JP2007118440A - Recording device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the accuracy of conveying during entering and discharging when a cardboard is conveyed and a CD-R tray is conveyed (1), to widen printable ranges of the tip and the back end to the cardboard, to realize a borderless printing (2), and to make the CD-R tray and an apparatus body compact (3). <P>SOLUTION: When the cardboard is conveyed and the CD-R tray is conveyed, before the tip enters, the pressure of a paper discharging roller is released. Before the back end is discharged, the pressure of an LF-roller is released. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a recording medium conveyance device of a recording device such as a printer.

  The cardboard conveyance of the conventional recording medium conveyance device will be described with reference to FIGS. Reference numeral 1 denotes a recording head that performs recording by selectively ejecting ink from a plurality of ejection openings 1A. The recording head 1 is positioned and held by a carriage (not shown) and reciprocates in a direction perpendicular to the recording medium conveyance direction. To print. Reference numeral 2 denotes a platen that is provided to face the recording head 1 and holds a recording medium by a printing unit.

  On the print upstream side of the recording head 1, there are provided a first roller 3 and a driven roller 4 that pressurizes the first conveying roller 3 with an elastic member (not shown) against the first conveying roller 3 and rotates the driven roller 3. It has been. On the downstream side of the printing of the recording head 1, the second transport roller 5 and a second roller (or a spur) that is driven and rotated by pressing the second transport roller 5 with an elastic member (not shown) against the second transport roller 5. ) 6 is provided. 7 is a cardboard recording medium, which has high rigidity and is transported in a horizontal transport path.

  Next, conveyance and printing operations of the thick paper recording medium 7 will be described. The recording medium 7 is conveyed in the direction of arrow A as shown in FIG. 31 by the first conveying roller 3 and the driven roller 4 from the upstream side of the recording head 1. Next, when the recording medium 7 is conveyed to the discharge port 1 </ b> A portion of the recording head 1, printing is performed on the recording medium 7 from the discharge port 1 </ b> A of the recording head 1. Further, when the recording medium 7 is conveyed in the direction of arrow A and the leading end 7A of the recording medium 7 enters the nip portion of the second conveying roller 5 and the driven roller (or spur) 6, as shown in FIG. Conveyance is performed while the driven roller (or spur) 6 is moved in the direction of arrow B at the tip 7A of the medium 7. Next, the recording medium 7 is conveyed in the direction of arrow A by the first conveying roller 3 and the driven roller 4, the second conveying roller 5 and the driven roller (or spur) 6, and a printing operation is performed. When the trailing end 7B of the recording medium 7 passes through the first conveyance roller 3 and the driven roller 4, the conveyance is performed while the driven roller 4 returns in the direction of arrow C as shown in FIG.

  Next, the conveyance configuration of the recording medium conveyance tray 9 on which the recording medium 8 such as a CD-R, DVD, card or the like (hereinafter collectively referred to as a compact disk CD) is mounted will be described with reference to FIGS. . About the structure of 1-6, since it is the same as the structure of said conventional example, description is abbreviate | omitted. As shown in FIG. 34, a recording medium conveyance tray 9 is stored inside the apparatus main body 10 on the upstream side of printing with respect to the first conveyance roller 3 and the driven roller 4. Reference numeral 11 denotes a storage table that holds the recording medium conveyance tray 9 when the recording medium conveyance tray 9 is stored. Next, the printing operation will be described. When the print information is given, the recording medium transport tray 9 is transported in the direction of arrow D by a transport means (not shown) and transported to the first transport roller 3 and the driven roller 4 as shown in FIG. In synchronization with this, the driven roller (or spur) 6 of the second transport roller 5 is moved in the direction of arrow E by a pressure release means (not shown) to release the pressure. Next, as shown in FIG. 35, the recording medium conveyance tray 9 is conveyed in the direction of arrow A by the first conveyance roller 3 and the driven roller 4. Further, as shown in FIG. 36, the recording medium transport tray 9 is transported in the direction of arrow A, passes through the second transport roller 5, and is configured on the recording medium transport tray 9 to open and position the CD 8 9C is exposed to the outside of the apparatus main body, and is transported to a position where the user can mount the CD 8 in the opening 9C (mount in the direction of arrow F) and stop. When the CD 8 is mounted in the opening 9C, the first conveyance roller 3 and the second conveyance roller 5 are reversed (in the direction of arrow H) to convey the recording medium conveyance tray 9 in the direction of arrow G, and the apparatus body 10 I will draw it into the inside. The recording medium transport tray 9 transported in the arrow G direction is transported to the position shown in FIG. 37 and stops. Next, as shown in FIG. 38, the first conveyance roller 3 and the second conveyance roller 5 are reversed (in the direction of arrow I) to convey the recording medium conveyance tray 9 in the direction of arrow A. At this time, the CD 8 is positioned and held in the opening 9C of the recording medium conveyance tray 9 and is conveyed in the direction of arrow A while performing a printing operation from the discharge port 1A of the recording head 1. Next, as shown in FIG. 39, the printing is completed, and the user moves in the direction of arrow A to a position where the user can exchange the CD 8, and stops. In this state, the CD 8 is taken out in the direction of arrow J, and printing on the CD 8 ends. Next, the first transport roller 3 and the second transport roller 5 are reversed (in the direction of arrow H) to transport the recording medium transport tray 9 in the direction of arrow G and pulled into the apparatus main body 10, as shown in FIG. Returning to the initial state in which the recording medium transport tray 9 is stored, the printing operation ends.

