JP2003312916A - Delivery device, and printer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To miniaturize a host device, and improve maintenance properties such as replacement of paper rolls, and jam processing by heightening a degree of freedom in arrangement of a printer of the host device such as an ATM, a ticketing machine, and a kiosk terminal. <P>SOLUTION: A delivery device 16A for delivering, from a paper delivery port, a printed paper P transferred from a printing unit 13 in a manner that a printed face is directed upwards, comprises a paper feeding path for bending the paper P fed from the printing unit 13 by approximately 90 degrees seen from a flat plane in a manner to be led to a paper delivery port; and a paper feeding means for feeding the paper P along the paper carrying path. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper ejection device for ejecting a printed paper sent from a printing mechanism side from a predetermined paper ejection port, and more particularly to a host device such as an ATM, a ticket issuing machine, a kiosk terminal or the like. The present invention relates to a paper discharge device for a printer incorporated in a printer.

[0002]

2. Description of the Related Art Printers, which are incorporated in host devices such as ATMs, ticket issuing machines, kiosk terminals, etc., for printing deposit / withdrawal statements, tickets, receipts, etc. are becoming widespread. This type of printer usually prints necessary information on roll paper (paper) stored inside the housing of the host device, and then cuts the printed portion of the roll paper to obtain deposit / withdrawal statements, tickets, receipts, etc. It is configured to be provided to users.

[0003]

However, the above-mentioned conventional printer is constructed so that the printed paper delivered from the printing mechanism side is directly ejected from the paper ejection port provided on the front surface of the host device. However, it is necessary to dispose in the depth direction inside the host device, and as a result, the host device is not allowed to be upsized, and there is a possibility that the maintainability such as roll paper replacement and jam processing is deteriorated.

An object of the present invention is to increase the degree of freedom of printer arrangement in a host device such as an ATM, a ticket issuing machine, a kiosk terminal, etc. by ejecting the paper sent out from the printing mechanism side by changing its direction by about 90 °. As a result, it is possible to provide a paper discharge device and a printer that can improve the maintainability such as roll paper exchange and jam processing, as well as permitting downsizing of the host device.

[0005]

In order to achieve the above object, the paper discharge device of the present invention is designed to discharge a paper after printing, which is sent from the printing mechanism side so that the printing surface faces up or down, to a predetermined paper discharge. In a paper ejection device for ejecting paper from the mouth, a paper feed path for guiding the paper sent out from the printing mechanism side to the paper ejection opening, which bends approximately 90 ° in a plan view, and along the paper feed path And a paper feeding means for feeding the paper.

Further, the paper feeding means is provided with a carry-in feed roller for feeding the paper fed from the printing mechanism side to the accommodating portion, and a paper ejection feed roller for feeding the paper in the accommodating portion to the paper ejection port. It is preferable. In this case,
By selectively driving each feed roller,
° Paper can be fed along a curved paper feed path.

Further, a feed roller retracting means for retracting each of the feed rollers from the paper feed path is further provided, and when the carry-in feed roller feeds a paper, the paper discharge feed roller is withdrawn from the paper feed path. On the other hand, it is preferable that the carry-in feed roller is retracted from the paper feed path when the paper discharge feed roller feeds a sheet. In this case, when selectively driving each feed roller,
It is possible to avoid the inconvenience that the other feeding roller interferes with the paper feeding.

Further, the carry-in feed roller accumulates a plurality of sheets of paper sequentially delivered from the printing mechanism side in the accommodating portion, and the paper ejection feed roller ejects the accumulated plurality of sheets of paper. It is preferable to collectively discharge the sheets from the paper exit.
In this case, when providing a plurality of sheets to one user, it is possible to prevent the user from easily receiving the sheet and to prevent forgetting to receive the sheet.

Further, the carry-in feed roller and the paper discharge feed roller are arranged side by side in the circumferential direction in a plan view, and the sheet is rotated by driving in the same direction with the circumferential direction as a reference. Is preferred. In this case,
It is possible to change the orientation of the paper and provide it to the user. Furthermore, since the paper is rotated by using the carry-in feed roller and the paper discharge feed roller, it is possible to avoid an increase in the number of parts and a complicated structure. You can

Further, a plurality of direction changing feed rollers are provided between the carry-in feed roller and the paper discharge feed roller and are arranged in a fan shape in a plan view and sequentially change the orientation of the paper while feeding it. It is preferable. In this case, the orientation of the sheet can be changed and provided to the user, and since the feed roller arranged in a fan shape is used, the direction of the sheet can be changed with a simple configuration.

