JP6589319B2 - Recording device - Google Patents

Description

  The present invention relates to a recording apparatus.

2. Description of the Related Art Conventionally, recording apparatuses that record ink by ejecting ink from nozzles onto a recording medium (medium) have been disclosed. In such a recording apparatus, a recording apparatus capable of forming an image by discharging the first ink landing position and the second ink landing position so as to overlap each other is disclosed.
For example, Patent Document 1 discloses a recording apparatus that uses color ink and transparent ink, and discharges the color ink and the transparent ink at the same point to record in a lighter color than the color ink. Has been.

Japanese Patent Laid-Open No. 2002-240328

In recent recording apparatuses, recording is performed in various modes on various types of recording media. For example, recording may be performed on a fabric as a recording medium so that the ink sufficiently penetrates not only the recording surface on which ink is ejected but also the surface opposite to the recording surface. In such a case, in addition to the image forming ink (corresponding to the first ink), the penetrating ink (the first ink) for sufficiently penetrating the image forming ink to the surface opposite to the recording surface. 2 ink) is ejected onto the recording medium. However, there are cases where the image forming ink does not sufficiently penetrate into the recording medium, resulting in insufficient diffusion in the thickness direction of the recording medium.

Accordingly, an object of the present invention is to suppress insufficient diffusion of the image forming ink when the image is formed by ejecting the image forming ink and the penetrating ink.

A recording apparatus according to a first aspect of the present invention for solving the above-described problems includes a discharge unit capable of discharging a first ink having a high image formation quality and a colorless second ink onto a recording medium, and the discharge unit including the discharge unit. A control unit capable of controlling a discharge operation of the first ink and the second ink, and the control unit includes:
A discharge operation of the first ink and the second ink is performed so that the second ink, the first ink, and the second ink overlap in this order on the recording medium.

The recording apparatus according to a second aspect of the present invention is the recording apparatus according to the first aspect, wherein the ejection unit is capable of ejecting the first ink from the first ejection unit while reciprocating in the reciprocation direction. The second ink can be ejected from a part, and the second ejection part is provided on both sides of the first ejection part in the reciprocating direction.

A recording apparatus according to a third aspect of the present invention is the recording apparatus according to the first aspect, wherein the ejection unit is capable of ejecting the first ink from the first ejection unit while reciprocating in the reciprocation direction. The second ink can be ejected from a part, and the control part performs the second ink ejection operation on the same recording area at least once in the forward direction and the backward direction in the reciprocating direction. It is characterized by.

In the recording apparatus according to the fourth aspect of the present invention, in any one of the first to third aspects,
The control unit may perform the second ink ejection operation before and after the first ink ejection operation so that the respective ejection amounts are equal.

A recording apparatus according to a fifth aspect of the present invention, in any one of the first to third aspects,
The control unit executes the second ink discharge operation before and after the first ink discharge operation so that the discharge amount of the previous discharge operation is larger than the discharge amount of the subsequent discharge operation. It is characterized by.

In the recording apparatus according to the sixth aspect of the present invention, in any one of the first to third aspects,
The control unit executes the second ink discharge operation before and after the first ink discharge operation so that the discharge amount of the previous discharge operation is smaller than the discharge amount of the subsequent discharge operation. It is characterized by.

According to the present invention, it is possible to suppress insufficient diffusion of image forming ink when an image is formed by ejecting image forming ink and penetrating ink.

1 is a schematic side view illustrating a recording apparatus according to a first embodiment of the invention. 1 is a block diagram illustrating a recording apparatus according to a first embodiment of the invention. 1 is a schematic diagram illustrating a main part of a recording apparatus according to a first embodiment of the invention. Schematic showing the principal part of the recording device of Example 2 of this invention. Schematic showing the principal part of the recording device of Example 3 of this invention. Schematic showing the principal part of the recording device of Example 4 of this invention.

[Example 1] (FIGS. 1 to 3)
Hereinafter, a recording apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Initially, the outline | summary of the recording device 1 which concerns on Example 1 of this invention is demonstrated.
FIG. 1 is a schematic side view of a recording apparatus 1 of the present embodiment.

