a rigid medium  22 A with a short discharge distance is illustrated by the dashed line, a rigid medium  22 A with a long discharge distance is illustrated by the solid line, and a soft medium  22 B with a long discharge distance is illustrated by the dot-dash line. 
     As illustrated in  FIG. 9 , in the first loading portion  61 , the downward sloped surface  61   b  includes a portion  610   b  (hereinafter, referred to as a downward sloped surface  610   b ) where the downward sloped protrusion  61   c  is not provided, and a portion where the downward sloped protrusion  61   c  is provided. In other words, the downward sloped surface  61   b  includes the downward sloped surface  610   b  and the downward sloped protrusion  61   c.    
     The downward sloped protrusion  61   c  is provided at the end (end on the downstream side in the discharging direction F) of the first loading portion  61  in the discharging direction F, and protrudes from the downward sloped surface  610   b  toward the discharging direction F. The downward sloped surface  610   b  is disposed upstream of the downward sloped protrusion  61   c  in the discharging direction F. The downward sloped surface  610   b  and the downward sloped protrusion  61   c  form a discharging path for a medium  22  along the discharging direction F. 
     In the second loading portion  62 , the upward sloped surface  62   b  includes a portion  620   b  (hereinafter, referred to as an upward sloped surface  620   b ) where the upward sloped protrusion  62   c  is not provided, and a portion where the upward sloped protrusion  62   c  is provided. In other words, the upward sloped surface  62   b  includes the upward sloped surface  620   b  and the upward sloped protrusion  62   c.    
     The upward sloped protrusion  62   c  is provided at the end (end on the upstream side in the discharging direction F) of the second loading portion  62  in a direction opposite to the discharging direction F, and protrudes from the upward sloped surface  620   b  toward a direction opposite to the discharging direction F. The upward sloped surface  620   b  is disposed downstream of the upward sloped protrusion  62   c  in the discharging direction F. The upward sloped protrusion  62   c  and the upward sloped surface  620   b  form a discharging path for a medium  22  along the discharging direction F. 
     When a medium  22  is discharged from the discharging portion  18  of the printing apparatus  2  in the discharging direction F, the leading edge  22   b  of the medium  22  first travels in the discharging direction F while being in contact with the downward sloped surface  610   b  of the first loading portion  61 , and then, travels in the discharging direction F while being in contact with the downward sloped protrusion  61   c  of the first loading portion  61 . After this, the leading edge  22   b  of the medium  22  travels in the discharging direction F while being in contact with the upward sloped protrusion  62   c  of the second loading portion  62 , and then, travels in the discharging direction F while being in contact with the upward sloped surface  620   b  of the second loading portion  62 . 
     When viewed in the X direction, the downward sloped protrusion  61   c  of the first loading portion  61  and the upward sloped protrusion  62   c  of the second loading portion  62  are disposed so as to partially overlap at a boundary portion between the first loading portion  61  and the second loading portion  62 . When a medium  22  is discharged in the discharging direction F at the boundary portion between the first loading portion  61  and the second loading portion  62 , the leading edge  22   b  of the medium  22  travels in the discharging direction F over the downward sloped protrusion  61   c  of the first loading portion  61 . Then, from a portion where the downward sloped protrusion  61   c  and the upward sloped protrusion  62   c  overlap, the leading edge  22   b  of the medium  22  travels in the discharging direction F over the upward sloped protrusion  62   c  of the second loading portion  62 . 
     In this manner, when a medium  22  is discharged from the discharging portion  18  of the printing apparatus  2  in the discharging direction F, the discharging path for the medium  22  along the discharging direction F is formed by the downward sloped surface  610   b  of the first loading portion  61 , the downward sloped protrusion  61   c  of the first loading portion  61 , the upward sloped protrusion  62   c  of the second loading portion  62 , and the upward sloped surface  620   b  of the second loading portion  62 . In other words, the downward sloped surface  61   b  and the upward sloped surface  62   b  form the discharging path through which the medium  22  is discharged. 
