A printing media flattening structure and printing media processing equipment

Abstract

This utility model relates to the technical field of printing media processing equipment, specifically providing a printing media flattening structure and printing media processing equipment. The printing media flattening structure includes a conveying mechanism; a first flattening component and a second flattening component. The first flattening component is arranged on the feed side of the conveying mechanism along the conveying direction of the printing media, and the second flattening component is arranged on the discharge side of the conveying mechanism along the conveying direction of the printing media. Each of the first and second flattening components includes at least one pair of scrapers, and each pair of scrapers defines a slit between them, allowing only a single sheet of printing media to pass through. This automated flattening structure replaces the manual screening and smoothing process by the reviewer, avoiding omissions that may be caused by manual screening and saving the reviewer's time, effort, and labor.

Description

Technical Field

[0001] This utility model relates to the field of printing media processing equipment technology, and in particular to a printing media flattening structure and printing media processing equipment. Background Technology

[0002] Current media handling equipment, such as printers, scanners, and exam paper graders, can generally only handle flat media (e.g., exam papers), and cannot handle media with wrinkles or folds. It's easy to imagine that wrinkled or folded media can easily cause blockages in the media transport path, and may even tear exam papers or assignments. Because media handling equipment lacks the function to flatten folds, graders must manually screen out exam papers or assignments with folds and smooth them out before printing or scanning. On the one hand, manual processing cannot guarantee that all exam papers or assignments with folds will be screened out, meaning some may still be missed; on the other hand, manual processing consumes the grader's additional time and effort, indirectly reducing the grader's grading efficiency. Utility Model Content

[0003] This invention provides a printing media flattening structure and a printing media processing device to solve the problem of low efficiency in manually processing printing media with folds and / or wrinkles in the prior art. It realizes an automated printing media flattening structure so that printing media can be processed in batches and quickly.

[0004] According to a first aspect of the present invention, a printing media flattening structure is provided, comprising: Conveying mechanism; The first flattening assembly and the second flattening assembly are arranged on the feeding side of the conveying mechanism along the conveying direction of the printing medium, and the second flattening assembly is arranged on the discharging side of the conveying mechanism along the conveying direction of the printing medium. The first flattening assembly and the second flattening assembly each include at least one pair of blades, each pair of blades defining a slit therebetween, the slit allowing only a single sheet of printing media to pass through.

[0005] According to the present invention, a printing media flattening structure is provided, wherein a first flattening component includes a first guide member arranged on its feed side, and the end of the first guide member on its discharge side is close to at least a pair of scrapers. The second flattening assembly includes a second guide disposed on its discharge side, the end of the second guide on its feed side being close to at least one pair of scrapers.

[0006] According to the printing media flattening structure provided by this utility model, the first guide member and the second guide member are each a pair of guide plates. The first guide is designed such that the distance between a pair of guide plates gradually decreases from the feed side to the discharge side; The second guide is designed such that the distance between a pair of guide plates gradually increases from the feed side to the discharge side.

[0007] According to the printing media flattening structure provided by this utility model, each pair of scrapers has chamfered corners at their opposite corners facing away from the conveying mechanism.

[0008] According to the printing medium flattening structure provided by this utility model, the first flattening component and the second flattening component each include two pairs of scrapers. On the plane where the printing medium is located, the distance between the two pairs of scrapers, which is orthogonal to the conveying direction of the printing medium, is adjustable.

[0009] According to the printing medium flattening structure provided by this utility model, the distance between at least one pair of blades of the first flattening component and at least one pair of blades of the second flattening component along the conveying direction of the printing medium is less than the length or width of the printing medium.

[0010] According to the present invention, a printing medium flattening structure further includes a controller, a first sensor, and a second sensor. The first sensor is arranged on the feeding side of at least one pair of scrapers of the first flattening assembly, and the second sensor is arranged on the discharging side of at least one pair of scrapers of the second flattening assembly. The first sensor and the second sensor are each configured to detect whether printing medium is being delivered to their respective positions. The first sensor and the second sensor are each communicatively connected to the controller.

[0011] According to the printing medium flattening structure provided by this utility model, in response to the first sensor detecting that the rear end of a single printing medium has completely passed through the slit for the first time, the controller manipulates the conveying mechanism to convey the printing medium in the reverse direction.

[0012] According to the printing medium flattening structure provided by this utility model, in response to the second sensor detecting that the front end of a single printing medium has completely passed through the slit in the reverse direction, the controller manipulates the conveying mechanism to convey the printing medium in the forward direction.