The recording apparatus 1 of the present embodiment includes a feeding unit 2 that can feed out a roll R1 of a recording medium (medium) P for recording. Further, a transport mechanism 3 that transports the recording medium P in the transport direction A by the adhesive belt 10 (endless belt) that supports the recording medium P on the support surface F to which the adhesive is attached is provided. A carriage 1 having a recording head 7 as an ejection unit.
9 is provided with a recording mechanism 4 that performs reciprocal scanning in a reciprocating movement direction B that intersects the conveyance direction A of the recording medium P. Further, a cleaning mechanism 15 for the adhesive belt 10 is provided. Furthermore, a winding mechanism 18 having a winding shaft 17 for winding the recording medium P is provided.

The feeding unit 2 includes a rotating shaft 5 that also serves as a setting position of the roll R1 of the recording medium P for recording, and the recording medium P from the roll R1 set on the rotating shaft 5 via the driven roller 6.
Can be fed to the transport mechanism 3. When the recording medium P is fed out to the transport mechanism 3, the rotating shaft 5 rotates in the rotation direction C.

The transport mechanism 3 includes an adhesive belt 10 that places and transports the recording medium P fed from the feeding unit 2, a drive roller 8 that moves the adhesive belt 10 in the direction E, and a driven roller 9. ing. The recording medium P is pressed and attached to the support surface F of the adhesive belt 10 by the pressure roller 12 and placed. When transporting the recording medium P, the driving roller 8
Rotates in the direction of rotation C.
However, the endless belt as the conveying belt is not limited to the adhesive belt. For example, an electrostatic adsorption type endless belt may be used.
Note that the recording apparatus 1 of the present embodiment includes the transport mechanism having such a configuration.
As the recording medium P, a fabric can be used. However, the present invention is not limited to the transport mechanism having such a configuration, and the recording medium P may be transported while being supported on a movable support tray or the like, or the recording medium P may be transported by a pair of rollers. . Moreover,
A so-called flat bed type recording apparatus may be used in which the recording medium P is fixed to the support portion and the recording head is moved relative to the fixed recording medium for recording.

The recording mechanism 4 includes a carriage motor 30 (see FIG. 2) that reciprocates a carriage 19 including the recording head 7 in the reciprocating direction B. In FIG. 1, the reciprocating direction B is a direction perpendicular to the paper surface.
During recording, the carriage 19 including the recording head 7 is reciprocally scanned to perform recording. However, during the recording scan (while the carriage 19 is moving), the transport mechanism 3 stops the transport of the recording medium P. In other words, the reciprocating scanning of the carriage 19 and the conveyance of the recording medium P are alternately performed during recording. That is, at the time of recording, the conveyance mechanism 3 intermittently conveys the recording medium P (intermittent movement of the adhesive belt 10) corresponding to the reciprocating scanning of the carriage 19.
Although details will be described later, the recording apparatus 1 according to the present exemplary embodiment is configured so that the recording head 7 supplies the first ink I1.
In addition to the color ink for image formation (see FIG. 3), the penetrating ink as the second ink I2 (see FIG. 3) is ejected for recording. For this reason, for example, when a fabric is used as the recording medium P, the ink I sufficiently penetrates not only to the recording surface on which the ink I (see FIG. 3) is discharged but also to the surface opposite to the recording surface. Thus, the recording is possible.

The cleaning mechanism 15 of the adhesive belt 10 includes a cleaning brush 13 configured by connecting a plurality of cleaning rollers in the rotation axis direction, and a tray 14 containing a cleaning agent for cleaning the cleaning brush 13.
And having.

The winding mechanism 18 is a mechanism that winds the recording medium P on which recording has been performed and is transported from the transport mechanism 3 via the driven roller 11. A winding paper tube or the like is set on the winding shaft 17. By winding the recording medium P around this, the recording medium P can be wound as a roll R2.

Next, the electrical configuration of the recording apparatus 1 of the present embodiment will be described.
FIG. 2 is a block diagram of the recording apparatus 1 of the present embodiment.
The control unit 23 is provided with a CPU 24 that controls the entire recording apparatus 1. CPU
Reference numeral 24 denotes a ROM 26 that stores various control programs executed by the CPU 24 and a RAM 27 that can temporarily store data via a system bus 25.

Further, the CPU 24 is connected to a head driving unit 28 for driving the recording head 7 via the system bus 25.
The CPU 24 also drives the motor drive unit 2 for driving the carriage motor 30, the transport motor 31, the feeding motor 32, and the take-up motor 33 via the system bus 25.
9 is connected.
Here, the carriage motor 30 is a motor for moving the carriage 19 including the recording head 7. The transport motor 31 is a motor for driving the drive roller 8. The feeding motor 32 is a rotating mechanism of the rotating shaft 5, and the recording medium P
This is a motor that drives the rotary shaft 5 in order to send the toner to the transport mechanism 3. The winding motor 33 is a drive motor for rotating the winding shaft 17.