     In addition, when the discharging path for a medium  22  along the discharging direction F is viewed in the X direction, the discharging path, which is formed by the downward sloped surface  610   b  of the first loading portion  61 , the downward sloped protrusion  61   c  of the first loading portion  61 , the upward sloped protrusion  62   c  of the second loading portion  62 , and the upward sloped surface  620   b  of the second loading portion  62 , has a substantially V-shape. The V-shaped discharging path does not include any constituent element that may block discharging of a medium, the constituent element including, for example, a configuration in which a raised ridge is provided in the discharging path for the medium  22 . Thus, as compared with a case where any block (for example, a raised ridge) exists, the medium  22  smoothly travels in the discharging direction F, which facilitates discharging of it in the discharging direction F. 
     When a rigid medium  22 A is discharged from the discharging portion  18  of the printing apparatus  2 , the winding shape due to the roll body  25  has a strong effect as compared with a case where a soft medium  22 B is discharged. Thus, the rigid medium  22 A curls in a direction away from the downward sloped surface  61   b  of the first loading portion  61 . 
     More specifically, in the early stage in which the rigid medium  22 A is discharged from the discharging portion  18  of the printing apparatus  2 , the rigid medium  22 A bends convexly toward the +Z direction as indicated by the dashed line in the drawing, which results in the rigid medium  22 A, except for the leading edge  22   b , ascending from the downward sloped surface  61   b  of the first loading portion  61 . The first pressing portion  81  presses the rigid medium  22 A so as to reduce the ascending of the medium  22 A from the downward sloped surface  61   b.    
     If the ascending of the rigid medium  22 A from the downward sloped surface  61   b  is too large, the rigid medium  22 A curls in a spiral manner, and the leading edge of the rigid medium  22 A is more likely to be caught, for example, on one of or both of the downward sloped surface  610   b  of the first loading portion  61  and the upward sloped surface  620   b  of the second loading portion  62 . This makes it difficult for the rigid medium  22 A to be discharged in the discharging direction F. In the present exemplary embodiment, the first pressing portion  81  presses the rigid medium  22 A. This reduces the ascending of the rigid medium  22 A from the downward sloped surface  61   b . This also makes it easy for the leading edge of the rigid medium  22 A to slide, for example, on one of or both of the downward sloped surface  610   b  of the first loading portion  61  and the upward sloped surface  620   b  of the second loading portion  62 , which facilitates discharging of the rigid medium  22 A in the discharging direction F. 
     As the rigid medium  22 A travels on the second loading portion  62 , the rigid medium  22 A is pressed by the second pressing portion  82 , as indicated by the solid line in the drawing. When the rigid medium  22 A travels on the second loading portion  62 , the ascending of the medium  22 A has already been suppressed due to the first pressing portion  81 . This eliminates the need for the second pressing portion  82  to press the medium  22 A with strong pressing force. Thus, the second pressing portion  82  is only necessary to press the medium  22 A with small pressing force, as compared with the first pressing portion  81 . 
     If the second pressing portion  82  presses the rigid medium  22 A with a stronger pressing force than the first pressing portion  81 , a portion of the medium  22 A that is pressed by the second pressing portion  82  is locally curved. This results in the leading edge  22   b  of the medium  22 A ascending from the sloped surface  62   b  of the second loading portion  62 , which may make it difficult for the medium  22  to be discharged in the discharging direction F. 
     Thus, in the present exemplary embodiment, when the first pressing portion  81  and the second pressing portion  82  press the medium  22 , the pressing force of the second pressing portion  82  is smaller than the pressing force of the first pressing portions  81 . 
