JP2002283635A - Thermal transfer printer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a thermal transfer printer which can be installed even in a small-area place by installing a paper tray below a platen roller and improving the space efficiency. SOLUTION: There are provided a thermal head 7 having a plurality of heating elements, the platen roller 3 to which the thermal head 7 facing down can be pressed into contact, and the paper tray 9 with recording papers 13 stored therein. The paper tray 9 is positioned and installed below the platen roller 3. After a pick up operation of sending out the recording paper 13 pressed in contact with the platen roller 3 from the paper tray 9 through rotation of the platen roller 3, the recording paper 13 sent out from the paper tray 9 is transferred in a paper feed direction of an arrow G opposite to a send-out direction of an arrow F and supplied to between the thermal head 7 facing up and the platen roller 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is suitable for performing printing by transferring ink on an ink ribbon to recording paper by selectively generating heat from a plurality of heating elements of a thermal head based on print information. It relates to a thermal transfer printer.

[0002]

2. Description of the Related Art A conventional thermal transfer printer will be described with reference to FIG. 5. In a thermal transfer printer 51, a paper feed portion 52a is formed in a lower left portion of the inside of a main body case 52 in the drawing. A rotatable platen roller 53 is provided. Further, a head lever 55 that is rotatable around a rotation fulcrum 54 on the right side of the drawing formed on the main body case 52 is provided. The head lever 5
5, a head mount 56 is attached to the left end of the figure, and a thermal head 57 composed of a line thermal head is attached to the lower surface of the head mount 56. Further, the thermal head 57 is provided with the platen roller 5.
A plurality of heating elements (not shown) are arranged on the printing surface on the side facing 3. And the rotation fulcrum 54
By rotating the head lever 55 with the fulcrum as a fulcrum, the thermal head 57 can be moved up and down to contact and separate from the platen roller 53.

[0005] One side 58a of a sheet tray 58 as shown by a two-dot chain line is detachable from the sheet feeding section 52a. In the paper tray in which one side 58a is mounted on the paper feeding section 52a, most of the other side 58b is in the main body case 52a.
It is in a state of protruding. The paper tray 5
8, a plurality of recording papers 59 made of, for example, plain papers can be stacked and stored. The recording paper 59 stored in the paper tray 58 is provided with a lower urging member (not shown).
Thereby, the one end portion 59a is elastically urged toward the pickup roller 60 in the main body case.

A rotatable paper feed roller 61 is disposed near the left side of the platen roller 53 in the figure.
A rotatable driven roller 62 is disposed in pressure contact with the paper feed roller 61. Further, a ribbon cassette 64 for accommodating the ink ribbon 63 can be placed between the platen roller 53 and the thermal head 57 in the head-up state. And the ink ribbon 63
Both ends are wound around a take-up reel 65 and a supply reel 66 and stored in a ribbon cassette 64.

A conventional thermal transfer printer 51 as described above
Is performed by rotating the pickup roller 60 in the counterclockwise direction and conveying the uppermost recording paper 59 in the paper tray 58 in the paper feeding direction indicated by the arrow A.
9 is connected to the paper feed roller 61 and the driven roller 6.
2 and is further conveyed to the downstream side in the paper feed direction indicated by the arrow A by the rotation of the paper feed roller 61 rotating clockwise.

Then, the recording paper 5 is placed near the paper feed roller 61.
When the other end 59b of the recording paper 59 approaches, a detection sensor (not shown) detects the other end 59b and the rotation of the paper feed roller 61 is stopped. Thus, the thermal head 57 is moved down.
When the paper feed roller 61 is reversed in the counterclockwise direction, the ink of the ink ribbon is transferred to the recording paper 59, and an image such as a character is printed. The other end 59b of the recording sheet 59 being printed is guided in the upper direction of the pickup roller 60, and is conveyed in the sheet discharging direction indicated by arrow B.

When performing color printing, first, the paper feed roller 61 is rotated clockwise in the first printing operation to feed the recording paper 61 between the platen roller 53 and the thermal head 57. Paper and cue the first print line. Thereafter, when the thermal head 57 is moved down, the paper feed roller 61 is reversed in the counterclockwise direction, and the recording paper 59 is pulled in the paper discharge direction indicated by the arrow B.
The first color ink, for example, yellow ink, of the color ink ribbon is transferred, and a yellow color image is printed on recording paper.