The CPU 24 is connected to an input / output unit 21 via a system bus 25, and the input / output unit 21 is connected to a PC 22 for transmitting / receiving data such as recording data and signals.

Next, the carriage 19 that is a main part of the recording apparatus 1 of the present embodiment will be described.
FIG. 3 is a schematic diagram showing the recording head 7 provided in the carriage 19 of this embodiment. 3A is a schematic bottom view of the recording head 7, and FIGS. 3B and 3C are schematic front views of the recording head 7.

As described above, the recording apparatus 1 of the present embodiment can perform recording by ejecting the first ink I1 that is color ink for image formation and the second ink I2 that is penetrating ink from the recording head 7.
Here, the second ink I2 that is the penetrating ink is an ink that assists the penetration of the first ink I1 that is the color ink for image formation into the recording medium P, and does not substantially contain an effective amount of the color material. Colorless ink. As shown in FIG. 3A, in the recording head 7 of this embodiment, the first nozzle row N1 as the first ejection portion that ejects the first ink I1 as the nozzle row N, and the first A second nozzle row N2 is provided as a second ejection unit that ejects two inks I2. Specifically, the first nozzle row N1 and the second nozzle row N2 are arranged at positions overlapping when viewed in the reciprocating direction B, and the first nozzle row N1 is arranged in the second nozzle row N2 in the reciprocating direction B.
It is provided so that it may be inserted.

Here, color ink for image formation (first ink I1) and penetrating ink (second ink I2).
), The color material of the color ink may not diffuse in the thickness direction of the recording medium P as expected by the user (the color ink does not penetrate).

Therefore, in the recording apparatus 1 of the present embodiment, the control unit 23 uses the first nozzle row N1 and the second nozzle row N.
In the case where recording is performed using the second ink I2 that is the penetrating ink together with the first ink I1 that is the color ink for image formation by controlling the ejection of the ink I from the second ink I1, the first ink I1
The second ink I2 can be ejected and recorded before and after the ejection operation.

Specifically, recording is performed while the carriage 19 is moved in the forward direction B1 of the reciprocating direction B shown in FIG. 3B (ink I is ejected), and in FIG. 3C. In both of the case where recording is performed while moving the carriage 19 in the return direction B2 of the reciprocating direction B represented, the first nozzle row N1 and the first nozzle row N1 in the reciprocating direction B
Recording is performed by the second nozzle array N2 on both sides of the recording medium. That is, with respect to one ejection operation of the first ink I2, the ejection operation of the second ink I2 is executed twice, once before and after the ejection operation of the first ink I2. The forward direction B1 and the return direction B2 may have the opposite relationship to the directions in the figure.
By recording in this way, the color ink for image formation which is the first ink I1 and the second ink are formed.
Even when recording is performed on the recording medium P using the penetrating ink that is the ink I2, it is possible to suppress the color material of the color ink from being diffused as expected by the user. This is because the recording makes it easier for the first ink I1 to diffuse in the thickness direction of the recording medium P than when the second ink I2 is landed before or after the first ink I1 is landed. .

In summary, the recording apparatus 1 of the present embodiment includes a recording head 7 that can eject the first ink I1 for image formation and the colorless second ink I2 to the recording medium P, and the first in the recording head 7.
And a control unit 23 capable of controlling the ejection operation of the ink I1 and the second ink I2.
Then, the control unit 23 performs the ejection operation of the first ink I1 and the second ink I2 so that the landing positions of the second ink I2, the first ink I1, and the second ink I2 overlap in this order on the recording medium P. .
That is, the recording apparatus 1 of the present embodiment causes the second ink I2 to land before and after the first ink I1 is landed on the recording medium P. By performing such an ejection operation, the recording medium P is more than when the second ink I2 is landed before or after the first ink I1 is landed.
The first ink I1 is likely to diffuse in the thickness direction. For this reason, the recording apparatus 1 of the present embodiment can suppress insufficient diffusion of the first ink I1.
From another point of view, the recording apparatus 1 of the present embodiment is a first ink as a color ink.
By using the ink I1 and the second ink I2 as the colorless penetrating ink, it is possible to record with a lighter color than the color ink. In addition, since it is possible to suppress insufficient diffusion of the color ink, the possible range of density adjustment of the color ink is widened.