     For example, by adding a spring to the first pressing portion  81  and the second pressing portion  82 , and varying the spring constant of the spring, it is possible to adjust the pressing force of the first pressing portion  81  and the second pressing portion  82 . For example, by using an elastic member as a member that supports the roller  90  of the first pressing portion  81  and the second pressing portion  82  and varying the modulus of elasticity of the elastic member, it is possible to adjust the pressing force of the first pressing portion  81  and the second pressing portion  82 . For example, by varying the mass of the first arm member  81   a  of the first pressing portion  81  and the mass of the second arm member  82   a  of the second pressing portion  82 , it is possible to adjust the pressing force of the first pressing portion  81  and the pressing force of the second pressing portion  82 . For example, by varying the number of first pressing portions  81  and the number of second pressing portions  82 , it is possible to adjust the pressing force of the first pressing portion  81  and the pressing force of the second pressing portion  82 . 
     As illustrated in  FIG. 4 , three pieces of the second pressing portions  82  are arranged along the discharging direction F. The three pieces of the second pressing portions  82  arranged along the discharging direction F each press a medium  22  loaded on the second loading portion  62  with smaller pressing force than that of the first pressing portion  81 , thereby reducing the curl of the medium  22 . 
     Note that the three pieces of the second pressing portions  82  arranged along the discharging direction F may each have the same pressing force, or may have different degrees of pressing force. For example, the pressing force of the three pieces of the second pressing portions  82  arranged along the discharging direction F may be changed such that the pressing force increases on the upstream side in the discharging direction F, and decreases on the downstream side in the discharging direction F. 
     When a soft medium  22 B is discharged from the discharging portion  18  of the printing apparatus  2 , the effect of the winding shape due to the roll body  25  is smaller as compared with a case where a rigid medium  22 A is discharged. Thus, the soft medium  22 B is less like to curl in a direction away from the downward sloped surface  61   b  of the first loading portion  61 . Thus, as indicated by the dot-dash line in  FIG. 9 , the soft medium  22 B travels in the discharging direction F along the downward sloped surface  61   b  of the first loading portion  61 . 
     Furthermore, when a soft medium  22 B reaches the second loading portion  62 , the soft medium  22 B travels in the discharging direction F along the upward sloped surface  62   b  of the second loading portion  62 . 
     In the present exemplary embodiment, when a soft medium  22 B is discharged from the discharging portion  18  of the printing apparatus  2 , the first pressing portion  81  and the second pressing portion  82  are disposed away from the soft medium  22 B and do not press the soft medium  22 B. 
     If the first pressing portion  81  and the second pressing portion  82  press the soft medium  22 B, the soft medium  22 B discharged earlier may be discharged in the discharging direction F together with another soft medium  22 B discharged later. This may cause a plurality of soft media  22 B loaded on the loading portion  60  to be rubbed with each other, resulting in a deterioration in quality of an image formed on the soft medium  22 B. 
     For the reasons described above, when a soft medium  22 B is discharged from the discharging portion  18  of the printing apparatus  2 , it is preferable to employ a configuration in which the first pressing portion  81  and the second pressing portion  82  are disposed away from the soft medium  22 B and do not press the soft medium  22 B. 
     In this manner, the rigid medium  22 A discharged from the discharging portion  18  of the printing apparatus  2  is discharged in the discharging direction F through a discharge path for the medium  22  in a state of being pressed by the pressing portion  80 , the discharging path being formed by the downward sloped surface  61   b  and the upward sloped surface  62   b . The soft medium  22 B discharged from the discharging portion  18  of the printing apparatus  2  is discharged in the discharging direction F through the discharging path for the medium  22  in a state of being not pressed by the pressing portion  80 , the discharging path being formed by the downward sloped surface  61   b  and the upward sloped surface  62   b.    
     The operation described above can be achieved by appropriately adjusting the restriction of displacement of the first pressing portion  81  in a direction away from the downward sloped surface  61   b  and the restriction of displacement of the second pressing portion  82  in a direction away from the upward sloped surface  62   b , on the basis of types of and the number of media  22  loaded on the loading portion  60 . 