Next, in a second printing operation, the thermal head 57 is raised, and the paper feed roller 61 is rotated clockwise to move the recording paper on which the yellow color image is printed by the arrow A. To the downstream side in the paper feeding direction. Then, the head of the first print line of the recording paper 59 is again searched, and magenta color ink is overprinted on the yellow image. Thereafter, in a third printing operation, a desired color image is printed on the recording paper 59 by overprinting cyan ink from above the magenta color image in the same operation as the second printing operation. Can be.

[0009]

However, in the conventional thermal transfer printer as described above, when the paper tray 58 is mounted on the paper supply section 52a, the other side 58b of the paper tray 58 protrudes greatly from the main body case 58. For this reason, the conventional thermal transfer printer requires a large space for installation, and has a problem that space efficiency is poor. The present invention has been made in view of the aforementioned problems,
It is an object of the present invention to provide a thermal transfer printer that can improve space efficiency by mounting a paper tray below a platen roller and can be installed even in a small area.

[0010]

According to a first aspect of the present invention, there is provided a thermal transfer printer comprising: a thermal head having a plurality of heating elements; a platen roller to which the thermal head can be pressed; A sheet tray containing recording sheets, wherein the sheet tray is mounted below the platen roller and mounted, and the recording sheet pressed against the platen roller is sent out of the sheet tray by rotation of the platen roller. After the pickup operation, the recording sheet sent from the sheet tray is transported in a sheet feeding direction opposite to the sending direction, and is fed between the thermal head and the platen roller in a separated state. A thermal transfer printer.

As a second means for solving the above problem, a paper feed roller is disposed downstream of the platen roller in the sending direction of the recording paper, and the recording paper is provided during the pickup operation. When one end of the paper comes off the platen roller, the paper feed roller pulls the paper in the feed direction, and then reverses the paper feed roller to convey the recording paper in the paper feed direction. .

According to a third aspect of the present invention, the paper feed roller includes a first paper feed roller disposed near a downstream side of the platen roller in the feed direction, And a second paper feed roller disposed downstream of the first paper feed roller in (1), wherein the recording paper during the pickup operation is pulled in the sending direction by the second paper feed roller, and When the operation is completed, the recording paper is conveyed in the paper feeding direction by the first paper feed roller.

As a fourth solution for solving the above-mentioned problem, a rotatable paper guide lever is provided between the first and second paper feed rollers, and the rotatable paper guide lever is provided during the pickup operation. The recording sheet is conveyed through the lower portion of the sheet guide lever, and when the pickup operation is completed, the sheet guide lever is rotated downward to block the pickup path of the recording sheet.

According to a fifth aspect of the present invention, the sheet tray has a sheet placing plate for urging the stored recording sheet upward, and in the vicinity of the thermal head, Forming a press-down portion capable of pressing down the paper mounting plate, when printing on the recording paper, the pressing portion presses down the paper mounting plate, the recording paper stored in the paper tray and the platen roller, And the press-down unit is separated from the paper urging plate during the pickup operation to press the recording paper stored in the paper tray against the platen roller. And

According to a sixth aspect of the present invention, the pressing portion is formed as a rotatable head lever to which the thermal head is attached, and the thermal lever is rotated by rotating the head lever. When the head is pressed down by the head against the platen roller, the pressing unit presses down the paper urging member.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a thermal transfer printer according to the present invention will be described below with reference to the drawings. Figure 1
FIG. 2 is a sectional view of a main part of the thermal transfer printer of the present invention, and FIG.
FIG. 3 is a sectional view of a main part for explaining the operation of FIG. 1, and FIG. 4 is a plan view of a main part according to the present invention.

First, in a thermal transfer printer 1 according to an embodiment of the present invention, as shown in FIG. 1, a platen 3 composed of rotatable rollers is disposed in a main body case 2 shown by a two-dot chain line. 3, both ends of the rotating shaft 3 a are pivotally supported on the side wall of the main body case 2. In addition, a head lever 5 that is rotatable in the up and down directions in the directions of arrows A and B is provided with the rotation fulcrum 4 on the right side in the figure as a fulcrum.