In addition, Patent Documents 1 to 4 can be cited as other conventional examples.
Japanese Patent Application Laid-Open No. 2004-216582 JP 2004-217327 A JP 2004-216328 A JP 2004-209948 A

  However, the above conventional example has the following problems.

  First, problems in transporting the thick paper recording medium 7 will be described. As shown in FIG. 32, when the recording medium 7 is conveyed in the direction of arrow A and the leading end 7A of the recording medium 7 enters the nip portion between the second conveying roller 5 and the driven roller (or spur) 6, the recording medium 7 At the front end portion 7A, the driven roller (or spur) 6 is moved in the direction of arrow B, and is conveyed. At this time, the conveyance resistance in the direction of arrow A of the recording medium 7 increases momentarily, and the conveyance accuracy of the recording medium 7 varies due to the influence of minute wrinkles and backlash of the drive system, and the conveyance resistance increases. As a result, a minute slip occurs at the nip portion between the first conveying roller 3 and the driven roller 4, and the phenomenon that the conveying accuracy becomes non-uniform occurs. Due to the deterioration of the conveyance accuracy, there is a problem that a printed image is drowned and unevenness in the conveyance direction (horizontal streaks, uneven conveyance, etc.) occurs. Similarly, when the trailing end 7B of the recording medium 7 passes through the first conveyance roller 3 and the driven roller 4, the conveyance is performed while the driven roller 4 returns in the arrow C direction as shown in FIG. At this time, since the conveying force of the first conveying roller 3 is transmitted through the edge portion of the rear end 7B of the recording medium 7, the conveyance becomes unstable, the conveyance accuracy varies slightly, or the driven roller 4 Due to the return force in the C direction, the rear end 7B is pushed by the driven roller 4 and the rear end 7B is momentarily pushed in the direction of the arrow A. This causes a problem that the conveyance accuracy is disturbed. . Due to the deterioration of the conveyance accuracy, there is a problem that a printed image is drowned and unevenness in the conveyance direction (horizontal streaks, uneven conveyance, etc.) occurs. In addition, with respect to these problems, the printing range of the leading edge and the trailing edge is narrowed when transporting thick paper so that the recording medium 7 does not come off the nip portion of the first transport roller 3 and the second transport roller 5. Measures were used to prevent the above problems from occurring at the front end 7A and rear end 7B. However, there remains a problem that the printing range for thick paper becomes narrow and it cannot respond to borderless printing of thick paper.

  Next, the problem about the conveyance structure of the recording medium conveyance tray 9 on which the recording medium (CD) 8 such as a CD-R, DVD, or card is mounted will be described.

  In the printing operation, a series of operations are performed in a state where the driven roller (or spur) 6 of the second transport roller 5 is moved in the direction of arrow E by a pressure release means (not shown).

  Further, as shown in FIGS. 34 to 39, in the case where the recording medium transport tray 9 is stored inside the apparatus main body 10 on the upstream side of printing, in order to satisfy the above-described series of operations. The recording medium transport tray 9 becomes longer in the transport direction, and since the recording medium transport tray 9 is stored in the apparatus main body 10, the depth of the apparatus main body 10 on the upstream side of printing becomes very large, which is an obstacle to downsizing the apparatus. There was a problem of becoming. In addition, there is a problem that the cost increases due to the increase in size of the apparatus.

  In order to achieve the above object, the first invention according to the present application performs positioning and holding of a recording medium, and recording medium transport tray for recording an image by mounting the recording medium or transporting a recording medium of cardboard The first transport for transporting the recording medium transport tray or the recording medium by pressurizing the driven rotating body on the upstream side of the recording head for printing on the recording medium. In a recording apparatus having a roller pair and a second conveying roller pair that conveys the recording medium conveying tray or the recording medium by applying pressure to a driven rotating body on the downstream side of printing of the recording head. The printing operation of the leading end portion is performed by the conveyance of the first conveyance roller pair. Next, before the leading end of the recording medium conveying tray or the recording medium is conveyed to the nip of the second conveying roller pair, the pressure of the driven rotating body of the second conveying roller pair is released, and the recording medium conveying After the front end of the tray or the recording medium passes through the nip of the second transport roller pair, the second transport roller is again pressed from the driven rotating body. Next, a printing operation is performed from the recording head by the conveyance of the first and second conveyance roller pairs. Next, before the trailing end of the recording medium transport tray or the recording medium passes through the nip of the first transport roller pair, the pressure of the driven rotating body of the first transport roller is released, and the recording medium transport tray Alternatively, after the rear end of the recording medium passes through the nip of the first conveying roller, the recording medium conveying tray or the recording medium is conveyed by the second conveying roller pair. In addition, it is possible to prevent deterioration of the conveyance accuracy at the time of entry into the pair of conveyance rollers at the leading end and the trailing end during conveyance of thick paper, and to perform stable printing without unevenness. In addition, this configuration widens the printable range for leading and trailing edge printing on thick paper, and enables the borderless printing of thick paper.