     The discharge path for a medium  22  formed by the downward sloped surface  61   b  and the upward sloped surface  62   b  does not include any constituent element that may block discharging of a medium, the constituent element including, for example, a configuration that includes a raised ridge in a discharging path for the medium  22 . Thus, the medium  22 A,  22 B can be discharged appropriately in the discharging direction F, and it is possible to avoid a malfunction in which the medium  22 A,  22 B is difficult to be discharged in the discharging direction F. 
     In addition, the first pressing portion  81  and the second pressing portion  82  can press the medium  22 . When the first pressing portion  81  presses, for example, a rigid medium  22 A that is more likely to curl, the leading edge of the rigid medium  22 A first easily slide on the downward sloped surface  61   b , and is more likely to travel through a V-shape discharging path. Then, the second pressing portion  82  presses the rigid medium  22 A that has reached the upward sloped surface  62   b . This facilitates sliding of the leading edge of the curling rigid medium  22 A on the upward sloped surface  62   b . Thus, it is possible to prevent discharging of the rigid medium  22 A from being blocked. 
     2. Modification Example 
     In the exemplary embodiment described above, the first loading portion  61  is provided in the medium loading device  3 , and is a constituent element of the medium loading device  3 . The first loading portion  61  may be provided in the printing apparatus  2  and may be a constituent element of the printing apparatus  2 . 
     In other words, the printing apparatus  2  may include the discharging portion  18  that discharges a medium  22 , and a first loading portion  61  configured to load the medium  22 , the first loading portion  61  including the downward sloped surface  61   b  provided downstream in the discharging direction F in which the discharging portion  18  discharges the medium  22 , the downward sloped surface  61   b  being configured to be sloped downward in the discharging direction F. 
     In this case, the medium loading device  3  includes the second loading portion  62  configured to load the medium  22 , the second loading portion  62  including the upward sloped surface  62   b  provided downstream of the first loading portion  61  in the discharging direction F, the upward sloped surface  62   b  being configured to be sloped upward in the discharging direction F, and also includes the plurality of pressing portions  80  provided downstream of the discharging portion  18  in the discharging direction F and configured to press the medium  22  loaded on the loading portion  60 . 
     In the exemplary embodiment described above, the first loading portion  61  includes the downward sloped surface  61   b  and the second loading portion  62  includes the upward sloped surface  62   b . However, the configuration is not limited to this. For example, the first loading portion  61  may include an upward sloped surface. In this case, it is only necessary that an absolute value of a gradient of the upward sloped surface of the first loading portion  61  in the discharging direction F is smaller than an absolute value of a gradient of the upward sloped surface  62   b  of the second loading portion  62  in the discharging direction F in a manner such that the upward sloped surface of the first loading portion  61  and the upward sloped portion  62   b  of the second loading portion  62  form a V-shaped discharging path. In this manner, it is also possible to achieve an operation and effect similar to those of the exemplary embodiment described above. 
     Contents derived from the Embodiments will be described below. 
     A medium loading device provides a medium loading device used for a printing apparatus including a discharging portion discharging a medium. The medium loading device includes: a loading portion configured to load the medium discharged from the discharging portion; and a plurality of pressing portions provided downstream of the discharging portion in a discharging direction of the medium, the plurality of pressing portions being configured to press the medium loaded on the loading portion. In the medium loading device, the loading portion includes: a first loading portion that includes a downward sloped surface sloping downward in the discharging direction and that is provided downstream of the discharging portion in the discharging direction; and a second loading portion that includes an upward sloped surface sloping upward in the discharging direction and that is provided downstream of the first loading portion in the discharging direction. The downward sloped surface and the upward sloped surface form a discharging path through which the medium is discharged. The plurality of pressing portions includes: a first pressing portion configured to press the medium loaded on the first loading portion; and a second pressing portion configured to press the medium loaded on the second loading portion. 