[0013] According to a second aspect of the present invention, a printing media processing device is also provided, including a processing mechanism and a printing media flattening structure according to the first aspect of the present invention, wherein the printing media flattening structure is disposed in front of the processing mechanism in the printing media conveying direction.

[0014] The printing media flattening structure provided by this utility model, through flattening components respectively arranged in the conveying mechanism, defines a slit that allows only a single sheet of printing media to pass through. This allows the pointed corner of a printing media with folds to pass through the slit, but the folded portion of the corner is blocked by a pair of scrapers, preventing it from entering the slit. Conversely, the printing media is continuously conveyed through the slit, and the folded portion of the corner is smoothed out due to being blocked. Thus, the front corner of the printing media can be smoothed out by the second flattening component, while the rear corner can be smoothed out by the first flattening component, and any wrinkles in the printing media can be flattened by the conveying mechanism. By providing a structure for automatically flattening entire sheets of printing media, particularly by using two flattening components to smooth out any folds in the printing media and by using the conveying mechanism to flatten the printing media, the manual screening and smoothing process by the reviewer is replaced, avoiding omissions that may be caused by manual screening and saving the reviewer's time, effort, and labor. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0016] Figure 1 This is a perspective view of a portion of the flattening structure of the printing medium provided by this utility model.

[0017] Figure 2 This is a front view of an embodiment of the printing media flattening structure provided by this utility model.

[0018] Figure 3 This is a front view of another embodiment of the printing media flattening structure provided by this utility model.

[0019] Figure label: 1. Conveying mechanism; 101. Driving conveyor roller; 102. Driven conveyor roller; 2. First flattening assembly; 3. Second flattening assembly; 4. Scraper; 5. Chamfer; 6. First guide component; 7. Second guide component; 8. Guide plate; I, feed side; O, discharge side; S, slit; P, printing medium; T, fold tip; F, folded part. Detailed Implementation

[0020] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0021] In the description of the embodiments of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection, wherein a fixed connection can include an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.

[0023] In this embodiment of the utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0024] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0025] The following is combined with Figures 1 to 3 This invention describes the printing media flattening structure and printing media processing equipment.

[0026] Figure 1 This is a perspective view of a portion of the printing media flattening structure provided by this utility model, wherein the guide plate 8 is drawn in a perspective manner to facilitate the display of the printing media P. Figure 1 As shown, the printing media flattening structure includes a conveying mechanism 1, a first flattening assembly 2, and a second flattening assembly 3. Relative to the conveying direction of the printing media P, the first flattening assembly 2 is arranged on the feed side I of the conveying mechanism 1, while the second flattening assembly 3 is arranged on the discharge side O of the conveying mechanism 1. Preferably, in the conveying direction of the printing media P, the first flattening assembly 2 and the second flattening assembly 3 are arranged symmetrically about the conveying mechanism 1; in particular, their spatial layout and configuration are symmetrical about the conveying mechanism 1. Therefore, the second flattening assembly 3... Figure 1 The middle part is omitted.

[0027] The first flattening assembly 2 includes at least one pair of blades 4, each pair of blades 4 defining a slit S in a vertical direction perpendicular to the transport direction of the printing medium P. This slit S allows only a single sheet of printing medium P to pass through it; for example, a flat sheet of printing medium P, or the folded tip T of a sheet of printing medium P with a folded front end, can pass through this slit S and subsequently reach the transport mechanism 1. The second flattening assembly 3 has a configuration that is mirror-symmetrical to the first flattening assembly 2 with respect to the transport mechanism 1, and will not be described further here.

[0028] Furthermore, the conveying mechanism 1 may include a driving conveying roller 101 and a driven conveying roller 102. The driving conveying roller 101 is arranged above the conveying path of the printing medium P, while the driven conveying roller 102 is arranged below the conveying path of the printing medium P. The planes containing the respective virtual rotation axes of the driving conveying roller 101 and the driven conveying roller 102 are orthogonal to the conveying path of the printing medium P. The driving conveying roller 101 and the driven conveying roller 102 are rotatably abutted against each other, thereby allowing the printing medium P to pass between the driving conveying roller 101 and the driven conveying roller 102 and be conveyed by the combination of the driving conveying roller 101 and the driven conveying roller 102 to the discharge side O or back to the feed side I. Furthermore, the driving conveying roller 101 and the driven conveying roller 102 apply a certain pressure to each other, thereby allowing the printing medium P passing between them to be flattened by their combination.

[0029] Due to the inherent elasticity of the printing medium P, even if there is a fold at its corner, although the folded tip T can remain basically the same as a single sheet of printing medium P, the folded part F will still not be able to stay in contact with the main body of the printing medium P due to its inherent elasticity. In other words, the folded part F will lift up and form an angle with the main body of the printing medium P.

