JP2013212689A - Printing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a printing apparatus that can be easily set up a print medium.SOLUTION: A printing apparatus has: a housing; a print medium support part that rotatably supports a roll state print medium; a paper guide; an upper surface regulating member; a print head; a print medium installation means; and a print medium conveying means. The paper guide can arrange a band-like print medium drawn out from the roll state print medium on the surface. The upper surface regulating member is provided in a part of the surface of the paper guide so that a gap is provided between a surface of the paper guide and the upper surface regulating member. The print medium installation means is provided to be able to move between the position to touch a part except the parts in which the upper surface regulating member is provided among the surfaces of the paper guide and the position separated from the surface of the paper guide. The print medium conveying means conveys the band-like print medium sandwiched by the surface of the paper guide and the print medium installation means to the gap between the surface of the paper guide and the upper surface regulating member.

Description

  Embodiments described herein relate generally to a printing apparatus.

  A conventional printing apparatus capable of pulling out one end of a roll paper and performing double-sided printing on the drawn strip-shaped paper includes a first printing unit that performs printing on the surface of the strip-shaped paper by an inkjet method, and a strip-shaped paper And a second printing unit that performs printing by a thermal method on the back surface of the paper.

  The first printing unit includes a paper guide on which strip-shaped paper is disposed, and an ink jet head disposed at a position facing the paper guide. The paper guide has, on this surface, an upper surface regulating member for suppressing the belt-like paper from floating upward from the surface of the paper guide, and the belt-like paper is formed between the paper guide and the upper surface regulating member. Arranged between.

  In such a printing apparatus, conventionally, a user manually places a band-shaped paper between the paper guide and the upper surface regulating member. That is, the conventional printing apparatus requires a complicated installation operation of the print medium. As a result, firstly, there arises a problem that it takes a lot of time to install the print medium. Further, secondly, there is a problem that the belt-like paper is damaged when manually placing the belt-like paper between the paper guide and the upper surface regulating member, and the quality of the belt-like paper is deteriorated.

JP 2011-255681 A

  An object of the embodiments is to provide a printing apparatus in which a print medium can be easily installed.

  The printing apparatus according to the embodiment includes a housing having a discharge port, a print medium support unit, a paper guide, an upper surface regulating member, a print head, a print medium setting unit, and a print medium conveying unit. The print medium support unit is provided inside the housing and can rotatably support a roll-shaped print medium. The paper guide is provided inside the housing, and a belt-like print medium drawn out from the roll-like print medium can be arranged on the surface. The upper surface regulating member is provided on a part of the surface of the paper guide so that a gap is provided between the upper surface regulating member and the surface of the paper guide. The print head is disposed at a position facing the surface of the paper guide, and can perform printing on the belt-shaped print medium disposed on the paper guide. The printing medium setting means moves between a position that contacts a part of the surface of the paper guide except a portion where the upper surface regulating member is provided and a position that is separated from the surface of the paper guide. It is provided so that you can. The printing medium conveying unit conveys the belt-shaped printing medium sandwiched between the paper guide and the printing medium setting unit to the gap between the surface of the paper guide and the upper surface regulating member.

1 is a schematic configuration diagram illustrating a printing apparatus according to an embodiment. It is a top view of the paper guide of the 1st printing part. FIG. 3 is a cross-sectional view of the paper guide taken along one-dot chain line XX ′ in FIG. 2. It is a figure which expands and shows the part enclosed with the dotted line of FIG. It is a figure which shows the relationship between a head block and a drawer | drawing-out part. It is a perspective view which expands and shows the structure of a flapper and its peripheral part. It is an electric block diagram mainly showing a conveyance unit of a printing apparatus concerning this embodiment. It is a schematic block diagram which shows the printing apparatus which concerns on this embodiment in the state in which the drawer part was pulled out from the housing | casing. It is a figure which expands and shows the part enclosed with the dotted line of FIG. It is a top view which shows the paper guide when a strip | belt-shaped paper is arrange | positioned in the state by which the drawer | drawing-out part was pulled out. It is sectional drawing of the paper guide along the dashed-dotted line XX 'of FIG. It is a figure for demonstrating the installation method of the roll paper in the printing apparatus after the drawer | drawing-out part was accommodated in the inside of a housing | casing. It is a figure for demonstrating the installation method of the roll paper in the printing apparatus after the drawer | drawing-out part was accommodated in the inside of a housing | casing. It is a figure for demonstrating operation | movement of the flapper at the time of installing roll paper. It is a figure for demonstrating the installation method of the roll paper in the printing apparatus after the drawer | drawing-out part was accommodated in the inside of a housing | casing.