     The discharge path formed by the downward sloped surface and the upward sloped surface does not include, for example, any constituent element that may block discharging of a medium, the constituent element including a configuration in which a raised ridge is provided in the discharging path for a medium. Thus, the medium discharged from the discharging portion of the printing apparatus is appropriately discharged along the discharging path formed by the downward sloped surface and the upward sloped surface. 
     In addition, even when the medium discharged from the discharge portion of the printing apparatus is curved because it has been wound around and so on, the curling of the medium is reduced with pressing by the first pressing portion and the second pressing portion. Thus, the medium discharged from the discharging portion of the printing apparatus is discharged appropriately along the discharging path formed by the downward sloped surface and the upward sloped surface, and is appropriately loaded on the loading portion. 
     A medium loading device provides a medium loading device used for a printing apparatus including a discharging portion discharging a medium, and a first loading portion configured to load the medium, the first loading portion including a downward sloped surface sloping downward in the discharging direction and provided downstream in a discharging direction, in which the discharging portion discharges the medium. The medium loading device includes a second loading portion configured to load the medium and including an upward sloped surface sloping upward in the discharging direction and provided downstream of the first loading portion in the discharging direction. The medium loading device also includes a plurality of pressing portions configured to press the medium loaded at the first loading portion and the second loading portion and provided downstream of the discharging portion in the discharging direction. The plurality of pressing portions includes a first pressing portion configured to press the medium loaded on the first loading portion, and also includes a second pressing portion configured to press the medium loaded on the second loading portion. 
     The discharging path formed by the downward sloped surface and the upward sloped surface does not include any constituent element that may block discharging of the medium, the constituent element including, for example, a configuration in which a raised ridge is provided in the discharging path. Thus, the medium discharged from the discharging portion of the printing apparatus is appropriately discharged along the discharging path formed by the downward sloped surface and the upward sloped surface. 
     For example, even when the medium is curled because it has been wound around and so on, the curling of the medium is reduced with pressing by the first pressing portion and the second pressing portion. Thus, the medium discharged from the discharging portion of the printing apparatus is discharged appropriately along the discharging path formed by the downward sloped surface and the upward sloped surface, and is appropriately loaded on the first loading portion and the second loading portion. 
     When the first pressing portion and the second pressing portion press a medium, it is preferable to configure the medium loading device such that the pressing force of the second pressing portion is smaller than the pressing force of the first pressing portion. 
     The first pressing portion is disposed more upstream in the discharging direction than the second pressing portion. The medium that curls because it has been wound around and so on is first pressed by the first pressing portion, and then pressed by the second pressing portion. 
     The first pressing portion presses a medium of which curling is not reduced. For example, the curling is not appropriately reduced if the pressing force is weak. Thus, the pressing force of the first pressing portion is preferably stronger, as compared with the second pressing portion that presses a medium of which curling has already been reduced. 
     The second pressing portion presses a medium of which curling has already been reduced by the first pressing portion. For example, a new malfunction may occur if pressing is too strong. Thus, the pressing force of the second pressing portion is preferably weak, as compared with the first pressing portion that presses a medium of which curling has not yet been reduced. 
     It is preferable to configure the medium loading device such that one of or both of the first pressing portion and the second pressing portion include a roller that is rotatable and contactable with the medium. 
     With one of or both of the first pressing portion and the second pressing portion being provided with the rotatable roller that can be brought into contact with a medium, the medium is easily discharged in the discharging direction, as compared with a case where the rotatable roller that can be brought into contact with the medium is not provided. 
     It is preferable that the medium loading device include a frame body supporting the second pressing portion, and also include a support portion rotatably supporting the frame body. 
     With the frame body that supports the second pressing portion and the support portion that rotatably supports the frame body, it is possible for a user to easily remove, from the loading portion, a bunch of media loaded on the medium loading device. 
     It is preferable to configure the medium loading device such that the first pressing portion can move to an upper limit position and a lower limit position and is spaced apart from the downward sloped surface at the lower limit position, and the second pressing portion can move to an upper limit position and a lower limit position and is spaced apart from the upward sloped surface at the lower limit position. 