[0030] When the printing medium P, such as an exam paper, has folds at both its front and rear ends, it needs to be flattened at the printing medium flattening structure before being processed in the printing medium processing equipment. First, the printing medium P is conveyed through the pair of blades 4 of the first flattening assembly 2, allowing the folded tip T to pass through the slit S. Then, the printing medium P continues to be conveyed forward. When it reaches the conveying mechanism 1, it is flattened and continues to be conveyed to the output side O. When the rear fold of the printing medium P reaches the first flattening assembly 2, the folded portion F of the rear fold is blocked by the pair of blades 4, so only the main body of the printing medium P continues to be conveyed to the output side O. Under the continuous conveying action of the conveying mechanism 1 and the blocking action of the pair of blades 4 of the first flattening assembly 2, the folded portion F of the rear fold is flattened. Furthermore, the conveying mechanism 1 rotates in the reverse direction, causing the printing medium P to be conveyed in the reverse direction from the output side O to the feed side I. Similarly, when the leading corner of the printing medium P reaches the second flattening assembly 3, the folded portion F of the leading corner is blocked by the pair of scrapers 4. Under the continuous conveying action of the conveying mechanism 1 and the blocking action of the pair of scrapers 4 of the second flattening assembly 3, the folded portion F of the leading corner is thus flattened. Moreover, precisely because the distance between the first flattening assembly 2 and the second flattening assembly 3 along the conveying direction of the printing medium P is less than the length or width of the printing medium P, it is ensured that the printing medium P will not leave the conveying path between the first flattening assembly 2 and the second flattening assembly 3 during the forward / reverse rotation of the conveying mechanism 1, thereby ensuring that the printing medium P is indeed flattened and rolled flat during this process. After both corners of the printing medium P are flattened, the conveying mechanism 1 rotates forward again, completely conveying the printing medium P to the discharge side O. Thus, the printing medium P conveyed to the subsequent processing mechanism is completely flattened and rolled flat, so that the processing mechanism can accurately print or read the content on it.

[0031] Figure 2 This is a front view of one embodiment of the printing media flattening structure provided by this utility model, as shown below. Figure 2As shown, the first flattening assembly 2 includes a first guide 6 arranged on its feed side I, with the end of the first guide 6 on its discharge side O close to at least one pair of scrapers 4, and even more specifically, the end of the first guide 6 on its discharge side O connected to at least one pair of scrapers 4. Similarly, the second flattening assembly 3 includes a second guide arranged on its discharge side O, with the end of the second guide 6 on its feed side I close to at least one pair of scrapers 4, and even more specifically, the end of the second guide 6 on its feed side I connected to at least one pair of scrapers 4. Preferably, the first guide 6 and the second guide 3 are each a pair of guide plates 8. The first guide 6 is designed such that the distance between the two guide plates 8 gradually decreases from the feed side I to the discharge side O; the second guide 6 is designed such that the distance between the two guide plates 8 gradually increases from the feed side I to the discharge side O. Thus, the printing medium P placed on the feed side I of the printing medium flattening structure is guided by the gradually narrowing distance between the two guide plates 8 of the first guide 6, and is ultimately guided into the slit S. Similarly, when the conveying mechanism 1 rotates in the reverse direction, the printing medium P, which is conveyed in the reverse direction to the feed side I, is guided by the gradually narrowing gap between the pair of guide plates 8 of the second guide member, and is eventually guided into the slit S. Thus, the first guide member 6 and the second guide member are designed to guide the printing medium P more precisely into the slit S. Furthermore, the second guide member can also be configured to guide the flattened and rolled printing medium to continue conveying it to the subsequent processing mechanism in a desired posture for further processing. This desired posture, for example, is that the long edge and / or wide edge of the printing medium P is aligned with the subsequent conveying path, ensuring that the printing medium P is conveyed to the subsequent processing mechanism without deviation.

[0032] Alternatively, the first flattening assembly 2 and the second flattening assembly 3 may not include their respective guides (i.e., the first guide 6 and the second guide). Figure 3 This is a front view of another embodiment of the printing media flattening structure provided by this utility model, as shown below. Figure 3 As shown, each pair of scrapers 4 of the first flattening assembly 2 and the second flattening assembly 3 has a chamfer 5 at their opposite corners facing away from the conveying mechanism 1. This chamfer 5 can be a straight chamfer 5 or a rounded chamfer 5. As long as the slit S defined by each pair of scrapers 4 of the first flattening assembly 2 gradually decreases from the feed side I to the discharge side O, and simultaneously ensures that the slit S defined by each pair of scrapers 4 of the second flattening assembly 3 gradually decreases and increases from the feed side I to the discharge side O, the guiding effect on the printing medium P can also be achieved.