In order to achieve the above object, the printer of the present invention comprises the paper discharge device according to any one of claims 1 to 6.

[0012]

DETAILED DESCRIPTION OF THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic front view of the printer incorporated in the host device, and FIG. 2 is a schematic plan view of the printer incorporated in the host device. As shown in these drawings, the printer 10 is incorporated in a host device 11 such as an ATM, a ticket issuing machine, or a kiosk terminal, and prints a deposit / withdrawal statement, a ticket, a receipt, and the like. The printer 10 includes a storage unit 12 that rotatably stores roll paper (paper) R,
A printing unit (printing mechanism) 13 that prints on the roll paper R pulled out from the storage unit 12, a cutter unit 14 that cuts the print area of the roll paper R, and a print unit 13
A sheet discharge device (presenter) 16 that discharges the single-cut sheet P sent from the printer through a sheet discharge port 15 formed in the front surface of the host device 11.

The storage portion 12 projects forward and rolls the roll paper R.
A roll paper support shaft 17 for supporting the roll paper in a cantilevered manner and an openable / closable stopper 18 for preventing the roll paper R set on the roll paper support shaft 17 from coming off. The roll paper R set on the roll paper support shaft 17 is pulled out in the lateral direction,
The printing unit 13, the cutter unit 14, and the paper discharge device 16 are laterally arranged along the drawing direction.
As a result, the printer 10 can be installed even in the host device 11 having a limited depth dimension or height dimension. Further, by opening the front cover 19 of the host device 11, the roll paper R can be replaced or jammed. The processing can be easily performed.

The printing unit 13 comprises, for example, a thermal printing head 20 and a platen roller (feeding roller) 21 for feeding the roll paper R at a position facing the printing head 20 in the vertical direction, and on the downstream side thereof. Cutter unit 1
4 are arranged. When the printer 10 receives a print command from the host device 11, the print head 20 prints on the roll paper R while feeding the roll paper R by the platen roller 21. After that, the cutter unit 14 is operated, and the print area of the roll paper R is passed to the paper discharge device 16 as a single-cut sheet P.

The paper ejecting device 16 is configured to accommodate the paper P fed laterally from the printing unit 13 so that the printing surface faces upward, and eject the paper P from the front paper ejection port 15. It That is, the paper discharge device 16 is approximately 90
A paper feed path that bends and paper feed means that feeds the paper P along the paper feed path. As a result, the degree of freedom in arranging the printer 10 in the host device 11 is increased, and the printer 10 can be arranged sideways as described above. Hereinafter, three embodiments of the paper discharge device 16 will be sequentially described with reference to the drawings.

FIG. 3 is a perspective view of the paper discharge device of the first embodiment as viewed from above, and FIG. 4 is a perspective view of the paper discharge device of the first embodiment as viewed from below. As shown in these figures,
The paper discharge device 16A according to the first exemplary embodiment includes a storage unit 22 that stores the paper P sent from the left printing unit 13.
And a feeding mechanism 2 for carrying in the paper P into the accommodating portion 22.
3 and a paper ejection feed mechanism 24 for ejecting the paper P carried into the accommodating portion 22 from the paper ejection port 15. The storage portion 22 is a tray-shaped container whose upper side, left side, and front side are opened, and the right end surface thereof functions as a stopper portion 22 a for positioning the leading edge of the paper P.

The carry-in feed mechanism 23 comprises a plurality of carry-in feed rollers 26 between a pair of front and rear multi-joint arms 25, and normally contacts the bottom surface of the accommodating portion 22 by its own weight. Each multi-joint arm 25 is configured by sequentially connecting three arm members 25a, and the carry-in feed roller 26 is rotatably supported at each connection point. Gears (not shown) are integrally provided on the support shaft 27 of each of the carry-in feed rollers 26, and these gears are meshed in a series.
The support shaft 27 at the right end extends to the rear of the accommodating portion 22 through a long hole 22b formed in the rear portion of the accommodating portion 22 and is connected to a drive source (not shown). When the right end support shaft 27 is driven,
Power is transmitted to each of the support shafts 27 via the gears, and all the feeding rollers 26 for loading are synchronously rotated in the same direction. Also,
A first retracting mechanism (not shown) is connected to the carry-in feeding mechanism 23, and the carry-in feeding mechanism 23 is retracted upward in accordance with the operation of the first retracting mechanism.