  Also, when a recording medium transport tray mounted with a recording medium such as a CD-R, DVD, or card is transported, particularly in the case where the recording medium transport tray is stored inside the apparatus main body on the upstream side of printing, the recording medium It is possible to reduce the length of the transport tray, thereby making it possible to greatly reduce the depth of the apparatus main body on the upstream side of printing, thereby realizing a compact and low-cost apparatus main body.

  According to a second aspect of the present application, the recording medium transport tray or the cardboard recording medium is supplied from the front surface of the apparatus main body and transported from the second transport roller pair to the first transport roller pair. The rotation direction of the first conveying roller pair is reversed before passing through the nip of the first conveying roller pair, and the subsequent printing operation is performed with the configuration shown in the first invention, and the first invention is realized. This is a specific configuration.

  According to a third aspect of the present application, the recording medium transport tray or the cardboard recording medium is supplied from the back surface of the apparatus main body, and the leading end of the recording medium transport tray or the recording medium is a first transport roller. This is a specific configuration for realizing the first invention, which is transported in pairs and the subsequent printing operation is performed with the configuration shown in the first invention.

  According to a fourth aspect of the present application, when the recording medium transport tray that positions and holds the recording medium and mounts the recording medium to perform image recording is not in use, the upstream portion of the print upstream of the first transport roller pair is used. The printing medium is stored in the apparatus main body, and at the time of printing operation, the leading end of the recording medium conveyance tray is supplied to the first conveyance roller unit, and the subsequent printing operation is performed with the configuration shown in the first invention. This is a specific configuration for realizing the above.

  According to a fifth aspect of the present application, in the configuration of the driven rotating body of the second conveying roller of the recording medium conveying tray that positions and holds the recording medium and mounts the recording medium to perform image recording, the recording medium conveying tray is provided. A driven rotating body at a portion in contact with the upper recording medium, and a driven rotating body that is outside the recording medium conveying portion on the recording medium conveying tray and presses only the recording medium conveying tray. In the printing operation of the recording medium on the recording medium transport tray, the driven rotating body that is in contact with the recording medium is held in a released state, and the operation of the driven rotating body that is in contact with only the recording medium transport tray is This is performed by the configuration shown in the first invention, and is a specific configuration for realizing the first invention.

  According to a sixth aspect of the present application, in the fifth aspect, the driven rotating body of the second conveyance roller that is in contact with only the recording medium conveyance tray is located outside the normal print conveyance portion of the recording medium (maximum recording medium). The driven rotating body of the second conveyance roller that is configured to be outside the size and abuts only on the recording medium conveyance tray has a configuration that does not abut on a normal recording medium, and realizes the fifth invention. This is a specific configuration.

  According to a seventh aspect of the present application, in the first aspect, the driven rotating body of the second transport roller is configured by a spur roller, and is a specific configuration for realizing the first aspect.

  According to an eighth aspect of the present application, in the sixth aspect of the invention, the driven rotating body of the portion in contact with the recording medium on the recording medium conveyance tray is configured by a spur roller, and the sixth aspect of the invention is realized. This is a specific configuration.

  As described above, according to the first invention of the present application, the recording medium is positioned and held, and the recording medium carrying tray for mounting the recording medium to perform image recording or the conveyance of the cardboard recording medium is carried out. The first transport for transporting the recording medium transport tray or the recording medium by pressurizing the driven rotating body on the upstream side of the recording head for printing on the recording medium. In a recording apparatus having a roller pair and a second conveying roller pair that conveys the recording medium conveying tray or the recording medium by applying pressure to a driven rotating body on the downstream side of printing of the recording head. The printing operation of the leading end portion is performed by the conveyance of the first conveyance roller pair. Next, before the leading end of the recording medium conveying tray or the recording medium is conveyed to the nip of the second conveying roller pair, the pressure of the driven rotating body of the second conveying roller pair is released, and the recording medium conveying After the front end of the tray or the recording medium passes through the nip of the second transport roller pair, the second transport roller is again pressed from the driven rotating body. Next, a printing operation is performed from the recording head by the conveyance of the first and second conveyance roller pairs. Next, before the trailing end of the recording medium transport tray or the recording medium passes through the nip of the first transport roller pair, the pressure of the driven rotating body of the first transport roller is released, and the recording medium transport tray Alternatively, after the rear end of the recording medium passes through the nip of the first conveying roller, the recording medium conveying tray or the recording medium is conveyed by the second conveying roller pair. In addition, it is possible to prevent deterioration of the conveyance accuracy at the time of entry into the pair of conveyance rollers at the leading end and the trailing end during conveyance of thick paper, and to perform stable printing without unevenness. In addition, this configuration widens the printable range for leading and trailing edge printing on thick paper and enables borderless printing.