[0033] Furthermore, the first flattening assembly 2 and the second flattening assembly 3 each include two pairs of scrapers 4. Each pair of scrapers is positioned at the two corners corresponding to the feeding of the printing medium P, wherein the two corners of the printing medium P refer to the two corners on the edge (length or width) of the printing medium P, which is orthogonal to the conveying direction of the printing medium P on the plane in which the printing medium P is located. Preferably, the distance between the two pairs of scrapers 4, orthogonal to the conveying direction of the printing medium P, on the aforementioned plane is adjustable. This configuration allows the two pairs of scrapers 4 to adapt to the feeding posture of the printing medium P. For example, when the printing medium P uses its length edge as the feeding edge, the distance between the two pairs of scrapers 4 can be increased so that the two pairs of scrapers 4 correspond to the two corners on the length edge of the printing medium P, respectively; when the printing medium P uses its width edge as the feeding edge, the distance between the two pairs of scrapers 4 can be decreased so that the two pairs of scrapers 4 correspond to the two corners on the width edge of the printing medium P, respectively.

[0034] The distance between the first flattening assembly 2 and the second flattening assembly 3, and in particular their respective at least one pair of scrapers 4, along the transport direction of the printing medium P is less than the length or width of the printing medium P. This configuration is intended to ensure that when either the front or rear end of the printing medium P is flattened and folded at an angle by the corresponding first flattening assembly 2 or second flattening assembly 3, the other front or rear end of the printing medium P is simultaneously positioned at the corresponding first flattening assembly 2 or second flattening assembly 3, thereby facilitating the forward / reverse rotation control of the transport mechanism 1, which will be further described below.

[0035] Furthermore, the flattening structure for the printing medium P also includes a controller (not shown in the figure), a first sensor (not shown in the figure), and a second sensor (not shown in the figure). The controller can be configured as a control circuit or similar circuit that only needs to manipulate the forward / reverse rotation of the conveying mechanism 1 in response to the associated signals of the first sensor and / or the second sensor. More specifically, the controller can manipulate the forward / reverse rotation of the conveying mechanism 1 based on the associated signals and priorities of the first sensor and / or the second sensor, without needing to edit complex computer-executable programs. The first sensor is arranged on the feed side I of at least one pair of scrapers 4 of the first flattening assembly 2, and the first sensor is configured to detect whether printing medium P is being conveyed to at least one pair of scrapers 4 of the first flattening assembly 2 (particularly its feed side I). The second sensor is arranged on the discharge side O of at least one pair of scrapers 4 of the second flattening assembly 3, and the second sensor is configured to detect whether printing medium P is being conveyed to at least one pair of scrapers 4 of the second flattening assembly 3 (particularly its discharge side O). For example, the first and second sensors are infrared-based position sensors. The first and second sensors are each communicatively connected to the controller.

[0036] When the printing medium P is delivered by the reviewer into the printing medium flattening structure, specifically, when the printing medium P arrives at the feed side I of at least one pair of scrapers 4 of the first flattening assembly 2, the first sensor detects that the printing medium P is in place. Subsequently, the conveying structure 1 continues to rotate forward, continuously conveying the printing medium P towards the discharge side O, until the rear end of the printing medium P completely passes through the slit S of the first flattening assembly 2. At this point, the first sensor detects that the printing medium P is no longer in place. Simultaneously, the fact that the printing medium P has completely passed through the slit S means that the rear end bend of the printing medium P has been completely smoothed by the first flattening assembly 2. In response to the first sensor detecting that the printing medium P is no longer in place (i.e., it has completely passed through the slit S), the controller manipulates the conveying mechanism 1 to rotate in the reverse direction to convey the printing medium P in the reverse direction.

[0037] When the printing medium P is conveyed by the conveying structure 1 in the forward direction to the second flattening assembly 3, specifically when the printing medium P arrives at the discharge side O of at least one pair of scrapers 4 of the second flattening assembly 3, the second sensor detects that the printing medium P is in place. Subsequently, the conveying structure 1 first rotates continuously in the forward direction, and then rotates in the reverse direction to convey the printing medium P back to the feed side I, until the leading edge of the printing medium P completely passes through the slit S of the second flattening assembly 3. At this point, the second sensor detects that the printing medium P is no longer in place. At the same time, the printing medium P has completely passed through the slit S, which means that the leading edge bend of the printing medium P has been completely smoothed by the second flattening assembly 3. In response to the second sensor detecting that the printing medium P is no longer in place for the first time (i.e., it has completely passed through the slit S), the controller manipulates the conveying mechanism 1 to rotate in the forward direction again in order to convey the printing medium P in the forward direction.