  The printing apparatus according to the present embodiment will be described below. The printing apparatus 10 shown in FIG. 1 can install a roll-shaped print medium formed by winding a belt-shaped print medium in a roll shape inside the casing 11, and the belt-like shape drawn out from the roll-shaped print medium. Printing is performed on the print medium. Hereinafter, the roll-shaped print medium is referred to as roll paper 12, and the belt-shaped print medium is referred to as belt-shaped paper 12 '.

  The casing 11 is provided with a drawer portion 13 that is a box-like drawer that is provided in the interior thereof so that it can be pulled out from one side surface of the casing 11 in a predetermined direction (for example, in the direction of arrow a in the figure). Have. The drawer portion 13 is provided in the housing 11 so that it can be pulled out by a rail portion 11 b that is a moving means of the drawer portion 13 provided on the inner surface of the housing 11.

  The casing 11 having such a drawer portion 13 has a strip-like shape drawn out from the roll paper 12 and a hopper 14 that is a printing medium support portion that supports the roll paper 12 rotatably in the direction of arrow b in the figure. It has the 1st printing part 15 which prints on the surface of paper 12 ', and the 2nd printing part 16 which prints on the back surface of strip | belt-shaped paper 12'.

  The hopper 14 has a substantially U-shaped vertical cross section, and is provided at a position spaced upward from the bottom surface 11 c of the housing 11.

  The first printing unit 15 is provided in the vicinity of the discharge port 11 a provided on the side surface of the housing 11. The first printing unit 15 is a printing unit that performs printing by, for example, an inkjet method on the surface of the strip-shaped paper 12 ′.

  The first printing unit 15 includes a paper guide 15a and an inkjet head 15b as a print head.

  The paper guide 15a is fixed to the drawer portion 13 so as to be exposed from a cutout portion 13a provided at the upper front end portion of the drawer portion 13, and a belt-like paper 12 'is placed on the upper surface.

  FIG. 2 is a top view of the paper guide 15a, and FIG. 3 is a cross-sectional view of the paper guide 15a along the alternate long and short dash line XX ′ in FIG. As shown in FIGS. 2 and 3, an upper surface regulating member 15c is provided on a part of the surface of the paper guide 15a, that is, on a portion excluding the rear end portion of the paper guide 15a.

  The upper surface regulating member 15c includes a support part 15c-1 provided on the surface of the paper guide 15a, a top plate part 15c-2 provided on the support part 15c-1, and wider than the support part 15c-1. A gap wider than at least the thickness of the strip-shaped paper 12 'is formed between the lower surface of the top plate portion 15c-2 and the surface of the paper guide 15a between the support portions 15c-1. Is provided.

  When the strip-shaped paper 12 'is disposed between the paper guide 15a and the upper surface regulating member 15c, the top plate portion 15c-2 of the upper surface regulating member 15c is such that both sides of the belt-shaped paper 12' are on the surface of the paper guide 15a. Suppressing from above. Accordingly, the belt-like paper 12 ′ disposed between the paper guide 15a and the upper surface regulating member 15c is prevented from floating upward from the surface of the paper guide 15a.

  Refer to FIG. 1 again. The inkjet head 15b of the first printing unit 15 is disposed at a position facing the surface of the paper guide 15a as described above when the drawer unit 13 is housed in the housing 11, and the drawer unit 13 The housing 11 is provided at a higher position. The inkjet head 15b performs printing on the strip-shaped paper 12 ′ placed on the paper guide 15a by an inkjet method.

  The second printing unit 16 is provided between the hopper 14 and the first printing unit 15. The second printing unit 16 is a printing unit that performs printing on the back surface of the strip-shaped paper 12 'by, for example, a thermal method, and includes a platen roller 16a and a thermal head 16b as a printing head.

  The platen roller 16 a is fixed to the housing 11 at a position substantially above the drawer portion 13. The thermal head 16b is pressed against the platen roller 16a via the belt-shaped paper 12 'when printing is performed at least by the thermal method.

  The thermal head 16b is disposed at a position facing the platen roller 16a when the drawer portion 13 is housed in the housing 11, and is disposed on the drawer portion 13 so as not to protrude upward from the drawer portion 13. Is provided. The thermal head 16b performs printing on the belt-shaped paper 12 'by a thermal method.