Further, as described above, the recording apparatus 1 according to the present embodiment ejects the first ink I1 from the first nozzle array N1 while reciprocating the recording head 7 in the reciprocating direction B under the control of the control unit 23. The second ink I2 can be ejected from the second nozzle row N2. As shown in FIG. 3, the second nozzle row N2 is provided on both sides of the first nozzle row N1 in the reciprocating movement direction B.
Since the recording apparatus 1 according to the present embodiment is configured as described above, before and after landing the first ink I1 in accordance with the movement of each of the forward direction B1 and the backward direction B2 in the reciprocating direction B. An ejection operation for landing the second ink I2 can be executed.

Here, the control unit 23 according to the present embodiment performs a plurality of ejection operations of the first ink I1 (seconds on both sides of the first nozzle row N1) that are executed in accordance with one movement in the forward path direction B1 and the backward path direction B2. The discharge operation of each nozzle row N2) can be executed such that the discharge amounts of the second nozzle rows N2 on both sides are equal. Thus, the second ink I before and after the discharge operation of the first ink I1.
By making the discharge amounts of the two discharge operations equal, the discharge control by the control unit 23 can be simplified.

In addition, the control unit 23 according to the present embodiment performs the ejection operation of each of the second nozzle rows N2 on both sides of the first nozzle row N1 in the second direction on the front side in the moving direction during the movement of the recording head 7 in the reciprocating direction B. The discharge amount of the nozzle row N2 can be executed so as to be larger than the discharge amount of the second nozzle row N2 on the rear side. In other words, the ejection operation of the second ink I2 before and after the ejection operation of the first ink I1 performed in accordance with the movement of one of the forward direction B1 and the backward direction B2,
The discharge amount of the previous discharge operation can be executed to be larger than the discharge amount of the subsequent discharge operation.
For this reason, in the case where it is not desired to wet the recording medium P with the second ink I2 after discharging the first ink I1, it is possible to suppress insufficient diffusion of the first ink I1.

Further, the control unit 23 according to the present exemplary embodiment is configured such that the control unit 23 according to the present exemplary embodiment performs the ejection operation of each of the second nozzle arrays N2 on both sides of the first nozzle array N1 while the recording head 7 is moving in the reciprocating movement direction B. In this movement direction, the discharge amount of the second nozzle row N2 on the front side can be made smaller than the discharge amount of the second nozzle row N2 on the rear side. In other words, forward direction B
The discharge operation of the second ink I2 before and after the discharge operation of the first ink I1 executed in accordance with the movement of one of the first and backward paths B2, the discharge amount of the previous discharge operation being the discharge of the subsequent discharge operation. It can be executed to be less than the amount.
For this reason, in the case where it is not desired to wet the recording medium P with the second ink I2 before discharging the first ink I1, it is possible to suppress insufficient diffusion of the first ink I1.

Note that the carriage 19 of this embodiment has a first nozzle row N1 as shown in FIG.
And the second nozzle array N2 are provided. As described above, the recording apparatus 1 according to the present embodiment includes the recording head 7 in which the carriage 19 is provided with both the first nozzle array N1 and the second nozzle array N2, and the first ink I1 is insufficiently diffused. Suppressed. However, it is not limited to such a configuration.

[Example 2] (FIG. 4)
Next, a recording apparatus according to the second embodiment of the invention will be described.
FIG. 4 is a schematic diagram showing the recording head 7 provided in the carriage 19 which is a main part of the recording apparatus 1 according to the second embodiment of the invention. 4A is a schematic bottom view of the recording head 7 and corresponds to FIG. 3A showing the recording apparatus 1 of the first embodiment. 4B and 4C.
) Is a schematic front view of the recording head 7, and FIGS. 3B and 3C showing the recording apparatus 1 of the first embodiment.
).
In addition, the structural member which is common in the said Example 1 is shown with the same code | symbol, and abbreviate | omits detailed description.
The recording apparatus 1 of the present embodiment is different from the recording apparatus 1 of the first embodiment only in the configuration of the recording head 7 provided in the carriage 19.