The head lever 5 is formed by punching a metal plate by a press or the like, and as shown in FIG. 4, a pair of side plates 5a, 5b and a head mounting portion 5c connecting the side plates 5a, 5b. The shape in a plan view is formed in a U-shape. Further, a push-down portion 5d extending leftward in the figure is formed on the lower side plate 5b in the figure. This push-down part 5
1, d is formed in an L-shape as shown in FIG. 1, and the lower end 5e of the L-shape is
Can be pushed down.

The head mounting portion 5c of the head lever 5
, A long head mounting base 6 having a substantially trapezoidal shape and attached along the head mounting portion 5c is attached with an adhesive or the like. Also,
A thermal head 7 is attached to the lower surface of the head mounting base 6 with an adhesive or the like. The thermal head 7 raises and lowers the head by rotating the head lever 5 in the up and down directions of arrows C and D, and
It can be moved away.

The thermal head 7 is composed of a line thermal head. A plurality of heating elements (not shown) are arranged on the printing surface of the portion facing the platen roller 3 along the longitudinal direction of the platen roller 3. It is formed. The length of the plurality of heating elements is formed to be slightly longer than the width dimension of the recording paper 13 described later. In the thermal head 7, each heating element (not shown) selectively generates heat based on print information (print data).

A paper feed section 8 is formed below the platen roller 3 and below the main body case 2 shown in FIG. 1, and a paper tray 9 is detachable from the paper feed section 8. . The paper tray 9 has a flat paper mounting plate 10 rotatably supported by an inner bottom plate 9a. The paper mounting plate 10 is elastically urged by a spring 11 in the upward direction of an arrow E. The urging plate 12 can be pressed against the platen roller 3. As shown in FIG. 4, the sheet mounting plate 10 is formed with a protruding portion 10 b to which the depressed portion 5 d of the head lever 5 can abut, protruding downward from the paper tray 9 to the outside in the drawing.

Also, the paper loading plate 10 inside the paper tray 9
On the top, a plurality of recording sheets 13 made of, for example, A4 size plain paper are placed. The recording paper 13 placed on the paper loading plate 10 in the paper tray 9 has one end 13a at the right end in the drawing and the other end 13b at the left end in the drawing. It will be described as. Further, the paper placing plate 10 is
As shown in FIG. 1, a friction plate 10a is arranged at a position facing the platen roller 3 so as to prevent an obstacle such as a double feed that is picked up in a state where a plurality of recording papers 13 are stacked. The recording paper 13 placed on the paper tray 9 is pressed against the upper platen roller 3 by the urging force of the paper placing plate 10 in the direction of arrow E.

Also, rotatable first and second paper feed rollers 14 and 16 are disposed at a predetermined interval on the downstream side of the platen 3 in the direction of feeding the recording paper 13 indicated by the arrow F sent from the paper tray 9. Have been. The first paper feed roller 14 is disposed in the vicinity of the downstream side of the platen roller in the direction indicated by the arrow F, and a rotatable first driven roller 15 is disposed on the first paper feed roller 14 in pressure contact therewith. Have been. Further, a second paper feed roller 16 is disposed further downstream than the first paper feed roller 14 in the feed direction of arrow F, and a rotatable second driven roller 17 is pressed against the second paper feed roller 16. It has been arranged. The first and second paper feed rollers 14 and 16 are driven by a drive source (not shown).
, And can rotate in both left and right directions. Further, the platen roller 3 rotates while receiving the rotation of the drive source during the pickup operation of sending the recording paper 13 from the paper tray 9, and feeds the recording paper 13 in the direction of arrow G, and during printing, Then, the rotation transmission from the driving source is released, and the driving source is rotatable.

The first and second paper feed rollers 14, 16
A paper guide lever 18 which is rotatable in the shape of a tongue is disposed between the recording paper 13 and the recording paper 13 by rotating the platen roller 3.
During the pickup operation in which the recording paper 13 is sent out from the paper tray 9 in the direction indicated by the arrow F, the recording paper 13 is rotated upward by the recording paper 13 being sent, and the recording paper 13 can be sent. Also,
When the pick-up operation is completed after the recording paper 13 is sent out from the paper tray 9, the paper guide lever 18 is rotated downward so that the pickup path between the platen roller 3 and the paper tray 9 is blocked. Has become.