  The platen roller 16a functions as a part of the second printing unit 16, and also functions as a print medium transport unit that transports the strip-shaped paper 12 'as will be described later.

  FIG. 4 is an enlarged view of a portion surrounded by a dotted line in FIG. 1, and shows a structure of the above-described second printing unit 16 and its peripheral portion. As shown in FIG. 2, the platen roller 16 a can rotate on the platen frame 17 fixed to the housing 11 in the direction of arrow c (forward direction) in the drawing or in the direction of arrow d (reverse direction) in the drawing. By being provided, it is fixed to the housing 11.

  The thermal head 16 b is fixed on one end of the head support 19 of the head block 18 provided in the drawer portion 13. The other end of the head support 19 is fixed to the head block 18 by a head support rotating shaft 20. The head support 19 is fixed to the head block 18 so as to be rotatable about a head support rotating shaft 20.

  An L-shaped head frame 21 is fixed at a position below the head support 19 in the head block 18. On one end of the head frame 21, for example, a compression spring 22 is provided as an elastic body. The compression spring 22 supports the head support 19 from below and gives an elastic force upward to the head support 19. The thermal head 16b presses the platen roller 16a by this elastic force.

  Further, the head block 18 includes a damper roller 23 and a guide roller 24 that convey a belt-like paper 12 ′ drawn from the roll paper 12. The damper roller 23 is provided so as to be movable along a long hole 18a provided in the head block 18 and to be rotatable in the direction of arrow e in the figure or the direction of arrow f in the figure. The guide roller 24 is provided on the head block 18 so as to be rotatable in the direction of arrow g in the drawing or in the direction of arrow h in the drawing.

  Furthermore, the head block 18 has a notch 18 b for engaging with the platen frame 17 in part. The platen frame 17 has an engagement shaft 17a for engagement in part. As shown in the figure, the engaging shaft 17a of the platen frame 17 is engaged with the notch 18b of the head block 18, whereby the head block 18 and the platen frame 17 are engaged with each other, and the thermal head 16b is The platen roller 16a is pressed.

  FIG. 5 is a diagram showing the relationship between the head block 18 and the drawer portion 13. As shown in FIG. 5, the head block 18 includes a head block rotating shaft 18c in part. In addition, a first long hole 13b with which the head block rotating shaft 18c engages and a second long hole 13c with which the head support rotating shaft 20 engages are provided on one side of the drawer portion 13. The head block 18 has a drawer portion so that the head block rotation shaft 18c can move along the first long hole 13b and the head support rotation shaft 20 can move along the second long hole 13c. 13 is provided.

  When the drawer portion 13 is stored in the housing 11, the head support rotating shaft 20 of the head block 18 slides along the guide portion 25 along the guide portion 25 as the drawer portion 13 moves. Go up. At this time, the head block rotating shaft 18c moves to the upper end of the first long hole 13b, and the head support rotating shaft 20 moves to the upper end of the second long hole 13c. As a result, a part of the head block 18 including the damper roller 23 and the guide roller 24 moves to a position exposed upward from the drawer 13, and the thermal head 16 b presses the platen roller 16 a.

  Refer to FIG. 1 again. Between the first printing unit 15 and the second printing unit 16 described above, a flapper 26 as a print medium setting unit and a sensor 27 for detecting the leading end of the strip-shaped paper 12 'are provided. Yes.

  FIG. 6 is an enlarged perspective view showing the structure of the flapper 26 and its peripheral portion. As shown in FIG. 6, the flapper 26 is fixed to a flapper rotation shaft 26a provided in the vicinity of the platen roller 16a along the longitudinal direction of the platen roller 16a. The flapper rotation shaft 26a is provided on a support plate 28 that rotatably supports the platen roller 16a. The flapper rotation shaft 26a is supported by the support plate 28 so as to be rotatable in the directions of arrows i and j in the drawing. That is, the flapper rotation shaft 26a including the flapper 26 is fixed to the housing 11 together with the platen roller 16a.

  The flapper rotation shaft 26a rotates in the direction of arrow i in the figure, for example, when the flapper 26 falls due to its own weight. Further, the flapper rotation shaft 26a rotates in the direction of an arrow j in the drawing by, for example, rotation of a motor. The flapper rotation shaft 26a is not limited to a motor, and may be rotated in the direction of arrow j in the figure by a solenoid, for example. With such rotation of the flapper rotation shaft 26a, the flapper 26 rotates in the same direction as the flapper rotation shaft 26a, that is, in the direction of the arrow i in the drawing or the j direction in the drawing.