The carriage 19 according to the first embodiment is configured to include the recording head 7 provided with both the first nozzle row N1 and the second nozzle row N2.
On the other hand, as shown in FIG. 4, the carriage 19 of the present embodiment, as the recording head 7, has a recording head 7 a provided with the first nozzle row N <b> 1 and two recordings provided with the second nozzle row N <b> 2. And a head 7b. That is, in the present embodiment, the recording head 7a and the recording head 7b serving as the ejection units can be expressed as the recording head 7a being the first ejection unit and the recording head 7b being the second ejection unit.

As shown in FIG. 4, the recording apparatus 1 according to this embodiment includes a carriage 19 including a recording head 7 a provided with the first nozzle array N <b> 1 and a recording head 7 b provided with the second nozzle array N <b> 2. ing. The positional relationship between the first nozzle row N1 and the second nozzle row N2 and the control method thereof are the same as those of the carriage 19 of the first embodiment.
That is, the recording apparatus 1 according to the present embodiment includes the recording head 7a in which the carriage 19 is provided with the first nozzle array N1 and the recording head 7b in which the second nozzle array N2 is provided. Similar to the apparatus, the first ink I1 can be prevented from being insufficiently diffused.

Example 3 (FIG. 5)
Next, a recording apparatus according to the third embodiment of the invention will be described.
FIG. 5 is a schematic diagram showing the recording head 7 provided in the carriage 19 which is a main part of the recording apparatus 1 according to the third embodiment of the invention. 5A is a schematic bottom view of the recording head 7 and corresponds to FIG. 3A showing the recording apparatus 1 of the first embodiment. Also, FIGS. 5B and 5C
) Is a schematic front view of the recording head 7, and FIGS. 3B and 3C showing the recording apparatus 1 of the first embodiment.
).
In addition, the structural member which is common in the said Example 1 and 2 is shown with the same code | symbol, and abbreviate | omits detailed description.
The recording apparatus 1 of the present embodiment is different from the recording apparatuses 1 of the first and second embodiments only in the configuration of the recording head 7 provided in the carriage 19 and the control method thereof.

In the carriage 19 of the first and second embodiments, the second nozzle row N2 is the first in the reciprocating movement direction B.
The configuration was provided on both sides of the nozzle row N1.
On the other hand, as shown in FIG. 5, the carriage 19 of the present embodiment has a configuration in which the second nozzle row N2 is provided only on one side in the reciprocating direction B of the first nozzle row N1.

As shown in FIG. 5, in the recording apparatus 1 of the present embodiment, the second nozzle row N2 is provided on one side of the first nozzle row N1 in the reciprocating movement direction B. Similarly to the recording apparatuses of the first and second embodiments, the recording head 7 can eject the first ink I1 from the first nozzle row N1 while reciprocating in the reciprocating movement direction B, and can be discharged from the second nozzle row N2. Two inks I2 can be ejected.
Here, the control unit 23 according to the present embodiment performs the forward direction B1 and the backward direction B in the reciprocating direction B.
2, it is possible to control the recording head 7 to perform the ejection operation of the second ink I2 to the same recording area at least once. Specifically, as shown in FIG.
While moving the recording head 7 in the forward direction B1, the second ink I2 is ejected from the second nozzle row N2 on the front side, and the first ink I1 is ejected from the first ink I1 on the rear side. Then, as shown in FIG. 5C, the recording head 7 is moved in the backward direction without transporting the recording medium P, that is, in the same recording area as the recording area when moving in the forward direction B1. The second ink I2 is ejected from the second nozzle row N2 while moving to B2.
Using the recording head 7 having such a configuration, the control unit 23 performs such control before and after landing the first ink I1 without increasing the number of ejection units (second nozzle row N2). An ejection operation for landing the second ink I2 can be executed.

Example 4 (FIG. 6)
Next, a recording apparatus according to the fourth embodiment of the invention will be described.
FIG. 6 is a schematic diagram showing the recording head 7 provided in the carriage 19 which is a main part of the recording apparatus 1 according to the fourth embodiment of the invention. 6A is a schematic bottom view of the recording head 7 and corresponds to FIG. 3A showing the recording apparatus 1 of the first embodiment. 6B and 6C.
) Is a schematic front view of the recording head 7, and FIGS. 3B and 3C showing the recording apparatus 1 of the first embodiment.
).
In addition, the structural member which is common in the said Examples 1-3 is shown with the same code | symbol, and abbreviate | omits detailed description.
The recording apparatus 1 of the present embodiment is different from the recording apparatus 1 of the third embodiment only in the configuration of the recording head 7 provided in the carriage 19.