The paper discharge feed mechanism 24 includes a pair of front and rear paper discharge feed rollers 28 arranged at the right end of the accommodating portion 22. The paper discharge feed roller pair 28 includes an upper feed roller 28a whose position is fixed, and a lower feed roller 28b that abuts the upper feed roller 28a via a square hole 22c formed in the bottom surface of the containing portion 22. It is configured to be provided and is rotationally driven by a drive source (not shown). Further, the lower feed roller 28b is supported movably up and down along the elongated hole 22d, is connected to a second retracting mechanism (not shown), and is retracted downward according to the operation of the second retracting mechanism. It

Next, the operation of the paper discharge device 16A will be described with reference to the drawings. FIG. 5A is an explanatory diagram showing a carry-in operation of the paper discharge device according to the first embodiment, and FIG. 5B is an explanatory diagram showing a paper discharge operation of the paper discharge device according to the first embodiment. As shown in FIG. 5A, during the carrying-in operation, the carrying-in feeding mechanism 23 contacts the bottom surface of the accommodating portion 22 by its own weight, while the lower feeding roller 28b of the paper discharging feeding mechanism 24 retracts downward. To be done. When the first sheet P is fed out from the printing unit 13 side in this state, the sheet P guided between the carry-in feed mechanism 23 and the bottom surface of the containing section 22 is accommodated by the rotation of the carry-in feed roller 26. It is sent to the right end of the portion 22 (stopper portion 22a). Further, when the second sheet P is sent out from the printing unit 13 side, this sheet P is guided between the already stored first sheet P and the carry-in feed mechanism 23, and also the carry-in feed roller. By the rotation of 26, the sheets are stacked on the first sheet P. By repeating this carrying-in operation, the plurality of sheets of paper P sequentially sent out from the printing unit 13 are accumulated in the accommodating portion 22.
When the feeding of the paper P from the printing unit 13 is completed,
As shown in FIG. 5B, while the carry-in feeding mechanism 23 is retracted upward, the retracting of the lower feed roller 28b in the paper discharging transport mechanism 24 is released. When the retracted lower feed roller 28b moves upward by the urging force of a spring (not shown), the right end portion of the sheets P stacked in the storage portion 22 by the above-described carrying-in operation is pinched by the discharge feed roller pair 28. In this state, when the paper discharge feed roller pair 28 is driven, the stacked paper P is fed forward and is discharged collectively from the paper discharge port 15. As a result, a plurality of sheets of paper P
As compared with the case where one sheet is provided to one user, it becomes easier for the user to receive the paper P and it is possible to prevent forgetting to receive the paper P.

FIG. 6 is a perspective view of the paper discharge device of the second embodiment as seen from above, and FIG. 7 is a perspective view of the paper discharge device of the second embodiment as seen from below. As shown in these figures,
The paper discharge device 16B according to the second exemplary embodiment includes a storage unit 29 that stores the paper P delivered from the left printing unit 13.
And a feed-in mechanism 3 for carrying in the paper P into the accommodating section 29.
0, and a paper ejection feed mechanism 31 for ejecting the paper P carried into the accommodating section 29 from the paper ejection port 15.

The carry-in feed mechanism 30 comprises a pair of front and rear carry-in feed roller pairs 33 arranged along the circumference of a virtual circle 32 on the accommodating portion 29. The carry-in feed roller pair 33 has an upper feed roller 33a whose position is fixed.
And a lower feed roller 33b that abuts the upper feed roller 33a through a square hole 29a formed in the bottom surface of the housing portion 29.
And is driven to rotate by a drive source (not shown). The driving of the carry-in feed roller pair 33 by the drive source is carried out during the carry-in drive state in which the pair of front and rear carry-in feed roller pairs 33 are rotated in the same direction (carry-in direction), and the pair of front-and-back carry-in feed roller pairs 33 are set in reverse. It is possible to switch to a driving state when the paper is rotated to rotate in the direction. Also,
The lower feed roller 33b is supported so as to be vertically movable along the long hole 29b, is connected to a first retracting mechanism (not shown), and is retracted downward according to the operation of the first retracting mechanism.