  Also, when transporting a recording medium transport tray loaded with a recording medium such as a CD-R, DVD or card, especially when the recording medium transport tray is stored inside the apparatus main body on the upstream side of printing It is possible to reduce the length of the medium transport tray, thereby making it possible to significantly reduce the depth of the apparatus main body on the upstream side of printing, thereby realizing a compact and low-cost apparatus main body.

  According to the second invention of the present application, the recording medium transport tray or the thick paper recording medium is supplied from the front surface portion of the apparatus main body and transported from the second transport roller pair to the first transport roller pair. And the rotation direction of the first conveying roller pair is reversed before passing through the nip of the first conveying roller pair, and the subsequent printing operation is performed with the configuration shown in the first invention. This is a specific configuration for realizing the above.

  According to the third aspect of the present application, the recording medium transport tray or the cardboard recording medium is supplied from the back surface of the apparatus main body, and the leading end of the recording medium transport tray or the recording medium is the first. This is a specific configuration for realizing the first invention, in which it is transported to a pair of transport rollers and the subsequent printing operation is performed with the configuration shown in the first invention.

  According to the fourth invention of the present application, when the recording medium transport tray that positions and holds the recording medium and mounts the recording medium to record an image is not in use, the upstream side of the printing is more upstream than the first transport roller pair. The front end of the recording medium transport tray is supplied to the first transport roller unit during the printing operation, and the subsequent printing operation is performed with the configuration shown in the first invention. This is a specific configuration for realizing the present invention.

  According to the fifth aspect of the present application, in the configuration of the driven rotating body of the second transport roller of the recording medium transport tray that positions and holds the recording medium and mounts the recording medium to record an image, the recording medium A configuration in which a driven rotator that is in contact with the recording medium on the conveyance tray and a driven rotator that is outside the recording medium conveyance portion on the recording medium conveyance tray and independently contacts the recording medium conveyance tray are independently pressurized. In the printing operation of the recording medium on the recording medium transport tray, the driven rotating body that comes into contact with the recording medium is held in a released state, and the operation of the driven rotating body that comes into contact with only the recording medium transport tray is This is performed by the configuration shown in the first invention, and is a specific configuration for realizing the first invention.

  According to a sixth aspect of the present application, in the fifth aspect, the driven rotating body of the second conveying roller that is in contact with only the recording medium conveying tray is located outside the normal printing conveying portion of the recording medium (the recording medium The driven rotor of the second transport roller that is configured to be outside the maximum size and that contacts only the recording medium transport tray has a configuration that does not contact the normal recording medium, thereby realizing the fifth aspect of the invention. This is a specific configuration.

  According to the seventh invention of the present application, in the first invention, the driven rotating body of the second transport roller is configured by a spur roller, which is a specific configuration for realizing the first invention.

  According to an eighth aspect of the present application, in the sixth aspect, the driven rotating body of the portion in contact with the recording medium on the recording medium conveyance tray is configured by a spur roller. This is a specific configuration for realizing.

  Next, details of the present invention will be described in accordance with the description of the embodiments.

(First embodiment)
The cardboard transport (horizontal transport) of the recording medium transport apparatus according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 5 are cross-sectional views of the main body showing the first embodiment, and FIG. 6 is a perspective view showing the conveying structure.

  Reference numeral 1 denotes a recording head that performs recording by selectively ejecting ink from a plurality of ejection openings 1A. The recording head 1 is positioned and held by a carriage (not shown) and is perpendicular to the conveyance direction of the recording medium (arrow K direction). Moves back and forth and prints on the recording medium. Reference numeral 2 denotes a platen that is provided to face the recording head 1 and holds a recording medium by a printing unit.

  On the print upstream side of the recording head 1, there are provided a first roller 3 and a driven roller 4 that pressurizes the first conveying roller 3 with an elastic member (not shown) against the first conveying roller 3 and rotates the driven roller 3. It has been. On the downstream side of the printing of the recording head 1, the second transport roller 5 and a second roller (or a spur) that is driven and rotated by pressing the second transport roller 5 with an elastic member (not shown) against the second transport roller 5. ) 6 is provided. 7 is a cardboard recording medium, which has high rigidity and is transported in a horizontal transport path. In addition to the horizontal conveyance path, the apparatus main body 10 is provided with automatic paper feeding means for printing ordinary plain paper. A paper feed roller 15 is fed in the direction of arrow L by paper guides 15 and 16.