The carriage 19 according to the third embodiment is configured to include the recording head 7 provided with both the first nozzle row N1 and the second nozzle row N2.
On the other hand, as shown in FIG. 6, the carriage 19 of this embodiment includes a recording head 7 a provided with the first nozzle array N <b> 1 and a recording head 7 b provided with the second nozzle array N <b> 2 as the recording head 7. It is the composition provided with. The positional relationship between the first nozzle row N1 and the second nozzle row N2 and the control method thereof are the same as those of the carriage 19 of the fifth embodiment.
That is, the recording apparatus 1 of the present embodiment performs the ejection operation for landing the second ink I2 before and after landing the first ink I1, without increasing the number of ejection units, as in the recording apparatus of the fifth embodiment. It has a configuration that can be made to.

In addition, this invention is not limited to the said Example, A various deformation | transformation is possible within the range of the invention described in the claim, and it cannot be overemphasized that they are also contained in the scope of the present invention.
The present invention has been described in detail based on the specific embodiments. Here, about the present invention,
I will explain it all together again.

The recording apparatus 1 according to the first aspect of the present invention includes a discharge unit 7 capable of discharging a first ink I1 for image formation and a colorless second ink I2 to a recording medium, and a first ink I1 in the discharge unit 7. And second
A control unit 23 capable of controlling the ejection operation of the ink I2, and the control unit 23 includes the recording medium P
The discharge operation of the first ink I1 and the second ink I2 is performed so that the second ink I2, the first ink I1, and the second ink I2 overlap in this order.

According to this aspect, the control unit 23 performs the discharge operation of the first ink I1 and the second ink I2 such that the landing positions overlap in the order of the second ink I2, the first ink I1, and the second ink I2.
Can be controlled to be executed. That is, the second ink I2 is landed before and after the first ink I1 is landed on the medium P. By performing such an ejection operation, the first ink I1 is more easily diffused in the thickness direction of the medium P than when the second ink I2 is landed before or after the first ink I1 is landed. Insufficient diffusion of the ink I1 can be suppressed.

In the recording apparatus 1 according to the second aspect of the present invention, in the first aspect, the ejection unit 7 can eject the first ink I1 from the first ejection unit N1 while reciprocating in the reciprocation direction B. The second ink I2 can be discharged from the second discharge portion N2, and the second discharge portion N2
Is provided on both sides of the first discharge portion N1.

According to this aspect, the second ejection part N2 is provided on both sides of the first ejection part N1 in the reciprocating movement direction B. For this reason, in accordance with one movement in the forward direction B1 and the backward direction B2 in the reciprocating direction B, an ejection operation for landing the second ink I2 before and after landing the first ink I1 can be executed.

The recording apparatus 1 according to a third aspect of the present invention is the recording apparatus 1 according to the first aspect, wherein the ejection unit 7 can eject the first ink I1 from the first ejection unit N1 while reciprocating in the reciprocation direction B. The second ink I2 can be ejected from the second ejection unit N2, and the control unit 23 applies the second ink I2 to the same recording area at least once in the forward direction B1 and the backward direction B2 in the reciprocating direction B. The discharge operation is performed.

According to this aspect, the control unit 23 performs the forward direction B1 and the backward direction B2 in the reciprocating direction B.
Then, it is possible to control the ejection unit 7 to perform the ejection operation of the second ink I2 on the same recording area at least once. For this reason, it is possible to execute the discharge operation for landing the second ink I2 before and after landing the first ink I1 without increasing the number of the discharge portions 7.

In the recording apparatus 1 according to the fourth aspect of the present invention, in any one of the first to third aspects, the control unit 23 performs the ejection operation of the second ink I2 before and after the ejection operation of the first ink I1. The method is characterized in that each of the discharge amounts is executed to be equal.

According to this aspect, the control unit 23 executes the ejection operation of the second ink I2 before and after the ejection operation of the first ink I1 so that the respective ejection amounts are equal. By making the ejection amounts of the ejection operations of the second ink I2 before and after the ejection operation of the first ink I1 equal, the ejection control is simplified.

In the recording apparatus 1 according to the fifth aspect of the present invention, in any one of the first to third aspects, the control unit 23 performs the ejection operation of the second ink I2 before and after the ejection operation of the first ink I1. The discharge amount of the previous discharge operation is executed to be larger than the discharge amount of the subsequent discharge operation.