The paper discharge feed mechanism 31 includes a pair of left and right paper discharge feed rollers 34 arranged along the circumference of a virtual circle 32 on the accommodating portion 29. The discharge feed roller pair 34 includes an upper feed roller 34a whose position is fixed.
And a lower feed roller 34b that abuts the upper feed roller 34a through a square hole 29a formed in the bottom surface of the housing portion 29.
And is driven to rotate by a drive source (not shown). The drive source drives the pair of paper ejection feed rollers 34 to drive the pair of left and right paper ejection feed rollers 34 in the same direction (paper ejection direction) during ejection, and the pair of left and right paper ejection feeds. It is possible to switch to a driving state during rotation of the sheet in which the roller pair 34 is rotated in the opposite direction. Also,
The lower feed roller 34b is supported so as to be vertically movable along the long hole 29b, is connected to a second retracting mechanism (not shown), and is retracted downward according to the operation of the second retracting mechanism.

Next, the operation of the paper discharge device 16B will be described with reference to the drawings. FIG. 8A is an explanatory diagram showing a carry-in operation of the paper discharge device according to the second embodiment, and FIG. 8B is an explanatory diagram showing a paper rotation operation of the paper discharge device according to the second embodiment.
FIG. 7C is an explanatory diagram illustrating a paper discharge operation of the paper discharge device according to the second embodiment. As shown in FIG. 8A, during the carrying-in operation, the carrying-in feeding roller pair 33 is driven in the same direction (carrying-in direction) in the contact state, while the lower feeding of the paper discharging feeding roller pair 34 is carried out. The roller 34b is retracted downward. When the paper P is sent out from the printing unit 13 side in this state, the paper P guided between the carry-in feed roller pair 33 is
By the rotation of the carry-in feed roller pair 33, the carry-in feed roller pair 33 is fed to the right end, and the rotation of the carry-in feed roller pair 33 is stopped. Next, as shown in FIG. 8B, after the withdrawal of the lower feed roller 34b in the paper ejection feed roller pair 34 is released, the carry-in feed roller pair 33 and the paper ejection feed roller 34 are When the virtual circle 32 is rotated in the same direction (clockwise in plan view) with reference to the circumferential direction of the virtual circle 32, the paper P on the storage section 29 rotates in a clockwise direction in plan view, and its rotation angle becomes approximately 90 °. When reaching, the rotation of the carry-in feed roller pair 33 and the paper discharge feed roller 34 is stopped. Next, as shown in FIG. 8C, after the lower feed roller 33b of the carry-in feed roller 33 is retracted downward, the paper ejection feed roller pair 34 is moved in the same direction (paper ejection direction). When rotated, the paper P in the storage unit 29 is sent forward and the paper exit 1
Paper is discharged from 5. As a result, the orientation of the paper P is approximately 90
It becomes possible to convert the angle into 3 degrees and provide it to the user. Moreover, the carry-in feed roller pair 33 and the paper discharge feed roller pair 3 are provided.
By rotating the sheet P by using 4, it is possible to eliminate the need for a dedicated sheet rotation mechanism, and to avoid an increase in the number of parts and a complicated structure.

FIG. 9 is a perspective view of the paper discharge device of the third embodiment as viewed from above. As shown in this figure, the paper discharge device 16C according to the third embodiment is configured such that the left side printing unit 13
A storage unit 35 that stores the paper P sent out from the storage unit 35, a loading feed mechanism 36 that loads the paper P into the storage unit 35, and a direction conversion feed mechanism 37 that sequentially changes the direction of the paper P loaded into the storage unit 35. And the sheet P whose direction has been changed
5 and a sheet discharging feed mechanism 38 for discharging the sheet.

The accommodating portion 35 is curved in an arc shape at an angle of 90 ° in a plan view, and side walls 35a rising upward on both sides of the accommodating portion 35.
Is formed. The carry-in feed mechanism 36, the direction change feed mechanism 37, and the paper discharge feed mechanism 38 are all feed rollers 39 to rotatably supported between the side walls 35 a of the accommodating portion 35.
41, and is rotationally driven in the same direction by a drive source (not shown). The carry-in feed roller 39 constituting the carry-in feed mechanism 36 is arranged in the front-rear direction in the vicinity of the paper feed outlet of the printing unit 13, while the paper discharge feed roller 41 constituting the paper discharge feed mechanism 38 is arranged. , Paper exit 15
Is placed in the vicinity of and facing in the left-right direction. A plurality of direction changing feed rollers 40 constituting the direction changing feed mechanism 37.
Is arranged in a fan shape between the carry-in feed roller 39 and the paper discharge feed roller 41 in plan view, and the direction of the paper P can be sequentially changed while feeding the paper P.