  Next, conveyance and printing operations of the thick paper recording medium 7 will be described. As shown in FIG. 1, the recording medium 7 is supplied from the downstream side of the recording head 1 to the second conveying roller 5 and the driven roller (or spur) 6 in the direction of arrow G. When the detection unit (not shown) detects the setting of the recording medium 7, the second conveying roller 5 and the driven roller (or spur) 6 rotate in the direction of arrow H, and the recording medium 7 is drawn into the apparatus main body 10. . The leading end 7A of the recording medium 7 passes through the second conveying roller 5 and is further conveyed in the direction of arrow G, and the trailing end 7B is guided and conveyed by the paper guide 17, and as shown in FIG. The part 7A stops before it passes through the first conveying roller 3. Next, the first conveyance roller 3 and the second conveyance roller 5 are reversed (in the direction of arrow I), and the recording medium 7 is conveyed in the direction of arrow A. Next, as shown in FIG. 3, when the recording medium 7 is conveyed to the discharge port 1 </ b> A portion of the recording head 1, printing is performed on the recording medium 7 from the discharge port 1 </ b> A of the recording head 1. Further, the recording medium 7 is conveyed in the direction of arrow A, and the pressure release means (not shown) is placed before the leading end 7A of the recording medium 7 enters the nip portion between the second conveying roller 5 and the driven roller (or spur) 6. Thus, the pressure of the driven roller (or spur) of the second transport roller 5 is released in the direction of arrow E. In this state, the recording medium 7 is further conveyed in the arrow A direction. As shown in FIGS. 4 and 6, when the tip 7A of the recording medium 7 adds the nip of the second conveying roller 5, the pressure release state of the pressure release means (not shown) is restored to the original state, and the driven roller (or (Spur) 6 is moved in the direction of arrow M to bring it into a pressurized state. Thereafter, the recording medium 7 is conveyed in the direction of arrow A by both the first conveyance roller 3 and the second conveyance roller 5. Next, as shown in FIG. 5, before the trailing end 7B of the recording medium 7 passes through the nip between the first conveying roller 3 and the driven roller 4, the driven roller 4 is moved to the arrow N by a pressure release means (not shown). Release pressure in the direction. In this state, the second conveying roller 5 conveys the recording medium 7 in the direction of arrow A, and the remaining printing operation and discharging operation are performed. At the time of discharge, the paper is guided by the paper discharge guides 13 and 14 and is discharged out of the apparatus main body 10.

  As described above, in this configuration, the problem of image degradation due to accuracy degradation occurring at the nip between the leading edge 7A and the trailing edge 7B of the recording medium 7 and the conveying roller, which is a problem of the conventional example, is solved. By having a structure that releases the pressure of the driven roller when it passes through the nip of 7B, it prevents the deterioration of the conveyance accuracy that occurred in the conventional example, enables high-precision conveyance even for cardboard printing, and enables high-quality printing. Become. Further, with the above configuration, it is possible to cope with borderless printing at the front end 7A and the rear end 7B of the recording medium 7, and it is possible to realize complete borderless printing on thick paper.

(Second embodiment)
A second embodiment will be described with reference to FIG. In the first embodiment, the configuration in which the recording medium 7 is supplied to the apparatus main body from the front surface of the main body has been described. However, the same effect can be obtained by a configuration in which the recording medium 7 is supplied from the rear surface of the main body. As shown in FIG. 7, when the recording medium 7 is inserted in the direction of arrow A from the back of the main body and the set of the recording medium 7 is detected by a detection means (not shown), the first transport roller 3 and the driven roller 4 are moved to the arrow. Rotating in the I direction, the recording medium 7 is drawn into the apparatus main body 10 and pulled to the position shown in FIG. Since the subsequent operation is the same as that of the first embodiment, description thereof is omitted.

(Third embodiment)
A third embodiment will be described with reference to FIG. In the first embodiment, the configuration in which a roller is used as the driven rotating body of the second conveying roller 5 has been described. However, a spur shape having a tooth tip at the tip as shown in FIG. , 12 is a spur and is made of metal or resin. Since other configurations are the same as those of the first embodiment, the description thereof is omitted.

(Fourth embodiment)
A fourth embodiment will be described with reference to FIGS. 9 to 14 are cross-sectional views of the main body showing the fourth embodiment, and FIG. 15 is a perspective view showing the conveying state.