  Such a flapper 26 can come into contact with a rear end portion of the paper guide 15a of the first printing unit 15 (a portion of the surface of the paper guide 15a excluding a portion where the upper surface regulating member 15c is provided). And provided above the rear end of the paper guide 15a.

  Refer to FIG. 1 again. The sensor 27 that detects the leading end of the strip-shaped paper 12 ′ is fixed to the housing 11 so as to be disposed above the flapper 26, for example.

  Between the first printing unit 15 and the discharge port 11a of the housing 11, a discharge roller pair 29 constituting a part of a transport unit that transports the strip-shaped paper 12 'to the discharge port 11a is provided. . The discharge roller pair 29 includes a discharge roller 29a that rotates in a predetermined direction by the rotation of a motor, and a pinch roller 29b that rotates following the rotation of the discharge roller 29a. The pinch roller 29b is fixed to the housing 11, and the discharge roller 29a is fixed to the drawer portion 13 at a position substantially opposite to the pinch roller 29b when the drawer portion 13 is housed in the housing 11. ing.

  The discharge roller pair 29, the damper roller 23 and the guide roller 24, and the platen roller 16a of the second printing unit 16 constitute a transport unit. The platen roller 16a and the discharge roller 29a of the discharge roller pair 29 are each rotated in a predetermined direction by the rotation of the motor, and the damper roller 23 and the guide roller 24 are rotated by the rotation of the platen roller 16a and the discharge roller 29a. Is.

  Between the discharge roller pair 29 and the discharge port 11 a of the housing 11, a cutting unit 30 for cutting the strip-shaped paper 12 ′ is provided. The cutting part 30 has a cutter upper blade part 30a and a cutter lower blade part 30b. The cutter upper blade portion 30a is fixed to the housing 11, and the cutter lower blade portion 30b is located at a position substantially opposite to the cutter upper blade portion 30a when the drawer portion 13 is housed in the housing 11. It is fixed to the drawer 13.

  FIG. 7 is an electric block diagram mainly showing the transport unit of the printing apparatus 10 described above. As shown in FIG. 7, the platen roller 16a and the discharge roller 29a that constitute a part of the transport unit are connected to the CPU 31 via motors 34 and 35 that rotate them. Further, a flapper rotating shaft 26a to which a flapper 26 as a printing medium installing means is fixed is also connected to the CPU 31 via a motor 26 'that rotates the rotating shaft. Further, the CPU 31 is connected to a sensor 27 provided between the first printing unit 15 and the second printing unit 16 for detecting the leading end of the strip-shaped paper 12 ′.

  Hereinafter, a method for installing a print medium in the printing apparatus 10 will be described with reference to FIGS. 7 and 8 to 15.

  FIG. 8 is a schematic configuration diagram illustrating the printing apparatus 10 according to the present embodiment in a state where the drawer portion 13 is pulled out from the housing 11. FIG. 9 is an enlarged view of a portion surrounded by a dotted line in FIG. 8, and is a view showing a relationship between the head block 18 and the drawer portion 13. As shown in FIG. 8, when the hook arm 32 provided in the drawer portion 13 is removed from the lock portion 33 provided in the housing 11 and the drawer portion 13 is pulled out from the housing 11, as shown in FIG. Along with the drawer part 13, each part provided in the drawer part 13 is pulled out from the inside of the housing 11.

  When the drawer portion 13 is pulled out from the inside of the housing 11, the flapper 26 is automatically pulled up as shown in the figure by the rotation of the motor 26 ′ (the drawer portion 13 is housed inside the housing 11. The flapper 26 is spaced upward from the surface of the paper guide 15a).

  As the drawer portion 13 moves from the inside of the housing 11 to the outside, as shown in FIG. 9, the head support rotating shaft 20 of the head block 18 moves the guide portion 25 (FIG. 5) provided in the housing 11 to the guide portion. The head support rotating shaft 20 is disengaged from the guide portion 25. As a result, the entire head block 18 moves downward, the head block rotating shaft 18c moves to the lower end of the first elongated hole 13b of the drawer portion 13, and the head support rotating shaft 20 moves to the second elongated hole of the drawer portion 13. Move to the lower end of 13d. As a result, the entire head block 18 including the damper roller 23 and the guide roller 24 moves from the drawer 13 to a position where it is not exposed upward. In other words, the head block 18 moves to a position that does not hinder the drawer operation of the drawer portion 13 from the housing 11 and the storage operation of the drawer portion 13 in the housing 11.