Next, the operation of the paper discharge device 16C will be described with reference to the drawings. FIG. 10 is an explanatory diagram showing the operation of the paper discharge device according to the third embodiment. As shown in this figure,
The feed rollers 39 to 41 are rotationally driven in the same direction. When the paper P is delivered from the printing unit 13 side in this state, first, the paper P is rotated by rotation of the carry-in feed roller 39.
Are accommodated in the accommodating portion 35. The paper P carried into the accommodation portion 35 is continuously fed by the plurality of fan-shaped direction changing feed rollers 40, and its direction is sequentially changed, and the direction of the paper P is approximately 90 ° on the terminal side. To be converted. The paper P whose orientation has been changed is further fed forward by the paper ejection feed roller 41 and ejected from the paper ejection port 15. Thus, the direction of the paper P can be changed and provided to the user, and the direction of the paper P can be changed with a simple structure by using the direction-changing feed roller 40 arranged in a fan shape. It will be possible.

As described above, according to the embodiment of the present invention, the paper discharge device 16 for discharging the paper P after printing, which is sent from the printing unit 13 side so that the printing surface faces upward, from the paper discharge port 15. , The paper P sent out from the printing unit 13 side
The printer 10 in the host device 11 is configured by including a paper feed path that bends approximately 90 ° in plan view so as to guide the sheet P to the paper discharge port 15 and a paper feed unit that feeds the paper P along the paper feed path. The degree of freedom in arrangement of the host device 11 can be increased, and as a result, the host device 11 can be downsized,
It is possible to improve maintainability such as roll paper replacement and jam handling.

The paper feeding means is the printing unit 1.
The feeding roller 26 (33) for carrying in the paper P sent from the 3 side to the containing portion 22 (29), and the containing portion 22 (2).
9) Paper discharge feed roller 28 for sending the paper P to the paper discharge port 15
(34), the feed rollers 26, 28 (3
By selectively driving (3, 34), the paper P can be fed along a paper feed path bent by about 90 °.

Further, the feed rollers 26, 28 (3
3, 34) is further provided with a feed roller retracting mechanism that retracts from the paper feed path, and when the carry-in feed roller 26 (33) feeds the paper, the paper discharge feed roller 28 (34) is retracted from the paper feed path. On the other hand, the paper discharge feed roller 28 (34)
When the paper is fed, the feed-in feed rollers 26 (33) are retracted from the paper feed path.
When selectively driving (33, 34), it is possible to avoid the inconvenience that the other feed rollers 26, 28 (33, 34) hinder the paper feed.

Further, in the first embodiment, the carry-in feed roller 26 collects a plurality of sheets P sequentially fed from the printing unit 13 side in the accommodating portion 22, and the paper discharge feed roller 28 is gathered. Since a plurality of sheets P are collectively discharged from the sheet discharge port 15, when providing a plurality of sheets P to one user, it is not easy for the user to receive the sheets P, and the sheets P are not allowed. It is possible to prevent forgetting to receive.

Further, in the second embodiment, the carry-in feed roller 33 and the paper discharge feed roller 34 are arranged side by side in the circumferential direction in plan view, and are driven in the same direction with the circumferential direction as a reference. Since the paper P is rotated, it can be provided to the user by changing the orientation of the paper P. Moreover, since the paper feed roller 33 and the paper discharge feed roller 34 are used to rotate the paper P, the number of parts is increased. It is also possible to avoid an increase in the number and complexity of the structure.

Further, in the third embodiment, a plurality of fans are arranged between the carry-in feed roller 39 and the paper discharge feed roller 41 in a plan view and sequentially change the orientation of the paper P as it is fed. Since the direction-changing feed roller 40 is provided, the direction of the sheet P can be changed and provided to the user. Further, since the fan-shaped feed roller 40 is used, the direction of the sheet P can be changed with a simple configuration. It can be carried out.

Although one embodiment of the present invention has been described above with reference to the drawings, the present invention is not limited to the matters shown in the above embodiment, and the claims and the detailed description of the invention, and It includes a range in which those skilled in the art can make changes and applications based on well-known techniques.

[0034]

As described above, according to the present invention, by displacing the paper fed from the printing mechanism side in the direction of about 90 °, the printer is arranged in a host device such as an ATM, a ticket issuing machine, a kiosk terminal or the like. The degree of freedom can be increased, and as a result, not only is it possible to downsize the host device, but it is also possible to improve maintainability such as roll paper replacement and jam processing.

