[0001]The present invention relates to a printing apparatus such as an ink jet printer.
Background technique
[0002]
　Conventionally, by ejecting ink to a medium such as paper, ink jet printing apparatus for printing on the medium it is known. Some of these printing apparatus comprises a feeding unit for rotatably holding the roll body wound up the medium into a cylindrical shape, performs printing to feed the medium by rotating the roll body which is held in the feeding unit there is (for example, Patent Document 1).
CITATION
Patent Literature
[0003]
Patent Document 1: JP 2013-223977 JP
Summary of the Invention
Problems that the Invention is to Solve
[0004]
　However, in the printing apparatus as described above, when feeding the medium from the feeding unit, the torque for rotating the roll body acts on one end in the axial direction of the roll body. Therefore, the longer the length in the axial direction of the roll body, twisting of the axial rotation occurs in the roll body, there is a possibility that the feeding amount of the medium from the feeding unit is not uniform in the axial direction. As a result, in transporting the fed media, there is a possibility that conveyance failure of the medium occurs.
[0005]
　The present invention has been made in view of the above circumstances. The aim is in transporting the medium fed out from the feeding unit for holding the roll body, to provide a printing device capable of suppressing the occurrence of conveyance failure of the medium.
Means for Solving the Problems
[0006]
　Hereinafter referred to as the means and effects in order to solve the above problems.
　The printing device for solving the above problems, a printing device for printing on the medium fed out of the roll body wound up the medium into a cylindrical shape, and rotatably holding the roll body, the roll body It includes a feeding unit which feeds said medium by rotating, and a conveying unit that conveys the medium fed from the feeding unit, and a printing unit for printing on the medium conveyed by the conveying unit, the feeding parts are a first rotating body integral rotatable with the roll body by engaging the first end of the roll body, a first driving unit for rotationally driving the first rotating body, the roll body a second rotary member integral rotatable with the roll body by engaging the second end, and a second driving unit for rotationally driving the second rotating body.
[0007]
　According to the above configuration, by engaging the two ends of the roll body to the first rotary body and the second rotating body of the feeding portion, it is possible to hold the roll in the feeding unit. Then, when the first driver and the second driver of the feeding unit is to rotate the first rotating body and the second rotating member, for imparting a torque for rotating the roll at both ends of the roll body be able to. Therefore, minute to impart torque from both ends, the torsion of the axial rotation hardly occurs in the roll body in the roll body, it becomes easy to uniform the feeding amount in the width direction of the medium from the feeding unit. Therefore, it is possible to suppress in transporting the medium fed out from the feeding unit for holding the roll body, the occurrence of conveyance failure such as wrinkles and skew occurs on the medium.
[0008]
　The printing apparatus, rotatably holds the roll body, further comprising a winding section for winding the medium is performed printing by the printing unit by rotating the roll body, the winding unit includes a roll a first rotating body integral rotatable with the roll body by engaging the first end of the body, a first driving unit for rotationally driving the first rotating body, the second end of the roll body a second rotary member integral rotatable with the roll body by engaging, it is desirable to have a second driving unit for rotationally driving the second rotating body.
[0009]
　In the winding unit, the twisting of axial rotation occurs in the roll body, it may become winding failure easily occurs, such as the medium is wound while shifted in the width direction. According to the constitution described above, it is possible to impart torque for rotating the roll at both ends of the roll body, twisting of the axial rotation is less likely to occur in the roll body. Therefore, it is possible to suppress the occurrence of winding defects of the medium.
[0010]
　In the above printing apparatus, the when the first rotary member and the second width direction and a direction rotating body facing the feeding unit, the feeding unit includes a first rotating member and engaging the first end of the feeding unit a first intermediate rotor integral rotatable with the roll body by engaging the second end of the roll body which case, the roll body second end is engaged with the second rotating body of the feeding unit a second intermediate rotor integral rotatable with the roll body by engaging the first end, has a, between the first rotary body and the second rotating body of the feeding portion in the width direction it is desirable to further comprise an intermediate holder mounted on.
[0011]
　According to the above configuration, by mounting the intermediate holder in the feeding section, also referred to as a first rotary member and the first intermediate rotating member to one of the roll of the feeding unit (hereinafter, "first roll." ends is engaged with a), the second rotor and the second other of the roll body to the intermediate rotating body of the feeding portion (hereinafter referred to as "second roll body".) across to engage the the , it is possible to hold two of the roll body to the feeding unit. The feeding unit first driving unit (also referred to as the "first medium".) The first rotating body rotating drive first by the roll body from one medium with feeding and the feeding unit the second driving unit (also referred to as the "second medium".) the second from the roll body of another medium by rotating the second rotating body can be fed out.
[0012]
　Here, since the intermediate holder having a first intermediate rotating member and the second intermediate rotating member is mounted between the first rotary body and the second rotating body of the feeding portion in the width direction, the first the length of the roll body and the second roll member is shorter than the length of the one of the roll body at the time of holding the one roll via a feeding unit the first rotating body and the second rotary member Prone. That is, even when rotating at applying torque to one end in the width direction, the first roll and the second roll body, twisting of the axial rotation is less likely to occur.
[0013]
　Therefore, according to this configuration, while suppressing that the conveyance failure occurs, it is possible to simultaneously print the two media, it is possible to increase the printing efficiency.
　The printing apparatus, the winding unit, the first end is integrally rotatable with the roll body by engaging the second end of the roll body to be engaged with the first rotary member of said winding section 1 of the intermediate rotating body, integrally rotatable second intermediate rotating with the roll body by a second end engages the first end of the roll body to be engaged with the second rotor of the winding section It has a body, and it is desirable to have a middle holding part which is mounted between the first rotary body and the second rotating body of the winding unit.
[0014]
　According to the above configuration, by mounting the intermediate holder in the feeding unit and the take-up unit, when performing printing on two media fed out from the two roll body, the two media into separate roll body it can be wound. Further, in the case the transport speed of the first medium and the second medium are equal, such as when the outer diameter of the first roll and the second roll of the winding section are different, the winding unit, the It may correspond to when it is necessary to vary the rotational speed of one of the roll body and the second roll.
[0015]
　In the above printing apparatus, the medium which both ends fed out of the roll body for engaging the first rotating body and the first intermediate rotor of the feeding unit and the first medium, the second rotation of the feeding unit when the medium body and ends in the second intermediate rotating member is drawn out from the roll body to be engaged with the second medium, of the first medium and the second medium, the printing for one of the medium If the printing on other media is no longer carried out while the is being performed, it is desirable to limit the transport of the other medium while permitting the conveyance of the one medium.