     The first pressing portion is spaced apart from the downward sloped surface, and moves in a direction toward the downward sloped surface or in a direction away from the downward sloped surface. The second pressing portion is spaced apart from the upward sloped surface, and moves in a direction toward the upward sloped surface or in a direction away from the upward sloped surface. 
     When a medium curls because it has been wound around or the like, the first pressing portion and the second pressing portion are brought into contact with the curling medium to press the curling medium, thereby reducing the curling of the medium. When the medium is not curled, the first pressing portion and the second pressing portion are spaced apart from the medium, and do not press the medium. 
     In this way, the pressing states of the first pressing portion and the second pressing portion relative to a medium can be changed depending on the state of the medium. 
     It is preferable to configure the medium loading device such that a plurality of first protrusions protruding in the discharging direction and constituting the downward sloped surface are provided at an end of the first loading portion in the discharging direction, and a plurality of second protrusions protruding in an opposite direction that is opposite to the discharging direction and constituting the upward sloped surface are provided at an end of the second loading portion in the opposite direction. In addition, each of the plurality of first protrusions and each of the plurality of second protrusions are disposed alternately in an intersecting direction that intersects the discharging direction, and overlap when viewed in the intersecting direction. 
     The first protrusion (hereinafter, referred to as a downward sloped protrusion) that constitutes the downward sloped surface is provided at the end of the first loading portion. The second protrusion (hereinafter, referred to as an upward sloped protrusion) that constitutes the upward sloped surface is provided at the end of the second loading portion. In addition, the downward sloped protrusion and the upward sloped protrusion are disposed alternately in the intersecting direction that intersects the discharging direction, and the downward sloped protrusion and the upward sloped protrusion are disposed so as to overlap when viewed in the intersecting direction that intersects the discharging direction. 
     At the boundary portion between the first loading portion and the second loading portion, this allows the medium to be discharged in the discharging direction along the downward sloped protrusion and the upward sloped protrusion. In other words, at the boundary portion between the first loading portion and the second loading portion, the downward sloped protrusion and the upward sloped protrusion form a discharging path for a medium. 
     The discharging path for a medium at the boundary portion between the first loading portion and the second loading portion does not include any constituent element that may block discharging of the medium, the constituent element including, for example, a configuration in which a raised ridge is provided in the discharging path for the medium. Thus, the medium is appropriately discharged along the discharging path formed by the downward sloped protrusion and the upward sloped protrusion. In other words, it is possible to prevent the medium from being caught at the boundary portion between the first loading portion and the second loading portion. 
     It is preferable to configure the medium loading device such that a convex portion extending in the discharging direction is provided at the downward sloped surface and the upward sloped surface. 
     With the convex portion extending in the discharging direction being provided on the downward sloped surface, the medium partially ascends from the downward sloped surface due to the convex portion. This results in a reduction in a contact area between the medium and the downward sloped surface, which facilitates discharging of the medium in the discharging direction on the downward sloped surface. 
     With the convex portion extending in the discharging direction being provided on the upward sloped surface, the medium partially ascends from the upward sloped surface due to the convex portion. This results in a reduction in a contact area between the medium and the upward sloped surface, which facilitates discharging of the medium in the discharging direction on the upward sloped surface. 
     It is preferable to configure the medium loading device such that a convex portion extending in the discharging direction is provided at at least one of the first protrusion and the second protrusion. 
     With the convex portion extending in the discharging direction being provided on the first protrusion, the medium partially ascends from the first protrusion due to the convex portion. This results in a reduction in a contact area between the medium and the first protrusion, which facilitates discharging of the medium in the discharging direction on the first protrusion. 
     With the convex portion extending in the discharging direction being provided on the second protrusion, the medium partially ascends from the second protrusion due to the convex portion. This results in a reduction in a contact area between the medium and the second protrusion, which facilitates discharging of the medium in the discharging direction on the second protrusion.