  In the fourth embodiment, a description will be given of a transport configuration of a recording medium transport tray 9 on which a recording medium (CD) 8 such as a CD-R, DVD, or card is mounted from the front side of the apparatus main body. As shown in FIG. 9, the recording medium transport tray 9 is inserted from the front side of the apparatus main body 10. A CD 8 is set from the direction of arrow F in a positioning opening 9 C provided in the recording medium transport tray 9. When the detection unit (not shown) detects the setting of the recording medium conveyance tray 9, the second conveyance roller 5 and the driven roller (or spur) 6 rotate in the direction of arrow H, and the recording medium conveyance tray 9 is moved inside the apparatus main body 10. I will draw in. The leading end 9A of the recording medium conveying tray 9 passes through the second conveying roller 5 and is further conveyed in the direction of arrow G, and the trailing end 9B is guided by the paper guide 17 and conveyed, as shown in FIG. Then, the front end portion 9A stops before passing through the first conveying roller 3. Next, the first conveyance roller 3 and the second conveyance roller 5 are reversed (in the direction of arrow I), and the recording medium conveyance tray 9 is conveyed in the direction of arrow A. Next, as shown in FIG. 11, when the CD 8 on the recording medium transport tray 9 is transported to the discharge port 1 </ b> A of the recording head 1, printing is performed on the CD 8 from the discharge port 1 </ b> A of the recording head 1. . Further, the recording medium transport tray 9 is transported in the direction of arrow A, and the leading end 9A of the recording medium transport tray 9 is not shown before entering the nip portion between the second transport roller 5 and the driven roller (or spur) 6. This pressure release means releases the pressure of the driven roller (or spur) 6 of the second transport roller 5 in the direction of arrow E. In this state, the recording medium transport tray 9 is further transported in the arrow A direction. As shown in FIG. 12, when the tip 9A portion of the recording medium transport tray 9 adds the nip of the second transport roller 5, the pressure release state of the pressure release means (not shown) is restored to the original state, and the driven roller (or spur) ) 6 is moved in the direction of arrow M to bring it into a pressurized state. Thereafter, the recording medium transport tray 9 is transported in the direction of arrow A by both the first transport roller 3 and the second transport roller 5. Next, as shown in FIG. 13, before the trailing end 9B of the recording medium conveyance tray 9 passes through the nip between the first conveyance roller 3 and the driven roller 4, the driven roller 4 is moved by the pressure release means (not shown). Release pressure in the direction of arrow N. Next, as shown in FIG. 14, in this state, the recording medium transport tray 9 is transported in the direction of arrow A from the second transport roller 5, and the remaining printing operation and discharging operation are performed. At the time of discharge, the paper is guided by the paper discharge guides 13 and 14 and is discharged out of the apparatus main body 10. When the recording medium transport tray 9 is ejected, the printed CD 8 is taken out in the direction of arrow J, and printing is completed. As described above, in this configuration, the problem of image degradation due to deterioration in accuracy occurring at the nip between the front end 9A and the rear end 9B of the recording medium transport tray 9 and the transport roller, which is a problem of the conventional example, is solved. By having a configuration in which the pressure of the driven roller is released when passing through the nip of the rear end 9B, the deterioration of the conveyance accuracy, which has occurred in the conventional example, is prevented, and printing of the recording medium (CD) 8 using the recording medium conveyance tray 9 is performed. Can be transported with high accuracy, and high-quality printing is possible. Further, with the above configuration, the length of the recording medium transport tray 9 can be shortened, and the recording medium transport tray 9 and the apparatus main body 10 can be made compact and the cost can be reduced.

(Fifth embodiment)
A fifth embodiment will be described with reference to FIG. In the fourth embodiment, the configuration in which the recording medium transport tray 9 is supplied to the apparatus main body from the front surface of the main body has been described. However, the same effect can be obtained by a configuration in which the recording medium transport tray 9 is supplied from the rear surface of the main body. As shown in FIG. 16, when the recording medium transport tray 9 is inserted in the direction of arrow A from the back of the main body and the detection unit (not shown) detects the setting of the recording medium transport tray 9, the first transport roller 3 and the driven The roller 4 rotates in the direction of arrow I, and the recording medium transport tray 9 is pulled into the apparatus main body 10 and pulled to the position shown in FIG. Since the subsequent operation is the same as that of the fourth embodiment, the description thereof is omitted.

(Sixth embodiment)
A sixth embodiment will be described with reference to FIGS. 17 to 24 are cross-sectional views of the main body showing the sixth embodiment, and FIG. 25 is a perspective view showing the conveying structure.

  In the fourth embodiment, the configuration in which the recording medium transport tray 9 is supplied from the outside of the apparatus main body 10 has been described. However, the same effect can be obtained by a configuration in which the recording medium transport tray 9 is stored inside the apparatus main body 10. .