According to this aspect, the control unit 23 performs the discharge operation of the second ink I2 before and after the discharge operation of the first ink I1, and the discharge amount of the previous discharge operation is larger than the discharge amount of the subsequent discharge operation. Run as follows. Since the discharge amount of the previous discharge operation is larger than the discharge amount of the subsequent discharge operation, the first discharge operation is performed.
In the case where it is not desired to wet the medium P with the second ink I2 after ejection of the ink I1, it is possible to suppress insufficient diffusion of the first ink I1.

In the recording apparatus 1 according to the sixth aspect of the present invention, in any one of the first to third aspects, the control unit 23 performs the ejection operation of the second ink I2 before and after the ejection operation of the first ink I1. The discharge amount of the previous discharge operation is executed to be smaller than the discharge amount of the subsequent discharge operation.

According to this aspect, the control unit 23 performs the discharge operation of the second ink I2 before and after the discharge operation of the first ink I1, and the discharge amount of the previous discharge operation is smaller than the discharge amount of the subsequent discharge operation. Run as follows. By making the discharge amount of the previous discharge operation smaller than the discharge amount of the subsequent discharge operation,
In the case where it is not desired to wet the medium P with the second ink I2 before discharging the first ink I1, it is possible to suppress insufficient diffusion of the first ink I1.

DESCRIPTION OF SYMBOLS 1 ... Recording device, 2 ... Feeding part, 3 ... Conveying mechanism, 4 ... Recording mechanism, 5 ... Rotating shaft of feeding part 2,
6 ... driven roller, 7, 7a, 7b ... recording head (ejection unit), 8 ... first driving roller,
9 ... second driving roller, 10 ... adhesive belt, 11 ... driven roller,
12 ... Pressure roller, 13 ... Cleaning brush, 14 ... Tray, 15 ... Cleaning mechanism,
17 ... winding shaft, 18 ... winding mechanism, 19 ... carriage,
21 ... Input / output unit, 22 ... PC, 23 ... Control unit, 24 ... CPU,
25 ... System bus, 26 ... ROM, 27 ... RAM, 28 ... Head drive unit,
29 ... Motor drive unit, 30 ... Carriage motor, 31 ... Conveyance motor,
32 ... Feeding motor, 33 ... Winding motor, F ... Support surface, I ... Ink,
I1 ... first ink, I2 ... second ink, N ... nozzle row,
N1 ... 1st nozzle row (1st discharge part), N2 ... 2nd nozzle row (2nd discharge part),
P: Recording medium (medium), R1: Roll of recording medium P, R2: Roll of recording medium P

Claims (7)

An ejection section capable of ejecting the first ink and the second ink for image formation onto a recording medium;
A control unit capable of controlling a discharge operation of the first ink and the second ink in the discharge unit,
The second ink facilitates diffusion of the first ink in the thickness direction of the recording medium,
The control unit performs an ejection operation of the first ink and the second ink so that the second ink, the first ink, and the second ink overlap in this order on the recording medium. Recording device. The recording apparatus according to claim 1,
The discharge unit, recording apparatus characterized dischargeable der Rukoto the second ink from the second discharge portion together with the first discharge portion which is capable of discharging said first ink.   The recording apparatus according to claim 2,
  The recording apparatus, wherein the second ejection unit is provided on both sides of the first ejection unit in a reciprocating direction of the ejection unit.   The recording apparatus according to claim 2 or 3,
  The recording apparatus, wherein the controller performs the second ink ejection operation on the same recording area at least once in the forward direction and the backward direction in the reciprocating direction of the ejection unit. The recording apparatus according to any one of claims 1 to 4 ,
The control unit performs the second ink ejection operation before and after the first ink ejection operation so that the respective ejection amounts are equal. The recording apparatus according to any one of claims 1 to 4 ,
The control unit executes the second ink discharge operation before and after the first ink discharge operation so that the discharge amount of the previous discharge operation is larger than the discharge amount of the subsequent discharge operation. A recording apparatus. The recording apparatus according to any one of claims 1 to 4 ,
The control unit executes the second ink discharge operation before and after the first ink discharge operation so that the discharge amount of the previous discharge operation is smaller than the discharge amount of the subsequent discharge operation. A recording apparatus.

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