  After pulling out the drawer 13 as shown in FIG. 8, the roll paper 12 is placed on the hopper 14, and the strip-shaped paper 12 ′ drawn from the roll paper 12 is discharged onto the damper roller 23, the guide roller 24, and the discharge. It arrange | positions on the roller 29a.

  FIG. 10 is a top view showing the paper guide 15a when the strip-shaped paper 12 ′ is disposed in a state where the drawer portion 13 is pulled out. FIG. 11 is a cross-sectional view of the paper guide 15a along the alternate long and short dash line XX ′ in FIG. When the strip-shaped paper 12 'is pulled out from the roll paper 12, and the drawn strip-shaped paper 12' is arranged on the damper roller 23, the guide roller 24, and the discharge roller 29a, as shown in FIGS. The strip-shaped paper 12 'is not disposed between the paper guide 15a of the first printing unit 15 and the top plate portion 15c-2 of the upper surface regulating member 15c, but on the top plate 15c-2 of the upper surface regulating member 15c. Be placed.

  After the roll paper 12 is arranged in this way and the belt-like paper 12 ′ drawn out from the roll paper 12 is arranged, the drawer portion 13 is housed inside the housing 11. When the drawer portion 13 is housed in the housing 11, as described with reference to FIG. 5, the head support rotating shaft 20 slides up the guide portion 25 provided in the housing 11, and the head block rotating shaft 18 c The head support rotary shaft 20 moves to the upper end of the second long hole 13c. As a result, a part of the head block 18 including the damper roller 23 and the guide roller 24 moves to a position exposed upward from the drawer 13, and the thermal head 16 b presses the platen roller 16 a.

  12, 13, and 15 are diagrams for explaining a method of installing the roll paper 12 in the printing apparatus 10 after the drawer portion 13 is accommodated in the housing 11. FIG. It is a figure for demonstrating operation | movement of the flapper 26 at the time of installing the paper 12. FIG.

  As shown in FIG. 12, when the drawer 13 is housed inside the housing 11, a flapper 26 is disposed on the strip-shaped paper 12 ′.

  Thereafter, as shown in FIG. 13, the CPU 31 drives the motors 34 and 35 for rotating the platen roller 16a and the discharge roller 29a to reversely rotate the platen roller 16a and the discharge roller 29a in the direction of the arrow d in the drawing. As a result, the strip-shaped paper 12 ′ is conveyed backward in the direction in which the hopper 24 is provided.

  As shown in FIGS. 13 and 14, the belt-like paper 12 ′ is reversely conveyed, and the leading edge of the belt-like paper 12 ′ is on the surface of the rear end of the paper guide 15 a from the upper surface regulating member 15 c of the first printing unit 15. When the belt-like paper 12 'is dropped, the flapper 26 rotates in the direction of the arrow i in the drawing, and comes into contact with the rear end surface of the paper guide 15a via the tip of the belt-like paper 12'.

  As described above, when the leading end of the strip-shaped paper 12 'falls on the surface of the paper guide 15a, the sensor 27 detects the leading end of the strip-shaped paper 12'. When the sensor 27 detects the leading edge of the strip-shaped paper 12 ', the CPU 31 rotates the platen roller 16a and the discharge roller 29a in the forward direction in the direction of arrow c in the drawing as shown in FIG. Thereby, the strip-shaped paper 12 ′ is conveyed in the forward direction. When the platen roller 16a and the discharge roller 29a are rotated forward in a state where the leading end of the strip-shaped paper 12 'is pressed by the flapper 26 on the surface of the rear end of the paper guide 15a, the leading end of the strip-shaped paper 12' Passing between the paper guide 15a and the top plate portion 15c-2 of the upper surface regulating member 15c automatically completes the installation of the belt-like paper 12 ', and the printing apparatus 10 enters a standby state.

  When the user issues a print command to the printing apparatus 10 that has entered the standby state in this way, the CPU 31 rotates the platen roller 16a and the discharge roller 29a, and the second printing unit 16 removes the strip-shaped paper 12 '. Printing is performed on the back side by a thermal method. In the first printing unit 15, printing is performed on the surface of the strip-shaped paper 12 ′ by an ink jet method. Thereafter, the CPU 31 discharges the strip-shaped paper 12 ′ printed on both sides by the rotation of the platen roller 16 a and the discharge roller 29 a from the discharge port 11 a of the housing 11, and the strip-shaped paper 12 ′ by the cutting unit 30. Disconnect.