  As shown in FIG. 17, a recording medium conveyance tray 9 is stored inside the apparatus main body 10 on the upstream side of printing with respect to the first conveyance roller 3 and the driven roller 4. Reference numeral 11 denotes a storage table that holds the recording medium conveyance tray 9 when the recording medium conveyance tray 9 is stored. Next, the printing operation will be described. When the print information is given, the recording medium transport tray 9 is transported in the direction of arrow D by a transport means (not shown) and transported to the first transport roller 3 and the driven roller 4 as shown in FIG. Next, as shown in FIG. 18, the recording medium transport tray 9 is transported in the direction of arrow A by the first transport roller 3 and the driven roller 4. Further, as shown in FIG. 19, the recording medium transport tray 9 is transported in the direction of arrow A, passes through the second transport roller 5, and is configured on the recording medium transport tray 9 to open and position the CD 8 9C is exposed to the outside of the apparatus main body, and is transported to a position where the user can mount the CD 8 in the opening 9C (mount in the direction of arrow F) and stop. When the CD 8 is mounted in the opening 9C, the first conveyance roller 3 and the second conveyance roller 5 are reversed (in the direction of arrow H) to convey the recording medium conveyance tray 9 in the direction of arrow G, and the apparatus body 10 I will draw it into the inside. As shown in FIG. 20, the recording medium transport tray 9 transported in the direction of the arrow G is transported to the front of the nip portion of the first transport roller 3 and stopped. Next, as shown in FIG. 21, the first conveyance roller 3 and the second conveyance roller 5 are reversed (in the direction of arrow I) to convey the recording medium conveyance tray 9 in the direction of arrow A. At this time, the CD 8 is positioned and held in the opening 9C of the recording medium conveyance tray 9 and is conveyed in the direction of arrow A while performing a printing operation from the discharge port 1A of the recording head 1. The recording medium transport tray 9 is transported in the direction of arrow A, and the front end 9A of the recording medium transport tray 9 enters a pressure (not shown) before entering the nip portion between the second transport roller 5 and the driven roller (or spur) 6. The releasing means moves the driven roller (or spur) 6 of the second transport roller 5 in the direction of arrow E to release the pressure. In this state, the recording medium transport tray 9 is further transported in the arrow A direction. As shown in FIGS. 22 and 25, when the tip 9A portion of the recording medium transport tray 9 adds the nip of the second transport roller 5, the pressure release state of the pressure release means (not shown) is restored to the original state, and the driven roller (Or spur) 6 is moved in the direction of arrow M to bring it into a pressurized state. Thereafter, the recording medium conveyance tray 9 is conveyed in the direction of arrow A by both the first conveyance roller 3 and the second conveyance roller 5. Next, as shown in FIG. 23, before the trailing end 9B of the recording medium conveyance tray 9 passes through the nip between the first conveyance roller 3 and the driven roller 4, the driven roller 4 is moved by the pressure release means (not shown). Move in the direction of arrow N to release pressure. In this state, the second conveyance roller 5 conveys the recording medium conveyance tray 9 in the direction of arrow A, and the remaining printing operation and discharging operation are performed. Next, as shown in FIG. 24, printing is completed, and the user moves in the direction of arrow A to a position where the user can exchange the CD 8, and stops. In this state, the CD 8 is taken out in the direction of arrow J, and printing on the CD 8 ends. Next, the first transport roller 3 and the second transport roller 5 are reversed (in the direction of arrow H) to transport the recording medium transport tray 9 in the direction of arrow G and pulled into the apparatus main body 10, as shown in FIG. Returning to the initial state in which the recording medium transport tray 9 is stored, the printing operation ends. Since other configurations are the same as those of the first embodiment, description thereof is omitted.

(Seventh embodiment)
A seventh embodiment will be described with reference to FIGS. FIG. 26 is a cross-sectional view of the main body showing the seventh embodiment, and FIG. 27 is a perspective view showing the conveying state.

  In the fourth embodiment, the configuration has been described in which the driven roller (or spur) 6 of the first transport roller 5 presses the CD 8 on the recording medium transport tray 9 as well. The same effect can be obtained even in a configuration in which the driven roller 6c is released and brought into contact with the recording medium transport tray 9 but transported by the driven roller 6b that does not contact the CD 8. Since the driven roller 6c is not brought into contact with the surface of the CD 8 after printing, the configuration is more preferable in terms of printing quality protection. During the printing operation of the CD 8, the driven roller 6c is kept in a state in which the pressure is released by a pressure releasing means (not shown), and the driven roller 6b performs the same operation as the driven roller 6b described in the fourth embodiment. Since other configurations are the same as those of the fourth embodiment, the description thereof is omitted.

(Eighth embodiment)
The eighth embodiment will be described with reference to FIGS. FIG. 28 is a perspective view illustrating a conveyance state of the recording medium conveyance tray 9 according to the eighth embodiment. FIG. 29 is a perspective view showing a conveyance state of the recording medium conveyance tray 9. FIG. 30 is a perspective view showing a transport state of cardboard.

  FIG. 30 shows a conveyance state of the maximum size (width direction) of the thick paper recording medium 7, and driven rollers 4c and 6d are formed outside the maximum size width. FIG. 29 shows the conveyance state of the recording medium conveyance tray 9, and the driven rollers 4 c and 6 d are arranged at positions where they contact the end of the recording medium conveyance tray 9 and do not contact the CD 8. Further, when the CD is printed, the driven roller 6b is set in a released state to perform printing, and the same effect as in the seventh embodiment can be obtained. The recording medium transport tray 9 is transported by driven rollers 4c and 6d. The driven roller 6d performs the same operation as the driven roller 6b described in the first and fourth embodiments. Since other configurations are the same as those of the first and fourth embodiments, the description thereof will be omitted.