[0016]
　According to the above arrangement, if while the printing is performed for one of the media of the first medium and the second medium are printing on other media no longer made (for example, is printed first has been completed in the case), it is prevented that other media continues to be conveyed. Therefore, by media printing it is no longer carried out continues to be transported, it is possible to avoid that the medium is wasted.
[0017]
　Said printing apparatus, said medium having both ends fed out of the roll body for engaging the first rotating body and the first intermediate rotor of the feeding unit and the first medium, the second rotation of the feeding unit when the medium at both ends fed out from the roll body which engages the body and the second intermediate rotating member and a second medium, in a direction intersecting the transport direction and both of the width direction of the first medium wherein a first tension applying section capable imparting tension to said first medium by pressing said first medium, in a direction intersecting the transport direction and both of the width direction of the second medium the it is desirable to further include in the by pressing the second medium the second medium and the second tension applying section capable tension, the.
[0018]
　According to the above configuration, it is possible by the first tension applying section and the second tension applying section, to impart different tensions in the individual to the first medium and the second medium. Therefore, the tension applied to the first medium and the second medium, it is possible to change according to the external diameter of the roll body in the change or the winding unit according to the type of medium.
[0019]
　In the above printing apparatus, the first tension applying portion and the second tension applying section, it is desirable in the width direction can be coupled.
　According to the above arrangement, when the feeding unit holds the first rotating body and the second rotating body one of the roll body through a first tensioning unit and the second tensioning linked in the width direction by pressing the fed medium from the one roll body parts, it is possible to equalize the tension applied to a single medium in the width direction. Therefore, it is possible to in comparison with the case where the first tension applying section and the second tension applying section for one medium imparts a distinct tension hardly occurs a winding failure.
BRIEF DESCRIPTION OF THE DRAWINGS
[0020]
[1] a perspective view of a printing apparatus according to one embodiment.
[2] a side sectional view of the printing apparatus.
[Figure 3] a partial front view of the printing apparatus.
[Figure 4] a partial front view of the printing device when printing on one winding solved media from the roll body.
[5] a partial front view of the printing device when printing on winding solved media from the two roll body.
DESCRIPTION OF THE INVENTION
[0021]
　Hereinafter, an embodiment of a printing apparatus will be described with reference to the drawings. The printing apparatus of the present embodiment is a large format printer for printing on paper of long drawn out from the roll body.
[0022]
　1, the printing device 10 includes a housing 20 forming a box shape, and a housing support portion 30 which supports the housing 20. Further, as shown in FIG. 2, the printing apparatus 10, along the transport direction of the medium M, a feeding unit 40 for feeding the medium M stacked around a roll body RA, a medium supporting portion 50 for supporting the medium M, a conveying unit 60 that conveys the medium M, and includes a printing unit 70 for printing on the medium M, a winding portion 80 for winding the medium M to the roll body RB, the. Furthermore, as shown in FIGS. 1 and 2, the printing device 10, an operation unit 90 operated by the user, a control unit 100 for overall control of the device.
[0023]
　In the following description, the width direction of the printing apparatus 10 and the "width direction X", the front-rear direction of the printing apparatus 10 as "front-rear direction Y", the vertical direction of the printing apparatus 10 and the "vertical direction Z", medium the transport direction of M is referred to as "transport direction F". Here, the width direction X, the longitudinal direction Y and vertical direction Z is a direction intersecting (orthogonal) to each other, the width direction X is a direction intersecting the transport direction F (perpendicular). Also refers to one end (in FIG. 1 lower right) in the width direction X as "first end" refers to the other end (upper left end in FIG. 1) in the width direction X as the "second end".
[0024]
　As shown in FIGS. 1 and 2, the housing support portion 30 includes a first leg 31 which in the longitudinal direction Y and the longitudinal direction, the second leg of the first leg portion 31 is extended upwardly and parts 32, and a connecting shaft 33 for connecting the second leg portion 32 in the width direction X, the extended portion 34 which extends rearwardly from the second leg portion 32, a. The first leg 31 and second leg portion 32 is provided in pairs in the width direction X. The second leg 32 has an upper end portion of the opposite side is connected to the housing 20 and the lower end portion connected to the first leg 31.
[0025]
　As shown in FIGS. 1 and 2, the feeding section 40, the rear lower side of the housing 20, it is supported by the extending portion 34 of the casing supporting portion 30. As shown in FIGS. 2 and 3, the feeding unit 40 includes a guide shaft 41 that is spanned extending portion 34 in the width direction X as the longitudinal direction, rotatable roll body RA overlaid winding medium M into a cylindrical shape a holding portion 42 for holding the, and a mounting portion 43 in which the roll body RA is temporarily placed when attaching and detaching the roll body RA, the. Guide shaft 41 is provided in pairs in the longitudinal direction Y, mounting portion 43 is provided in pairs in the width direction X.
[0026]
　As shown in FIG. 3, the holding portion 42 includes a first holding portion 44 provided on the first end in the width direction X, and the second holding portion 45 provided in the second end in the width direction X, transverse direction It has an intermediate holder 46 which is detachably attached between the first holding portion 44 and the second holding portion 45, the in X. The first holding portion 44, the second holding portion 45 and the intermediate holder 46 is slidably supported by the guide shaft 41.
[0027]
　The first holding portion 44, the rotationally drives the first rotary member 441 rotatable integrally with the roll body RA by engaging the first end of the roll body RA, the first rotor 441 1 of a motor 442, and a fixing screw 443 or limit permit movement in the width direction X of the first holding portion 44 with respect to the guide shaft 41, a. The second holding portion 45, a second rotor 451 rotatable integrally with the roll body RA by engaging the second end of the roll body RA, to rotate the second rotary member 451 a second motor 452, and a fixing screw 453 or to restrict or allow movement in the width direction X of the second holding portion 45 with respect to the guide shaft 41, a.
[0028]
　In this regard, in this embodiment, the first motor 442 corresponds to an example of the "first driving unit for rotating the first rotating body of the feeding portion", the second motor 452 "of the feeding unit It corresponds to an example of the second drive unit "for rotating the second rotating body. The first motor 442 and second motor 452, the first rotating body 441 and the second rotor 451 via a reduction gear may be driven.