  According to the printing apparatus 10 according to the present embodiment described above, the flapper 26 presses the front end of the strip-shaped paper 12 'against the surface of the paper guide 15a, and thus the strip-like state pressed against the surface of the paper guide 15a. Paper 12 'is conveyed in the forward direction. Therefore, the leading end of the strip-shaped paper 12 'automatically passes between the paper guide 15a and the top plate portion 15c-2 of the upper surface regulating member 15c. Therefore, according to the printing apparatus 10 according to the present embodiment, the roll paper 12 can be easily installed. As a result, the time required for installing the roll paper 12 is shortened, and at the same time, the quality of the strip-shaped paper 12 ′ drawn from the roll paper 12 is suppressed.

  Although the embodiment of the present invention has been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 10 ... Printing apparatus 11 ... Housing | casing 11a ... Discharge port 11b ... Rail part 11c ... Bottom 12 ... Roll paper 12 '... Band-shaped paper 13 ... Drawer part 13a ... notch 13b ... first long hole 13c ... second long hole 14 ... hopper 15 ... first printing part 15a ... paper guide 15b ... inkjet head 15c ... Upper surface regulating member 15c-1 ... Supporting part 15c-2 ... Top plate part 16 ... Second printing part 16a ... Platen roller 16b ... Thermal head 17 ... Platen Frame 17a ... engaging shaft 18 ... head block 18a ... long hole 18b ... notch 18c ... head block rotating shaft 19 ... head support 20 ... head support rotating shaft 21 ... Head frame 2 ... compression spring 23 ... damper roller 24 ... guide roller 25 ... guide portion 26 ... flapper 26a ... flapper rotation shaft 26 '... motor 27 ... sensor 28 ... Support plate 29 ... discharge roller pair 29a ... discharge roller 29b ... pinch roller 30 ... cutting part 30a ... cutter upper blade part 30b ... cutter lower blade part 31 ... CPU
32 ... Hook arm 33 ... Lock part

Claims (10)

A housing having a discharge port;
A print medium support provided inside the housing and capable of rotatably supporting a roll-shaped print medium;
A paper guide provided inside the casing and capable of disposing a belt-like print medium drawn from the roll-like print medium on the surface;
An upper surface regulating member provided on a part of the surface of the paper guide so that a gap is provided between the surface of the paper guide;
A print head arranged at a position facing the surface of the paper guide and capable of printing on the belt-like print medium arranged on the paper guide;
Print medium installation means provided so as to be movable between a position in contact with a part of the surface of the paper guide excluding a portion where the upper surface regulating member is provided and a position apart from the surface of the paper guide. When,
Print medium conveying means for conveying the belt-like print medium sandwiched between the paper guide and the print medium setting means to the gap between the surface of the paper guide and the upper surface regulating member;
A printing apparatus comprising: Inside the housing, further has a drawer portion that is retractable from the housing,
The printing apparatus according to claim 1, wherein the print medium support section and the paper guide are provided in the drawer section.   2. The printing apparatus according to claim 1, wherein the printing medium installation unit moves by its own weight from a position away from the surface of the paper guide to a position in contact with the surface of the paper guide. The print medium setting means is movable between a position in contact with a part of the surface of the paper guide excluding a portion where the upper surface regulating member is provided and a position spaced from the surface of the paper guide. Flapper,
A flapper rotation shaft to which the flapper is fixed;
Have
The printing apparatus according to claim 1, wherein the flapper is moved by rotation of the flapper rotation shaft. A platen roller rotatably provided in the housing;
A thermal head that is provided at a position for pressing the platen roller, and performs printing on the belt-shaped print medium by a thermal method;
Further comprising
The printing apparatus according to claim 1, wherein the printing medium conveying unit is the platen roller.   The printing apparatus according to claim 5, wherein the print head is an inkjet head. The inkjet head performs printing on the surface of the strip-shaped print medium by an inkjet method,
The printing apparatus according to claim 6, wherein the thermal head performs printing on a back surface of the belt-shaped print medium by a thermal method.   The printing apparatus according to claim 7, wherein the print medium setting unit is provided between a first printing unit including the inkjet head and a second printing unit including the thermal head. .   The printing apparatus according to claim 8, further comprising a cutting unit that cuts the belt-shaped print medium between the first printing unit and the discharge port of the housing.   The printing apparatus according to claim 9, further comprising a discharge roller pair that conveys the belt-shaped print medium between the first printing unit and the cutting unit.

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