Cross section of the main body showing the first embodiment Cross section of the main body showing the first embodiment Cross section of the main body showing the first embodiment Cross section of the main body showing the first embodiment Cross section of the main body showing the first embodiment A perspective view showing a first embodiment Cross section of the main body showing the second embodiment Cross section of the main body showing the third embodiment Cross section of the main body showing the fourth embodiment Cross section of the main body showing the fourth embodiment Cross section of the main body showing the fourth embodiment Cross section of the main body showing the fourth embodiment Cross section of the main body showing the fourth embodiment Cross section of the main body showing the fourth embodiment Perspective view showing the fourth embodiment Cross-sectional view of the main body showing the fifth embodiment Cross section of the main body showing the sixth embodiment Cross section of the main body showing the sixth embodiment Cross section of the main body showing the sixth embodiment Cross section of the main body showing the sixth embodiment Cross section of the main body showing the sixth embodiment Cross section of the main body showing the sixth embodiment Cross section of the main body showing the sixth embodiment Cross section of the main body showing the sixth embodiment Perspective view showing the sixth embodiment Cross-sectional view of the main body showing the seventh embodiment Perspective view showing the seventh embodiment Cross section of the main body showing the eighth embodiment Perspective view showing the eighth embodiment Perspective view showing the eighth embodiment Cross-sectional view of main body showing conventional example (conveyance of cardboard) Cross-sectional view of main body showing conventional example (conveyance of cardboard) Cross-sectional view of main body showing conventional example (conveyance of cardboard) Cross-sectional view of the main body showing a conventional example (CD transport) Cross-sectional view of the main body showing a conventional example (CD transport) Cross-sectional view of the main body showing a conventional example (CD transport) Cross-sectional view of the main body showing a conventional example (CD transport) Cross-sectional view of the main body showing a conventional example (CD transport) Cross-sectional view of the main body showing a conventional example (CD transport)

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Recording head 2 Platen 3 1st conveyance roller 4 Driven roller 5 2nd conveyance roller 6 Driven roller (or spur)
7 Recording medium for thick paper 8 Recording medium for CD 9 Recording medium transport tray 10 Device body 11 Storage base for recording medium transport tray 13, 14 Paper guide 15 Paper feed roller
16, 17 Paper guide

Claims (8)

  A recording medium transport tray for positioning and holding the recording medium and mounting the recording medium to record an image or a horizontal transport path for transporting a cardboard recording medium, and a recording head for printing on the recording medium On the upstream side of printing, the recording medium conveyance tray, or a first conveyance roller pair that presses and conveys a driven rotating body to the recording medium, and on the downstream side of printing of the recording head, the recording medium conveyance tray, or In the recording apparatus having the second conveying roller pair that conveys the recording medium while applying pressure to the driven rotating body, the printing operation of the leading end portion of the recording medium is performed by conveying the first conveying roller pair. Next, before the leading end of the recording medium conveying tray or the recording medium is conveyed to the nip of the second conveying roller pair, the pressure of the driven rotating body of the second conveying roller pair is released, and the recording medium conveying After the front end of the tray or the recording medium passes through the nip of the second transport roller pair, the second transport roller is again pressed from the driven rotating body. Next, a printing operation is performed from the recording head by the conveyance of the first and second conveyance roller pairs. Next, before the trailing end of the recording medium transport tray or the recording medium passes through the nip of the first transport roller pair, the pressure of the driven rotating body of the first transport roller is released, and the recording medium transport tray Alternatively, after the rear end of the recording medium passes through the nip of the first conveying roller, the recording medium conveying tray or the recording medium is conveyed by the second conveying roller pair. .   The recording medium conveyance tray or the cardboard recording medium is supplied from the front surface of the apparatus main body, conveyed from the second conveyance roller pair to the first conveyance roller pair, and passes through the nip of the first conveyance roller pair. The recording apparatus according to claim 1, wherein the recording apparatus performs the subsequent printing operation by inverting the rotation direction of the first conveying roller pair before.   The recording medium transport tray or the cardboard recording medium is supplied from the back side of the apparatus main body, the recording medium transport tray or the leading end of the recording medium is transported to the first transport roller pair, and the subsequent printing operation The recording apparatus according to claim 1, wherein:   The recording medium transport tray that positions and holds the recording medium and mounts the recording medium to record an image is stored in the apparatus main body on the upstream side of the printing from the first transport roller pair when not in use, and during the printing operation. The recording apparatus according to claim 1, wherein a leading end of the recording medium transport tray is supplied to the first transport roller unit and a subsequent printing operation is performed.   The recording medium carrying tray for positioning and holding the recording medium and mounting the recording medium to record an image has a driven rotating body of a second carrying roller, and a driven part of the recording medium carrying tray in contact with the recording medium The rotating body and a driven rotating body that is outside the recording medium transporting portion on the recording medium transporting tray and is in contact with only the recording medium transporting tray are configured to independently pressurize, and the recording on the recording medium transporting tray is performed. 2. The medium according to claim 1, wherein the driven rotator that is in contact with the recording medium is held in a state in which the pressure is released and the driven rotator that is in contact with only the recording medium conveyance tray is operated in the printing operation of the medium. Recording device. The driven rotating body of the second transport roller that contacts only the recording medium transport tray is configured outside the normal print transport section of the recording medium (outside the maximum size of the recording medium), and is applied only to the recording medium transport tray. The recording apparatus according to claim 5, wherein the driven rotating body of the second conveying roller in contact has a configuration that does not contact an ordinary recording medium. The recording apparatus according to claim 1, wherein the driven rotating body of the second transport roller is configured by a spur roller.   The recording apparatus according to claim 6, wherein the driven rotating body of the portion in contact with the recording medium on the recording medium conveyance tray is configured by a spur roller.

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