[0029]
　Intermediate holding unit 46, a first end a first rotary member 441 and the roll body first intermediate rotor 461 that integrally rotatable with the roll body RA by engaging the second end of the RA engaging , the second end is provided with a second rotary member 451 and the roll body a second intermediate rotor 462 that integrally rotatable with the roll body RA by engaging the first end of the RA that engages, the . The intermediate holder 46 is provided with a fixing screw 463 or to restrict or allow movement in the width direction X of the intermediate holding portion 46 with respect to the guide shaft 41.
[0030]
　The first intermediate rotor 461 and the second intermediate rotating member 462 of the intermediate holding portion 46 includes a first rotating member 441 and the second rotary member 451 of the first holding portion 44 and the second holding portion 45 Unlike, is only rotated without driving the rotation. The first intermediate rotor 461 and the second intermediate rotating member 462 is rotatable at different rotational speeds.
[0031]
　The first rotating body 441, the first intermediate rotor 461 and the second intermediate rotating member 462 of the second rotary member 451 and the intermediate holder 46 of the second holding portion 45 of the first holding portion 44 it is by fitted in the state of being inserted into an end portion of the core material (e.g., paper tube) of the roll body RA (by engaging), and rotates integrally with the roll body RA. Therefore, the first rotating body 441, the first intermediate rotor 461 and the second intermediate rotor of the second rotary member 451 and the intermediate holder 46 of the second holding portion 45 of the first holding portion 44 462, so as to taper him to go from the base to the tip, has a substantially truncated cone shape.
[0032]
　Further, in the present embodiment, since the intermediate holder 46 is detachably attached to the feeding section 40, when the feeding unit 40 is not provided with the intermediate holder 46, the first of the first holding portion 44 the second rotor 451 of the rotating body 441 and the second holding portion 45 is engaged at both ends of the roll body RA. Then, in this case, the feeding unit 40, by rotating the roll body RA, so that the feeding of one medium M that is wound superimposed on one of the roll body RA.
[0033]
　On the other hand, when providing the intermediate holder 46 to the feeding portion 40, the both ends of the first intermediate rotor 461 in the one roll of the first rotating body 441 and the intermediate holder 46 of the first holding portion 44 while engaging the second intermediate rotor 462 of the second rotary member 451 and the intermediate holder 46 of the second holding portion 45 is engaged at both ends of the other roll. Then, in this case, the feeding unit 40, by rotating one of the roll body and the other of the roll body, and thus unwinding the two media M superimposed wound on one of the roll body and the other roll .
[0034]
　In the following description refers to the roll body of the one as "the first of the roll body RA1", the other of the roll body also referred to as "the second of the roll body RA2". In addition, the medium M fed out from the first of the roll body RA1 referred to as the "first media M1", the medium M fed out from the second of the roll body RA2 also referred to as a "second medium M2".
[0035]
　As shown in FIG. 2, the medium supporting portion 50 includes a first medium support portion 51 which is formed from the lower rear side of the housing 20 to face the casing 20, so that toward the front in the interior of the housing 20 in a second medium support member 52 formed, and a third medium support portion 53 which is formed from the housing 20 to face the front lower side of the housing 20. Thus, the medium supporting portion 50 is adapted to guide toward the winding section 80 medium M fed out from the feeding unit 40, supporting the medium M. Incidentally, according to the printing method of the printing apparatus 10, when it is necessary to heat the medium M forward and backward printing, it may be incorporated a heater for heating the medium M to the inside of the medium supporting portion 50.
[0036]
　As shown in FIG. 2, the transport unit 60 includes a drive roller 61 which rotates while contacting the rear surface of the medium M, a driven roller 62 which rotates while contacting the surface of the medium M, the. Then, the transport unit 60, the drive roller 61 and the driven roller 62 in a state of being sandwiched medium M, by driving the drive roller 61, toward the medium M fed out from the feeding unit 40 in the conveying direction F transport to. In the following description, also referred to as "transport operation" to the transport unit 60 is conveyed by a predetermined amount medium M in the conveying direction F. Further, when the conveying operation is performed, the feeding of the medium M by the feeding unit 40, and the winding of the medium M by the winding section 80 are simultaneously performed.
[0037]
　As shown in FIG. 2, the printing unit 70, a discharge unit 71 for discharging ink, a carriage 72 for holding the discharge unit 71, a guide shaft 73 to the width direction X which supports the carriage 72 and the longitudinal direction, the It is provided. Then, the printing unit 70, one pass by performing while moving the carriage 72 in the width direction X which is also the longitudinal direction of the guide shaft 73, a "discharging operation" ejecting ink toward the medium M from the discharge portion 71 do the printing.
[0038]
　As shown in FIGS. 1 and 2, the winding unit 80 is supported in front of the first leg portion 31 of the casing supporting portion 30. As shown in FIGS. 2 and 3, the winding unit 80 includes a guide shaft 81 which is bridged to the first leg portion 31 in the width direction X as the longitudinal direction, the roll body RB overlaid winding medium M into a cylindrical shape the holding portion 82 for rotatably holding includes a mounting portion 83 in which the roll body RB are temporarily placed when attaching and detaching the roll body RB, the. Guide shaft 81 is provided in pairs in the longitudinal direction Y, mounting portion 83 is provided in pairs in the width direction X.
[0039]
　Holding unit 82 includes a first holding portion 84 provided on the first end in the width direction X, and the second holding portion 85 provided in the second end in the width direction X, the first holding portion in the width direction X and 84 and intermediate holder 86 which is detachably attached between the second holding portion 85, a has. The first holding portion 84, the second holding portion 85 and the intermediate holder 86 is slidably supported by the guide shaft 81.
[0040]
　The first holding portion 84, the rotationally drives the first rotary member 841 rotatable integrally with the roll body RB by engaging the first end of the roll body RB, the first rotor 841 1 of a motor 842, and a fixing screw 843 or to restrict or allow movement in the width direction X of the first holding portion 84 with respect to the guide shaft 81, a. The second holding portion 85, a second rotary member 851 of the roll body RB and integrally rotatably by engaging the second end of the roll body RB, to rotate the second rotary member 851 a second motor 852, and a fixing screw 853 or to restrict or allow movement in the width direction X of the second holding portion 85 relative to the guide shaft 81, a.
[0041]
　In this regard, in this embodiment, the first motor 842 corresponds to an example of the "first driving unit for rotating the first rotating body of the winding unit", second motor 852 is "winding a second rotary body parts corresponds to an example of the second drive unit "for rotating. The first motor 842 and second motor 852, the first rotating body 841 and the second rotor 851 via a reduction gear may be driven.