[Brief description of drawings]

FIG. 1 is a schematic front view of a printer incorporated in a host device.

FIG. 2 is a schematic plan view of a printer incorporated in a host device.

FIG. 3 is a perspective view of the paper discharge device according to the first embodiment as viewed from above.

FIG. 4 is a perspective view of the paper discharge device according to the first embodiment as viewed from below.

FIG. 5A is an explanatory diagram showing a carry-in operation of the paper discharge device according to the first embodiment, and FIG. 5B is an explanatory diagram showing a paper discharge operation of the paper discharge device according to the first embodiment.

FIG. 6 is a perspective view of the paper discharge device according to the second embodiment as viewed from above.

FIG. 7 is a perspective view of the paper discharge device according to the second embodiment as viewed from below.

FIG. 8A is an explanatory view showing a carry-in operation of the paper discharge device according to the second embodiment, FIG. 8B is an explanatory view showing a paper rotation operation of the paper discharge device according to the second embodiment, and FIG. Is the second
FIG. 6 is an explanatory diagram illustrating a paper discharge operation of the paper discharge device according to the embodiment.

FIG. 9 is a perspective view of the paper discharge device according to the third embodiment as viewed from above.

FIG. 10 is an explanatory diagram showing the operation of the paper discharge device according to the third embodiment.

[Explanation of symbols]

P paper R roll paper 10 Printer 11 Host device 12 Storage 13 Printing unit 14 Cutter unit 15 Paper exit 16A paper ejection device 16B paper ejection device 16C paper ejection device 22 Housing 23 Feeding mechanism for loading 24 Paper ejection feed mechanism 26 Feeding rollers for loading 28 Delivery roller pairs for paper ejection 29 accommodation 30 Feeding mechanism for loading 31 Paper feed mechanism 33 Feeding roller pair for loading 34 Paper delivery feed roller pair 35 Housing 36 Feeding mechanism for loading 37 Direction changing feed mechanism 38 Paper ejection feed mechanism 39 Feeding roller for loading 40 Direction changing feed roller 41 Paper discharge feed roller

Continued front page    (72) Inventor Atsushi Nishioka             Seiko, 3-3-3 Yamato, Suwa City, Nagano Prefecture             -In Epson Corporation F-term (reference) 3F053 CA06 CA16 LA07 LA08 LB04                 3F054 AA03 AC06 BA02 BB01 BC14                       BJ02                 3F102 AA11 AA15 AB03 BA03 BB08                       EA01 EA03

Claims (7)

[Claims] 1. In a paper ejection device for ejecting a paper after printing, which is ejected from the printing mechanism side so that the printing surface faces up or down, from a predetermined ejection port, the paper ejected from the printing mechanism side is ejected. A paper discharge device, comprising: a paper feed path that leads to the paper discharge port, which bends by approximately 90 ° in a plan view, and paper feed means that feeds paper along the paper feed path. 2. The paper feeding means includes a carry-in feed roller that feeds the paper sent from the printing mechanism side to a storage unit, and a paper discharge feed roller that sends the paper in the storage unit to the paper discharge port. The paper discharge device according to claim 1, further comprising: 3. A feed roller retreating unit that retracts each of the feed rollers from the paper feed path, wherein when the carry-in feed roller feeds a sheet, the paper discharge feed roller is retracted from the paper feed path. On the other hand, when the paper ejection feed roller feeds a sheet, the carry-in feed roller is retracted from the paper feed path. 4. The carry-in feed roller collects a plurality of sheets of paper sequentially fed from the printing mechanism side in the accommodating portion, and the paper discharge feed roller collects the plurality of stacked sheets of paper. The paper discharge device according to claim 2, wherein the paper is discharged all at once from the paper exit. 5. The carry-in feed roller and the paper discharge feed roller are arranged so as to be lined up in the circumferential direction in a plan view,
The paper discharge device according to claim 2, wherein the paper is rotated by driving in the same direction with respect to the circumferential direction. 6. A plurality of direction changing feed rollers, which are arranged in a fan shape in a plan view, are arranged between the carry-in feed roller and the paper discharge feed roller and sequentially change the orientation of the paper while feeding the paper. The paper discharge device according to claim 2, wherein 7. A printer comprising the paper discharge device according to claim 1.