A ribbon cassette 19 is provided between the platen 3 and the thermal head 7 in the head-up state.
Is located. The ink ribbon 20 has a base film made of a resin material, and ink of a desired color is applied to one side of the base film, ie, the lower surface in the figure, to form an ink surface. The width of the ink ribbon 20 is slightly larger than the width of the recording paper 13 in the print line direction.
And the ribbon cassette 1 with the ends wound around
9 is stored.

In the ribbon cassette 19, a take-up case 19a for storing the ink ribbon 20 wound on the take-up reel 21 and a supply case 19b for storing the ink ribbon 20 wound on the supply reel 22 are connected. It is formed. Such a ribbon cassette 19 rotates the head lever 5 above the arrow D, and
Is head-up, so that it can be mounted on a cassette mounting portion (not shown) inside the main body case 2.
Also, a gap of a predetermined size is formed between the ink ribbon 20 of the ribbon cassette 19 mounted on the cassette mounting portion and the platen 3.

The operation of printing an image on the recording paper 13 by the thermal transfer printer 1 of the present invention will be described. First, as shown in FIG. 1, the recording paper 13 is placed on the paper loading plate 10. When the paper tray 9 is mounted on the paper feeding unit 8 at the lower part of the main body case 2, almost the entire outer shape of the paper tray 9 is stored in the main body case 2. Then, the sheet placing plate 10 is urged by the urging plate 12 above the arrow E, and the uppermost recording sheet 13 is pressed against the outer peripheral portion below the platen roller 3.

Next, when the platen roller 3 is rotated clockwise, the recording paper 13 is conveyed in the sending direction of arrow F, and the recording paper 13 causes the paper guide lever 1 to rotate.
8 is rotated upward. Then, the paper guide lever 18
, The recording paper 13 is transported to the downstream side in the sending direction of the arrow F, and the pickup operation of the recording paper 13 is performed. In this pickup operation, the platen roller 3
The other end 13b of the recording paper 13 conveyed in the sending direction of arrow F by the second paper feed roller 16 and the second driven roller 1
7 When the one end portion 13a of the recording sheet 13 comes off the platen roller 3 during the pick-up operation for sending the recording sheet 13 from the sheet tray 9, the recording sheet 13 is pulled by the second sheet feed roller 16 and further moved by an arrow. The sheet is transported downstream in the direction in which F is sent.

Then, the recording paper 13 is sent out from the paper tray 9, and one end 13a of the recording paper 13 is disengaged from the paper guide lever 18, so that the pickup operation of the recording paper 13 is completed. When the pickup operation of the recording paper 13 is completed, the paper guide lever 18 rotates downward, and the pickup path between the platen roller 3 and the paper mounting plate 10 of the paper tray 9 is shielded.

Next, when the second paper feed roller 16 is reversed and rotated clockwise, the recording paper 13 is conveyed in the paper feeding direction indicated by the arrow G shown in FIG. 18, and is sandwiched between the first paper feed roller 14 and the driven roller 15. Then, by the clockwise rotation of the first paper feed roller 14, the recording paper 13 is conveyed in the paper feed direction indicated by the arrow G and fed between the thermal head 7 in the head-up state and the platen roller 3. You.

When the recording paper 13 is conveyed in the direction of arrow G by the rotation of the first paper feed roller 14, the other end 13b is disengaged from the second paper feed roller 16 and is located near the first paper feed roller 14. Get closer. Then, a sheet detection sensor (not shown) detects the other end 13b, and the rotation of the first sheet feed roller 14 stops. Then, cueing of the first print line on the recording paper 13 is performed. After the cueing operation of the recording paper 13, as shown in FIG. 3, the head lever 5 is rotated in the direction of arrow C to lower the thermal head 7, and the ink ribbon 20 and the recording paper 1 are transferred to the platen roller 3.
3 is pressed.

When the thermal head 7 is moved down, the depressed portion 5d of the head lever 5 is
The protruding portion 10b of the paper placing plate 10 is pushed down. By this operation, the recording paper 13 placed on the paper placing plate 10 is
The pressure contact with the platen roller 13 is released.