[0042]
　Intermediate holding unit 86 has a first end a first rotary member 841 and the roll body first intermediate rotor 861 the roll body RB and integrally rotatably by engaging with the second end of the RB to be engaged , the second end is provided with a second rotary member 851 and the roll body a second intermediate rotor 862 that integrally rotatable with the roll body RB by engaging the first end of the RB that engages, the . The intermediate holder 86 is provided with a fixing screw 863 or to restrict or allow movement in the width direction X of the intermediate holding portion 86 with respect to the guide shaft 81.
[0043]
　The first intermediate rotor 861 and the second intermediate rotating member 862 of the intermediate holding portion 86 includes a first rotating member 841 and the second rotary member 851 of the first holding portion 84 and the second holding portion 85 Unlike, is only rotated without driving the rotation. The first intermediate rotor 861 and the second intermediate rotating member 862 is rotatable at different rotational speeds.
[0044]
　The first rotating body 841, the first intermediate rotor 861 and the second intermediate rotating member 862 of the second rotary member 851 and the intermediate holding portion 86 of the second holding portion 85 of the first holding portion 84 it is by fitted in the state of being inserted into an end portion of the core material (e.g., paper tube) of the roll body RB (by engaging), and rotates integrally with the roll body RB. Therefore, the first rotating body 841, the first intermediate rotor 861 and the second intermediate rotor of the second rotary member 851 and the intermediate holding portion 86 of the second holding portion 85 of the first holding portion 84 862, so as to taper him to go from the base to the tip, has a substantially truncated cone shape.
[0045]
　Further, in the present embodiment, since the intermediate retaining portion 86 is detachably attached to the take-up unit 80, when the winding portion 80 is not provided with the intermediate holder 86, the first holding portion 84 second second rotating member 851 of the first rotary member 841 and the second holding portion 85 is engaged with the opposite ends of the roll body RB. Then, in this case, the winding section 80, by rotating the roll body RB, and thus winding the medium M to the roll body RB.
[0046]
　On the other hand, when providing the intermediate holder 86 to the winding unit 80, opposite ends of the first rotating member 841 and first intermediate rotor 861 of the intermediate holding portion 86 in the one roll of the first holding portion 84 while engaging the second intermediate rotor 862 of the second rotary member 851 and the intermediate holding portion 86 of the second holding portion 85 is engaged at both ends of the other roll. Then, in this case, the winding section 80, by rotating one of the roll body and the other of the roll body, and thus winding the medium M on one of the roll body and the other of the roll body.
[0047]
　In the following description refers to the roll body of the one as "the first of the roll body RB1", the other of the roll body also referred to as "the second of the roll body RB2". That is, the first roll member RB1 wound is first medium M1, the second roll member RB2 so that the second medium M2 is wound.
[0048]
　Further, as shown in FIG. 1, the winding unit 80 is provided with a tensioning mechanism 87 for imparting tension to the medium M when winding the medium M to the roll body RB. Tensioning mechanism 87 includes a first tension applying section 88 provided in the first end in the width direction X, and a second tension applying section 89 provided in the second end in the width direction X. That is, the first tension applying section 88 and the second tension applying section 89 is provided so as to be adjacent in the width direction X.
[0049]
　As shown in FIG. 3, the first tension applying section 88, a pair for supporting the first pressing part 881 which forms a cylindrical shape having a width direction X and the axial direction, the first pressing part 881 at the tip It includes a first arm member 882, a. The second tension applying section 89, the second arm member having a pair of supporting the second pressing portion 891 which forms a cylindrical shape having a width direction X and the axial direction, the second pressing part 891 at the tip It is provided with a 892, a.
[0050]
　In the present embodiment, the length in the width direction X of the first pressing part 881 and the second pressing portion 891 is equal. That is, respective lengths in the width direction X of the first pressing part 881 and the second pressing part 891 is approximately half the length of the distance comprised between the second leg portion 32 in the width direction. Further, as shown in FIGS. 2 and 3, the first arm member 882 and the second arm member 892 at its proximal end, the second leg portion 32 of the casing supporting portion 30 in the width direction X connecting shaft 33 for coupling is inserted.
[0051]
　Thus, the first tension applying section 88 and the second tension applying section 89, as a swing about the connecting shaft 33, thereby enabling the swing separately. The first tension applying section 88 and the second tension applying section 89, by connecting the first arm member 882 and the second arm member 892 on the center side in the width direction X, applying a first tension parts 88 and second tension applying section 89, as a swing about the connecting shaft 33, thereby enabling the swing integrally.
[0052]
　The first tension applying section 88 and the second tension applying section 89, when tension on the media M, because the center of gravity is located forward of the swing center due to its own weight, the coupling shaft 33 When it Taorekomo the front lower side as a swing center. Accordingly, to press the medium M in the direction in which the first tension applying section 88 and the second tension applying section 89 intersects with the width direction X and the conveyance direction F, to apply tension to the conveying direction F on the medium M. In the case of holding a first roll RB1 and the second roll member RB2 to the winding portion 80, the first tension applying section 88, the tension imparted to the medium M1 for winding the first roll RB1 , the second tension applying section 89, so that the tension on the media M2 for winding the second roll member RB2.
[0053]
　Moreover, since it is possible to impart tension to the medium M by the tensioning mechanism 87, when the conveying operation is performed, the feeding of the medium M by the feeding unit 40, by the winding section 80 and the take-up of the medium M synchronization and even without it, it is possible to convey without loosening the medium M.
[0054]
　As shown in FIGS. 1 and 2, the operation unit 90 is provided on the upper surface of the printing apparatus 10. Operation unit 90, and when performing various settings of the printing apparatus 10, in case of supporting the execution of printing to the printer 10 is operated by the user. Therefore, the operation unit 90 is, for example, it is desirable to have a like plurality of buttons and a liquid crystal display.
[0055]
　Control unit 100 is a so-called microcomputer having CPU, and a ROM and RAM. Control unit 100, for example, based on the input print job to the printing apparatus 10, by controlling the driving of each component, to perform alternately and transporting operation and the discharge operation to perform printing on the medium M .
[0056]
　Incidentally, in the present embodiment, the conveyance operation when simultaneously printing two media M1, M2, since the transport unit 60 transports similarly two media M1, M2, conveyance of the two media M1, M2 the amount is equal. Further, the conveying operation when simultaneously printing two media M1, M2, two media M1, M2 discharge portion 71 which is held in a carriage 72 which is moved across the width direction X and the two so that the ink is ejected to the medium M1, M2.