[0038] Therefore, the rotation direction of the conveying mechanism 1 does not need to rely on complex programming, i.e., the methods and steps implemented by the computer, for control. Instead, it can be controlled by control circuits, such as gate circuits, in response to the signals from the first and second sensors. In other words, the improvement in the rotation direction control of the conveying mechanism 1 lies not in the methods and steps implemented by the computer, but in the specific combination of control circuits and position sensors.

[0039] According to a second aspect of this invention, a printing media processing device is also provided, comprising a processing mechanism (not shown in the figure) and a printing media flattening structure as described above. The printing media processing device is, for example, a printer, scanner, or document reader; correspondingly, the processing mechanism is, for example, a printing mechanism, a scanning mechanism, or an electronic reading mechanism. In the printing media conveying direction, the printing media flattening structure is positioned in front of the processing mechanism. Thus, the printing media P is first delivered by the reader into the printing media flattening structure, which automatically flattens the printing media P. Specifically, the first flattening component 2 and the second flattening component smooth out the folds of the printing media P, and the conveying mechanism 1 flattens the wrinkles of the printing media P. Finally, the printing media P obtained from the output side O of the printing media flattening structure is flat, so that the subsequent processing mechanism can more accurately print / scan / read the content on the printing media P.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A print media flattening structure, comprising: include: Conveying mechanism (1); The first flattening assembly (2) and the second flattening assembly (3) are arranged on the feed side (I) of the conveying mechanism (1) along the conveying direction of the printing medium (P), and the second flattening assembly (3) is arranged on the discharge side (O) of the conveying mechanism (1) along the conveying direction of the printing medium (P). The first flattening assembly (2) and the second flattening assembly (3) each include at least one pair of blades (4), each pair of blades (4) defining a slit (S) therebetween, the slit (S) allowing only a single sheet of printing media (P) to pass through it.

2. The print media flattening structure of claim 1, wherein, The first flattening assembly (2) includes a first guide (6) arranged on its feed side (I), the end of the discharge side (O) of the first guide (6) being close to at least one pair of said scrapers (4). The second flattening assembly (3) includes a second guide (7) arranged on its discharge side (O), the end of the feed side (I) of the second guide (7) being close to at least one pair of said scrapers (4).

3. The print media flattening structure of claim 2, wherein, The first guide (6) and the second guide (7) are each a pair of guide plates (8). The first guide (6) is designed such that the distance between the two guide plates (8) gradually decreases from the feed side (I) to the discharge side (O); The second guide (7) is designed such that the distance between the two guide plates (8) gradually increases from the feed side (I) to the discharge side (O).

4. The print media flattening structure of claim 1, wherein, Each pair of scrapers (4) has a chamfer (5) at the opposite corners of the conveying mechanism (1).

5. The print media flattening structure of any of claims 1 to 4, wherein, The first flattening assembly (2) and the second flattening assembly (3) each include two pairs of blades (4). On the plane where the printing medium (P) is located, the distance between the two pairs of blades (4) orthogonal to the conveying direction of the printing medium (P) is adjustable.

6. The print media flattening structure of claim 1, wherein, The distance between at least one pair of blades (4) of the first flattening assembly (2) and at least one pair of blades (4) of the second flattening assembly (3) along the transport direction of the printing medium (P) is less than the length or width of the printing medium (P).

7. The print media flattening structure of claim 6, wherein, It also includes a controller, a first sensor and a second sensor, the first sensor being arranged on the feed side (I) of at least one pair of scrapers (4) of the first flattening assembly (2), and the second sensor being arranged on the discharge side (O) of at least one pair of scrapers (4) of the second flattening assembly (3). The first sensor and the second sensor are each configured to detect whether printing media (P) is being delivered to their location, and the first sensor and the second sensor are each communicatively connected to the controller.

8. The print media flattening structure of claim 7, wherein, In response to the first sensor detecting that the rear end of a single print media (P) has passed completely through the slit (S) for the first time, the controller manipulates the conveying mechanism (1) to convey the print media (P) in reverse.

9. The print media flattening structure of claim 8, wherein, In response to the second sensor detecting that the front end of a single print media (P) has completely passed through the slit (S) in the reverse direction, the controller manipulates the conveying mechanism (1) to convey the print media (P) in the forward direction.

10. A print media handling apparatus, characterized by, A printing medium flattening structure according to any one of claims 1 to 9 is provided in front of a processing mechanism in a conveying direction of a printing medium (P).

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