Next, by inverting the first paper feed roller 14 in the counterclockwise direction and pulling the recording paper 13 in the paper discharge direction indicated by the arrow H, the platen roller 3 also moves to the first paper feed roller 1.
Rotate in the same counterclockwise direction as 4. At this time, the recording paper 13 stored in the paper tray 9 below the platen roller 3
Since the pressure contact with the platen roller 3 is released by the press-down unit 5d, the rotation of the platen roller 3 is not transmitted to the recording paper 13 in the paper tray 9.

At the same time as the rotation of the platen roller 3 in the counterclockwise direction, the heating elements of the thermal head 7 are selectively energized in accordance with the print information, so that the ink of the ink ribbon 20 is transferred to the recording paper 13 and desired. A color image is printed. Further, the ink ribbon 20 after the transfer of the ink,
It is wound on a take-up reel 21. When an image such as a character is printed continuously from the first line to the last line on one recording sheet 13, the recording sheet 13 after printing is conveyed in the ejection direction of arrow H, and , The second paper feed rollers 14, 1
6, the one end 13a comes off and is sent out of the main body case 2 to complete the printing operation.

When performing color printing, for example, with the thermal transfer printer 1 of the present invention, at least the three primary colors of Y (yellow), M (magenta) and C (cyan) are formed on the ink-coated surface of the ink ribbon 20. A ribbon cassette 19 containing a color ink ribbon called a multi-color ink ribbon in which three color inks are sequentially and repeatedly applied is mounted on the cassette mounting portion 8.

In the first printing operation, the recording paper 13 fed between the thermal head 7 and the platen roller 3 is conveyed in the discharge direction indicated by the arrow H, for example, in the Y (yellow) color. After printing the image in Y (yellow) color, the recording paper 9 is returned to the feeding direction of arrow G again, and the M (magenta) color image is placed on the Y (yellow) color image. Overprint the image. Then, in the same operation as the printing operation, a desired color image is printed on the recording paper 13 by superimposing and printing the C (cyan) color ink on the M (magenta) color image. ing.

In such a thermal transfer printer 1, since the paper tray 9 is mounted with the paper tray 9 positioned below the platen roller 9, the entire outer shape of the paper tray 9 is accommodated in the main body case 2 and mounted. Accordingly, the installation space for the thermal transfer printer 1 can be reduced.

[0038]

According to the thermal transfer printer of the present invention, the sheet tray is mounted below the platen roller, and after the pickup operation for sending the recording sheet by the rotation of the platen roller, the recording sheet sent from the sheet tray is sent out. The paper tray is conveyed in the direction opposite to the paper feed direction, and is fed between the thermal head and the platen roller. It is possible to provide a thermal transfer printer that can be installed even in a small area.

Further, during the pickup operation of the recording paper,
When one end of the recording paper comes off the platen roller, it is pulled by the paper feed roller in the feeding direction, and then the paper feed roller is inverted to convey the recording paper in the paper feeding direction. Even if a paper tray is provided, the recording paper can be reliably fed between the thermal head and the platen roller by the paper feed roller and printed.

The paper feed roller has a first paper feed roller provided near the downstream side of the platen roller and a second paper feed roller provided downstream of the first paper feed roller in the feeding direction. Then, the recording paper during the pickup operation is pulled by the second paper feed roller in the sending direction, and is conveyed in the paper feeding direction by the first paper feed roller when the pickup operation is completed. Can be fed and discharged.

During the pick-up operation, the recording paper is conveyed through the lower portion of the paper guide lever. When the pick-up operation is completed, the paper guide lever pivots downward to block the pickup path of the recording paper. Accordingly, the recording paper at the start of the paper feeding operation does not accidentally enter the pickup path, and it is possible to prevent the occurrence of a trouble such as a paper jam during paper feeding.

When printing on the recording paper, the press-down unit presses down the paper mounting plate to release the pressure contact between the recording paper stored in the paper tray and the platen roller. Since the press-down unit is separated from the urging plate and the recording paper stored in the paper tray is pressed against the platen roller, the recording paper is reliably picked up from the paper tray and high-quality printing is performed on the recording paper. Can be provided.