[0057]
　Furthermore, in the present embodiment, since the conveying of the medium M is continued, the outer diameter of the roll body RA held by the feeding unit 40 is reduced, the medium M when the roll body RA was rotated once feeding the amount is reduced. On the other hand, when the conveyance of the medium M is continued, the outer diameter of the roll body RB retained in the take-up unit 80 is increased, many taking-up quantity of the medium M when the roll body RB was rotated once Become. Accordingly, the control unit 100, in association with the transport of the medium M is continued, with a higher rotational speed of the first motor 442 and second motor 452 of the feeding unit 40, a take-up portion 80 1 or lowering the rotational speed of the motor 842 and the second motor 852.
[0058]
　Further, in the printing apparatus 10 of the present embodiment, when performing simultaneous printing on two media M1, M2, of the two roll body RA1, RA2, printing on one medium M fed out from one roll body while the is being performed, printing on other media M fed from the other roll body may terminate. In other words, sometimes in the middle of printing on one medium M fed out from one roll body is being performed, not performed printing for other medium M fed from the other roll. In this case, the control unit 100, when the printing on other media M has been completed, while allowing the conveyance of one medium M, it was decided to limit the transport of other media M.
[0059]
　More specifically, the control unit 100, other media M (for example, the first medium M1) when the printing is completed for engaging the end of the roll body RA to which the other medium M was wound up motor (e.g., a first motor 442) to the rotating member rotationally driven to was to stop. Furthermore, the control unit 100, it was decided to stop the motor (e.g., a first motor 842) for rotating the rotating body which engages the end of the roll body RB for winding the other media M.
[0060]
　Next, with reference to FIGS. 4 and 5, a description will be given of the operation of the printing apparatus 10 of the present embodiment.
　First, referring to FIG. 4, with to hold the one of the roll body RA the feeding portion 40, by holding one of the roll body RB to the winding portion 80, one medium fed out from one roll body RA description will be given of a case for printing on M.
[0061]
　Now, in this case, as shown in FIG. 4, in order to hold the roll body RA the feeding unit 40, in a state of detaching the intermediate holding portion 46 from the feeding unit 40, the first holding portion 44 and the second and it holds the roll body RA to the holding portion 45. That is, the first rotary member 441 of the first holding portion 44 is engaged with the first end of the roll body RA, the second rotary member 451 of the second holding portion 45 to the second end of the roll body RA engaged.
[0062]
　Further, as shown in FIG. 4, the winding unit 80 in a state in which the said winding unit 80 removed the intermediate holding portion 86, the roll body RB in the first holding portion 84 and the second holding portion 85 to be held. That is, the first rotary member 841 of the first holding portion 84 is engaged with the first end of the roll body RB, a second rotary member 851 of the second holding portion 85 to the second end of the roll body RB engaged. Incidentally, this is the roll body RB, a medium M fed out from the roll body RA held by the feeding unit 40, is assumed to be wound up is conveyed medium M by the conveying section 60.
[0063]
　Thus, the preparation for printing is ready, by performing alternately and transporting operation and the discharge operation, printing on the medium M is performed. Here, in the transport operation, the feeding unit 40, by a second rotary member 451 of the first rotating member 441 and the second holding portion 45 of the first holding portion 44 is rotated, the roll body RA torque for rotation is imparted to both ends of the roll body RA a. Therefore, the roll body RA unlikely to occur twisting of axially around the feed-out amount of the medium M from the feeding unit 40 is made uniform in the width direction X.
[0064]
　Similarly, the winding section 80, that the second rotary member 851 of the first rotating member 841 and the second holding portion 85 of the first holding portion 84 is rotated to rotate the roll body RB torque is applied to both ends of the roll body RB. Therefore, the roll body RB hardly occurs twist in the axial direction around the take-up amount of the medium M in the winding section 80 is uniform in the width direction X.
[0065]
　Therefore, in transporting the medium M fed out from the feeding unit 40, the medium M that is conveyance failure such as oblique occurs is suppressed. As a result, it is possible when performing printing on the conveyed medium M, to reduce the possibility of printing failure. Further, when winding the printing performed media M, it is possible to suppress a defect winding such winding overlapping position of the medium M in the roll body RB is positioned displaced gradually in the width direction X is generated.
[0066]
　Further, in the case shown in Figure 4, the connecting member 871, the first tension applying section 88 and the second tension applying section 89 is connected in the width direction X. Thus, the first tension applying section 88 and the second tension applying section 89 in the width direction X, to generate a uniform tension on the medium M. Thus, the first tension applying section 88 and the second tension applying section 89 as compared to when not connected in the width direction, is suppressed variations in the tension applied to the medium M in the width direction X, the take-up failure occurrence is suppressed.
[0067]
　Subsequently, referring to FIG. 5, with to hold the two roll body RA1, RA2 the feeding unit 40, by holding the two roll body RB1, RB2 to the winding unit 80, two of the roll body RA1, RA2 will be described for printing on two media M1, M2 fed from.
[0068]
　Now, in this case, in order to hold the two roll body RA1, RA2 the feeding unit 40, in a state in which the intermediate holding unit 46 is attached to the feeding section 40, the first holding portion 44 and the intermediate holder 46 a first roll member RA1 engaged, to engage the second roll RA2 to the second holding portion 45 and the intermediate holder 46. That is, the first end of the first roll RA1 engaged with the first rotating body 441 of the first holding portion 44, the first intermediate rotor 461 of the intermediate holder 46 first roll RA1 engaging the second end of the. Further, the second end of the second roll body RA2 engaged with the second rotary member 451 of the second holding portion 45, the second intermediate rotor 462 of the intermediate holding portion 46 second roll RA2 engaging the first end of the.
[0069]
　Further, the winding unit 80, while wearing the intermediate holder 86 to the winding section 80, the first roll RB1 engaged with the first holding portion 84 and the intermediate holding portion 86, the second the holding portion 85 and the intermediate holding portion 86 of the engaging second roll body RB2. That is, the first end of the first roll RB1 engaged with the first rotating body 841 of the first holding portion 84, the first to the intermediate rotating body 861 first roll of the intermediate holding portion 86 RB1 engaging the second end of the. Further, the second end of the second roll member RB2 engaged with the second rotary member 851 of the second holding portion 85, first to second intermediate rotor 862 second roll of the intermediate holding portion 86 RB2 engaging the first end of the.
[0070]
　Note that the first roll RB1 held by the take-up unit 80, a medium M1 fed from the first roll RA1 held in the feeding unit 40, which is conveyed by the conveying portion 60 medium M1 is assumed to be wound up. The second of the roll body RB2 held by the take-up unit 80, a medium M2 fed from the second roll body RA2 held in the feeding unit 40, which is conveyed by the conveying portion 60 medium shall M2 are stacked up.
[0071]
　Thus, the preparation for printing is ready, by performing alternately and transporting operation and the discharge operation, the printing on the medium M1, M2 is performed. Here, in the transport operation, the feeding unit 40, first by rotation body 441 is rotated, the torque for rotating the first roll RA1 is the first roll of the first holding portion 44 It is applied to the first end of RA1.
[0072]
　Further, since the second rotor 451 of the second holding portion 45 is rotated, torque for rotating the second roll body RA2 is applied to the second end of the second roll body RA2. Thus, the feeding section 40, feeding the first medium M1 by rotating the first roll RA1, feeding the second medium M2 by rotating the second roll body RA2.
[0073]
　Similarly, in the winding section 80, that the first rotary member 841 of the first holding portion 84 is rotated, torque for rotating the first roll RB1 is the first roll RB1 It is applied to the first end. Further, since the second rotor 851 of the second holding portion 85 is rotated, torque for rotating the second roll member RB2 is applied to the second end of the second roll member RB2. Thus, the take-up unit 80 takes up the first medium M1 by rotating the first roll member RB1, winding the second medium M2 by rotating the second roll member RB2.
[0074]
　Here, the printing device 10 to the most width direction X is longer medium M length in one of the printable medium M as "the maximum width of the medium M", in the present embodiment, the first medium M1 and a second the length in the width direction X of the medium M2 has become about half of the media M of the maximum width. Therefore, when the first roll RA1 and the second roll RA2 feeding the first medium M1 and the second medium M2, the medium of the maximum width from the roll body medium M of the maximum width was wound up as compared with the case where feeding the M, the torque for rotating the roll body RA1, RA2 becomes smaller.
[0075]
　There is also that the length in the width direction X of the roll body RA1, RA2 is short, the roll body RA1, RA2 twisting of axially around is less likely to occur in. Similarly, the first in the case where the roll body RB1 and the second roll member RB2 taking up the first medium M1 and the second medium M2 is also winding the medium M of the maximum width superimposed roll body to the maximum width as compared with the case of winding the medium M, the roll body RB1, RB2 twisting of axially around is less likely to occur in.
[0076]
　Therefore, is suppressed that the conveyance failure occurs in transferring the medium M1, M2 that feeding from the first roll RA1 and the second roll RA2 at the extended portion 40, the first roll in the winding section 80 when the body RB1 and the second roll member RB2 winds the media M1, M2, it is possible to suppress the winding failure occurs.
[0077]
　As described above, in the printer 10 of this embodiment, with increasing transport distance of the medium M, the outer diameter of the roll body RA that feeding unit 40 holds is reduced, per unit time of the medium M to maintain feeding amount, the rotational speed of the roll body RA is high. Further, the outer diameter of the roll body RB take-up unit 80 is held is large, in order to maintain the winding-up amount of the medium M per unit time, the rotational speed of the roll body RB is slow.
[0078]
　Here, the printing apparatus 10 of the present embodiment, the feeding unit 40, with varying the rotation speed of the first roll RA1 and the second roll body RA2, the winding unit 80, the first roll RB1 and the rotational speed of the second roll RB2 can be varied. Therefore, the feeding unit 40, when the first roll RA1 outer diameter of the second roll RA2 are different, (feeding amount per unit time) feeding speed corresponding to the conveying speed of the medium M1, M2 it can be. Further, the winding unit 80, when the first roll RB1 outer diameter of the second roll member RB2 are different, the medium M1, M2 winding per winding speed (unit time corresponding to the transport speed of the can be limited to an amount).
[0079]
　Incidentally, as shown in FIG. 5, the feeding unit 40, when the outside diameter of the first roll RA1 is equal to the outer diameter of the second roll RA2, the rotational speed of the first roll RA1 is first It is equal to the rotational speed of the second roll body RA2. Further, the winding unit 80, when the outside diameter of the first roll RB1 is larger than the outer diameter of the second roll RB2, the rotational speed of the first roll RB1 second roll RB2 It is slower than the rotation speed.
[0080]
　Further, the tension in the winding section 80, when the outer diameter of the first roll RB1 and the second roll member RB2 are different, to act on the medium M1, M2 in order to wind the media M1, M2 appropriately It is different. In this respect, according to the present embodiment, since the first tensioning unit 88 and the second tension applying section 89 is swingable independently, tension suitable for the outside diameter of the roll body RB1, RB2 is It is applied to the medium M1, M2. That is, as shown in FIG. 5, in accordance with the outer diameter of the first roll RB1 and the second roll member RB2, swing angle of the first tension applying section 88 and the second tension applying section 89 is changed by tension suitable for the outside diameter of the roll body RB1, RB2 is provided to the medium M.
[0081]
　Further, printing on the first medium M1 is, when it is completed before the printing on the second medium M2 is the first motor 442 and the take-up portion 80 of the first holding portion 44 of the feeding unit 40 driving the first motor 842 of the first holding portion 84 is stopped. Therefore, the first medium M1 is less likely to be transported, the first medium M1 is suppressed from being consumed independently of the printing.
[0082]
　According to the embodiment described above, it is possible to obtain the following effects.
　(1) When performing the printing on one medium M, the first motor 442 and second motor 452 of the feeding unit 40 to rotate the first rotating body 441 and the second rotator 451 in, it is possible to impart torque for rotating the roll body RA on both ends of the roll body RA. Therefore, minute to impart torque from both ends, the roll body RA unlikely to occur twisting of axially around is easily homogenized in the width direction X of the feeding amount of the medium M from the feeding unit 40. Therefore, in transporting the medium M fed out from the feeding unit 40 for holding the roll body RA, it is possible to suppress the occurrence of conveyance failure of the medium M.
[0083]
　(2) to the feeding unit 40 by attaching the intermediate holder 46, both ends of the first roll RA1 is engaged with the first rotating body 441 and the first intermediate rotating member 461, a second rotary the body 451 and the second intermediate rotating member 462 both ends of the second roll body RA2 engaged, it is possible to hold two roll body RA1, RA2 the feeding unit 40. Then, the feeding unit 40, together with the first roll RA1 feeding the first medium M1, it is possible from the second roll RA2 feeding the second medium M2.