The pressing portion is formed as a rotatable head lever to which a thermal head is attached. When the thermal head is turned down by rotating the head lever, the pressing portion presses down the paper urging member. So
The pressing part can be formed integrally with the head lever,
The press-down portion can be formed at the same time when the head lever is formed by pressing or the like, and the press-down portion can be easily formed.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of a thermal transfer printer of the present invention.

FIG. 2 is a sectional view of a main part for explaining the operation of FIG. 1;

FIG. 3 is a cross-sectional view of a principal part explaining the operation of FIG. 1;

FIG. 4 is a plan view of a main part of the thermal transfer printer of the present invention.

FIG. 5 is an external view of a main part of a conventional thermal transfer printer.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Thermal transfer printer 2 Main body case 3 Platen roller 4 Rotating fulcrum 5 Head lever 6 Head mount 7 Thermal head 8 Paper feeder 9 Paper tray 10 Paper loading plate 11 Spring 12 Energizing plate 13 Recording paper 14 Paper feed roller 15 Follower Roller 16 Second paper feed roller 17 Second paper feed roller 18 Paper guide lever 19 Ribbon cassette 20 Ink ribbon 21 Take-up reel 22 Supply reel

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) B65H 5/06 B65H 29/60 A 3F053 29/58 B41J 3/20 109C 3F343 29/60 25/30 U F Terms (reference) 2C058 AB02 AC06 AE02 AF04 AF31 DA10 DA34 2C059 AA04 AA05 AA22 AA26 AA29 AA68 AA73 2C064 CC02 CC06 EE01 2C065 DA03 DA26 DA36 3F049 AA10 DA11 DA12 EA17 LA07 LB03 3 HC04 HD08 HD18 KB04 KB14 KB19 LA03 LA12 LC12 LC20

Claims (6)

[Claims] A thermal head having a plurality of heating elements, a platen roller to which the thermal head can be pressed, and a paper tray storing recording paper, wherein the paper tray is positioned below the platen roller. After the pick-up operation in which the recording paper mounted and pressed against the platen roller is sent out from the paper tray by rotation of the platen roller, the recording paper sent out from the paper tray is fed in a feeding direction opposite to the feeding direction. Wherein the paper is fed between the thermal head and the platen roller in a separated state. 2. A paper feed roller is disposed downstream of the platen roller in the sending direction of the recording paper, and when one end of the recording paper comes off the platen roller during the pick-up operation, the paper is fed. 2. The thermal transfer printer according to claim 1, wherein the recording paper is conveyed in the paper feeding direction by inverting the paper feeding roller after being pulled in the paper feeding direction by a feeding roller. 3. The paper feed roller according to claim 1, wherein the paper feed roller is provided near a downstream side of the platen roller in the feeding direction and a first paper feed roller is provided downstream of the first paper feed roller in the feeding direction. A second paper feed roller, wherein the recording paper during the pickup operation is pulled by the second paper feed roller in the sending direction, and when the pickup operation is completed, the recording paper is fed to the first paper feed roller. 3. The thermal transfer printer according to claim 2, wherein the sheet is transported in the sheet feeding direction by a roller. 4. A paper guide lever that is rotatable between the first and second paper feed rollers, and conveys the recording paper through a lower portion of the paper guide lever during the pickup operation. 4. The thermal transfer printer according to claim 3, wherein, when the pickup operation is completed, the paper guide lever pivots downward to block a pickup path of the recording paper. 5. The paper tray has a paper mounting plate for urging the stored recording paper upward, and a press-down portion that can press down the paper mounting plate is formed near the thermal head. When printing on the recording paper by lowering the thermal head, the press-down unit presses down the paper mounting plate to release the pressure contact between the recording paper stored in the paper tray and the platen roller, Further, during the pick-up operation of the recording paper, the press-down portion is separated from the paper urging plate so that the recording paper stored in the paper tray is pressed against the platen roller. Item 5. The thermal transfer printer according to items 1 to 4. 6. The press-down portion is formed in a rotatable head lever to which the thermal head is attached, and when the thermal head is turned down by rotating the head lever and the thermal head is pressed against the platen roller, the press-down portion is pressed down. 6. The thermal transfer printer according to claim 5, wherein the unit pushes down the paper urging member.