[0084]
　Further, in the case of holding the two roll body RA1, RA2 the feeding unit 40, two of the roll body RA1, RA2 becomes the torque is applied only to one end in the width direction X. However, in case of holding the two roll body RA1, RA2, such as short length in the width direction X than for holding the one roll body RA, the torque required for rotating the roll body becomes smaller the reason, twisting of axial rotation is less likely to occur. Accordingly, therefore, while suppressing that the two media M1, M2 conveyance failure of results, it is possible to increase the printing efficiency in that it is possible to simultaneously print the two media M1, M2.
[0085]
　(3) In the case of printing on two media M1, M2, if the end timing of the printing on the first medium M1 and the second medium M2 are different, the medium M earlier printing has finished feeding and winding it was decided to stop the take. Thus, continuing printing for one of the media M of the first medium M1 and the second medium M2, when printing on other media M is completed, it is suppressed that other media M continues to be conveyed that. Therefore, the medium M that previously printed is completed is continuously conveyed, it is possible to avoid that the medium M is wasted.
[0086]
　(4) a winding unit 80, and the providing the second motor 852 to the second holding portion 85 together with the first holding portion 84 is provided a first motor 842. Therefore, in the case of performing printing on one medium M, the winding section 80, it is possible to impart torque for rotating the roll body RB across the roll body RB, axial around the roll body RB twist is less likely to occur. Therefore, it is possible to suppress the occurrence of winding defects of the medium M.
[0087]
　(5) to the winding section 80 by mounting the intermediate holding portion 86, the both ends of the first roll RB1 is engaged with the first rotating body 841 and the first intermediate rotating member 861, the second the rotary body 851 and the second intermediate rotating member 862 by the two ends of the second roll member RB2 engaged and to be able to hold two of the roll body RB1, RB2 to the winding unit 80.
[0088]
　Therefore, it is possible in the case of printing two roll body RA1, RA2 two media M1, M2 fed out, wound the two media M1, M2 into separate roll body RB1, RB2. Further, in the case the transport speed of the first medium M1 and the second medium M2 are equal, such as when the outer diameter of the first roll RB1 and the second roll member RB2 of the winding portion 80 are different, winding in isolation portion 80, it is possible to cope with a case where it is necessary to vary the rotational speed of the first roll RB1 and the second roll member RB2.
[0089]
　(6) the width direction X arranged manner by providing the first tension applying section 88 and the second tension applying section 89, to impart different tensions in the individual to the first medium M1 and the second medium M2 be able to. Therefore, the tension applied to the first medium M1 and the second medium M2, or change depending on the type of media M, and change in accordance with the outer diameter of the roll body RB1, RB2 in the winding section 80 can do.
[0090]
　(7) first order which enables connecting the first tension applying section 88 and the second tension applying section 89, when the printing apparatus 10 performs printing on one medium M is linked to the width direction X the pressing portion 881 and the second pressing part 891 that presses the medium M fed out from one roll body RA, it is possible to equalize the tension applied to one medium M in the width direction X . Therefore, it is possible to in comparison with the case where the first pressing part 881 and the second pressing part 891 for one medium M is granted separate tension hardly occurs a winding failure.
[0091]
　The above embodiment may be modified as shown below.
　- also printing on other media M of the first medium M1 and the second medium M2 is a case ended earlier, may continue the feeding and take-up for the other medium M.
[0092]
　And printing apparatus 10 may not include the winding portions 80 and tensioning mechanism 87. In this case, the printing apparatus 10, it is desirable that the print comprises a storage portion for storing media M ended (stacker).
[0093]
　· Tensioning mechanism 87 may be have only tensioning unit one in the width direction X, may have three or more tensioning portion in the width direction X. If three or more and a tension applying unit, in accordance with the width of the medium M, it is desirable to select the tensioning portion connecting.
[0094]
　· Winding section 80 may not have the intermediate holding portion 86. In this case, when the printing apparatus 10 performs printing on the two media M1, M2 is the winding unit 80 is a winding the two media M1, M2 in one roll body RB. Therefore, in this case, the type of the first medium M1 and the second medium M2 are the same, the outer diameter and the second medium M2 to the first medium M1 taken up on one of the roll body RB it is desirable that the outer diameter is equal.
[0095]
　· The intermediate holding unit 46,86 of the feeding unit 40 and the winding unit 80, the motor may be provided (driver) that drives the first intermediate rotor 461,861, the second intermediate rotor 462, 862 may be provided a motor (drive section) for driving the.
[0096]
　· First tension applying section 88 and the second tension applying section 89 may be unable connected in the width direction X. In this case, even when printing is performed for one medium M, with respect to the one medium M, the first tension applying section 88 and the second tension applying section 89 applies tension separately with Become.
[0097]
　- in the width direction X, it may be provided with one tensioning unit corresponding to the length of the sum of the first and second tension applying section 89 of the tensioning unit 88.
　· In the feeding section 40, when feeding the single roll body RA from the medium M, a torque first rotating member 441 of the feeding unit 40 is applied to the roll body RA, a second rotary member 451 on the roll body RA torque ratio of the torque applied is: may be a "1 1", may not be so. The torque ratio "1: 1" as the example does not, of the first rotating body 441 and the second rotary member 451, by generating a torque for assisting in one rotational body, the roll to the other rotary member when generating the torque required to rotate the body RA are exemplified. Here, the torque for assist, a small torque than the torque required to rotate the roll body RA when feeding the medium M. That is, the roll body RA does not rotate even if only the torque for assisting acts on the roll body RA. Further, the winding unit 80, similarly when winding the medium M into a single roll body RB, may be changed appropriately the torque ratio of the first rotary member 841 and the second rotary member 851.
[0098]
　While a-printing on one medium M fed out from one roll body is being performed, when the printing on other media M fed from the other roll body is completed, the transport unit 60 of the other be given a conveying force to the medium M, as the other media M is not fed, the feeding unit 40 may be provided with a locking mechanism for locking the rotation of one roll body.
[0099]
　- At the same time in the case of performing printing on two media M1, M2, in a case where printing on other media M is interrupted by an instruction of the conveyance failure or user (if printing is no longer carried out), of the other with limiting the transport for medium M, it may allow transport for one medium M.
[0100]
　And printing apparatus 10 is not provided with a carriage 72, provided with a discharge portion 71 fixed elongated corresponding with the entire width of the medium M, may be changed to the printing apparatus of so-called full-line type. Discharge portion 71 in this case, the printing range by nozzles arranged in parallel a plurality of unit heads are formed may also be over the entire width of the medium M, the medium M into a single long head by arranging a plurality of nozzles to span the entire width, the printing range may be over the entire width of the medium M.
[0101]
　- liquid ejecting unit 71 ejects is not limited to ink, for example, particles of a functional material may be a liquid material is dispersed or mixed in a liquid. For example, performing recording by ejecting liquid containing in the form of liquid crystal displays, EL (electroluminescence) electrode material or a color material (pixel material) used for manufacturing a display and a field emission display material dispersed or dissolved, such as configuration may be.
[0102]
　And printing apparatus 10 is not limited to a printer which performs recording by ejecting fluid such as ink, for example, laser printers, LED printers, (including sublimation printer) thermal transfer printer may be a non-impact printers, such as dot impact it may be in the impact printer, such as a printer.
[0103]
　The medium M is not limited to paper, it may be a or a plastic film or a thin plate, may be a fabric for use in such printing apparatus.
DESCRIPTION OF SYMBOLS
[0104]
　10 ... printing apparatus, 20 ... housing, 30 ... housing support portion, 31 ... first leg, 32: second leg portion, 33 ... connecting shaft, 34 ... extending portion, 40 ... feeding unit, 41 ... guide shaft, 42 ... holding portion, 43 ... mounting portion, 44 ... first holding portion, 441 ... first rotary member, 442 ... first motor, 443 ... fixing screw, 45 ... second holding portion , 451 ... second rotary member, 452 ... second motor, 453 ... fixing screw, 46 ... intermediate holding unit, 461 ... first intermediate rotor, 462 ... second intermediate rotor, 463 ... fixing screw, 50 ... medium support portion, 51 ... first medium support portion, 52 ... second medium support member, 53 ... third medium support portion, 60 ... transport unit, 61 ... driving roller, 62 ... driven roller, 70 ... printing unit, 71 ... discharge unit, 72 ... carriage, 73 ... guide shaft, 80 ... winding part, 81 ... guide shaft, 82 ... holding , 83 ... mounting portion, 84 ... first holding portion, 841 ... first rotary member, 842 ... first motor, 843 ... fixing screw, 85 ... second holding portion, 851 ... second rotary member , 852 ... second motor, 853 ... fixing screw, 86 ... intermediate holding unit, 861 ... first intermediate rotor, 862 ... second intermediate rotor, 863 ... fixing screw, 87 ... tension applying mechanism 871 ... connected member, 88 ... first tension applying section, 881 ... first pressing portion, 882 ... first arm member, 89 ... second tension applying section, 891 ... second pressing portion, 892 ... second arms members, 90 ... operation unit, 100 ... control unit, F ... conveying direction, M ... medium, X ... width direction, Y ... front-rear direction, Z ... vertically, M1 ... first medium, M2 ... second medium, RA ... roll body, RB ... roll, RA1 ... first roll, RA2 ... second roll, R 1 ... the first of the roll body, RB2 ... the second of the roll body.

claims

[Claim 1]A printing apparatus for printing on the medium fed out of the roll body wound up the medium into a cylindrical shape,
　and a feeding unit which rotatably holds a roll body, feeding the medium by rotating the roll ,
　a conveying unit that conveys the medium fed from the feeding unit,
　and a printing unit for printing on the medium conveyed by the conveying unit,
　the feeding unit is engaged with the first end of the roll body a first rotating body integral rotatable with the roll body by engagement, the first drive unit a first rotary member rotatably driven, the roll by engaging the second end of the roll body a second rotor which can rotate integrally with the body, has a second drive unit for rotationally driving the second rotating body, the
　printing apparatus characterized by.
[Claim 2]
　Rotatably holding the roll body, further comprising a winding section for winding the medium is performed printing by the printing unit by rotating the roll body,
　the winding portion, the first end of the roll body in a first rotating body integral rotatable with the roll body by engaging a first driving unit for rotationally driving the first rotating member to engage the second end of the roll body be in a second rotary member integral rotatable with the roll body, and a second driving unit for rotationally driving the second rotating body, a
　printing apparatus according to claim 1, characterized in that.
[Claim 3]
　When the first rotating body and the second direction rotating body face of the feeding unit and the width direction,
　the feeding unit, the roll body first end to the first rotor and the engagement of said feeding unit a first intermediate rotor integral rotatable with the roll body by engaging the second end, engaging the first end of the roll body in which the second end is engaged with the second rotating body of the feeding unit a second intermediate rotor integral rotatable with the roll body by engagement, has a middle which is mounted between the first rotary body and the second rotating body of the feeding portion in the width direction further comprising a holding portion
　printing apparatus according to claim 1 or claim 2, characterized in that.
[Claim 4]
　The winding unit includes a first rotating body that engage the roll body integrally rotatable first intermediate rotor by engaging the second end of the roll of the first end is the winding section When, a second intermediate rotor integral rotatable with the roll body by engaging the first end of the roll body in which the second end is engaged with the second rotating body of the winding unit, Yu and has an intermediate holding portion which is mounted between the first rotary body and the second rotating body of the winding unit
　printing apparatus according to claim 2, characterized in that.
[Claim 5]
　Wherein said medium first rotating body and ends on the first intermediate rotating member is drawn out from the roll body for engaging the feeding unit and the first medium, the rotating body and the second second of said feeding unit when the medium fed out across the intermediate rotating body from the roll body to engage the second medium,
　one of the first medium and the second medium, the printing for one of the media is being carried out If the printing on other media is no longer performed during limits the conveyance of the other medium while permitting the conveyance of the one medium
　printing apparatus according to claim 3, characterized in that .
[Claim 6]
　Wherein said medium first rotating body and ends on the first intermediate rotating member is drawn out from the roll body for engaging the feeding unit and the first medium, the rotating body and the second second of said feeding unit when the medium across the intermediate rotating body is fed from the roll body to be engaged with the second medium,
　the first medium in a direction intersecting the transport direction and both of the width direction of the first medium a first tension applying section by pressing capable imparting tension to said first medium, presses the second medium in a direction intersecting the transport direction and both of the width direction of the second medium comprising further, a second tension applying section capable applies tension to said second medium by
　the printing device according to claim 3 or claim 5, characterized in that.
[Claim 7]
　The first tension applying portion and the second tension applying section may be connected in the width direction
　printing apparatus according to claim 6, characterized in that.