JP2024049754A - Recording apparatus and ejection method - Google Patents

Abstract

The present invention aims to suppress deterioration of image quality during printing after paper feeding. When a paper feeding retry operation is performed, preliminary ejection is performed. [Selected Figure]

Description

The present invention relates to a recording device and an ejection method.

Patent document 1 discloses that a paper detector installed in the supply path detects the paper feed status of the recording medium fed by the paper feed roller, and performs a paper feed retry operation if a paper feed failure is confirmed.

Patent document 2 discloses that a flushing operation is performed in parallel with the start of the paper feed operation, in which ink is ejected to unclog the nozzles of the recording head.

Japanese Patent Application Laid-Open No. 8-169632 JP 2008-37006 A

However, when a paper feed retry operation is performed, the time required to supply the recording medium is longer than expected, even if a preliminary ejection operation to clear clogged nozzles in the recording head is performed in parallel with the start of the paper feed operation. This extends the period during which the recording head is free from the cap, causing the ink in the nozzles to thicken more than expected, which may affect recording.

The present invention was made in consideration of the above problems, and aims to suppress the deterioration of image quality during recording after paper feeding.

The present invention has a recording head having nozzles for ejecting ink, a control means for controlling the ejection of ink from the recording head, a cassette for storing a recording medium, a feeding means for performing a feeding operation for feeding the recording medium from the cassette, a detection means provided in a transport path through which the recording medium transported by the feeding means passes and for detecting the recording medium, and a feeding determination means for determining whether the recording medium is being fed based on the detection result of the detection sensor, and the recording head can perform a preliminary ejection for ejecting ink other than ink for recording an image, and when the detection means determines that the recording medium is being fed, the control means causes the recording head to perform a first preliminary ejection, and when the determination means determines that the recording medium is not being fed, the feeding means performs a retry operation for feeding the recording medium again, and the control means causes the recording head to perform a second preliminary ejection before performing the retry operation.

According to the present invention, it is possible to suppress the deterioration of image quality during recording after paper feeding.

1 is a perspective view of an inkjet recording apparatus according to an embodiment of the present invention. FIG. 4 is a detailed explanatory diagram showing a supply mechanism according to the embodiment. FIG. 2 is a perspective view of a recovery mechanism according to the embodiment. FIG. 4 is a schematic diagram of a recovery mechanism according to the present embodiment. FIG. 2 is a schematic diagram of a recording head according to the present embodiment. FIG. 2 is a schematic cross-sectional view of a recording apparatus according to the present embodiment. FIG. 2 is a block diagram showing a control configuration according to the present embodiment. 10 is a flowchart of a preliminary ejection operation control at the time of a paper feed retry in the first embodiment. 10 is a flowchart showing a process for determining whether a paper feed retry should be performed in the present embodiment. 10 is a flowchart of a preliminary ejection operation control at the time of a paper feed retry in the second embodiment.

First Embodiment
1 is a perspective view showing an inkjet recording apparatus (hereinafter also referred to as a recording apparatus) 100 according to a first embodiment. A recording head 4 that ejects ink droplets is mounted on a carriage 3. The recording head 4 and a liquid container 11 that contains ink are connected by a supply tube 8, which supplies ink to the recording head 4.

Figure 2 is a perspective view showing the supply mechanism in the recording device according to the first embodiment. The liquid container 11a for color ink is connected to the recording head 4a via a supply tube 8a. The liquid container 11b for black ink is connected to the recording head 4b via a supply tube 8b. The supply tubes 8a and 8b can be closed by operating the tube valve 9.

Figure 3 is a perspective view of the recovery mechanism of the recording device according to the first embodiment. Caps 20a and 20b for covering the nozzles 7 of the recording head 4 are connected to a suction pump 31 via suction tubes 21a and 21b, respectively.

Figure 4 is a schematic diagram showing the configuration of the recovery mechanism according to the first embodiment. With the recording head 4 sealed by the cap 20, the suction pump 31 is driven to suck ink from the discharge port 7. The suction pump 31 rotates the shaft 25 on which the rollers 24 are arranged in the direction of the arrow, which sequentially crushes the suction tube 21 in the portion held by the rollers 24 and the guide 26, and the rollers 24 rotate to create a reduced pressure in the tube. As a result, the recording head 4 is depressurized through the cap 20, and ink is sucked from the discharge port 7. The amount of suction is controlled by the number of rotations and the rotation speed of the rollers 24, which are specified in advance. The ink discharged from the suction pump 31 is stored in the waste ink tank 28 via the waste ink tube 27. A waste ink absorber 29 is provided in the waste ink tank 28. In the first embodiment, the waste ink tank 28 is configured to be detachable from the recording device body and is configured to be replaceable by the user.

Figure 5 is a schematic diagram showing the configuration of the recording head 4 in the first embodiment. The supply tube 8 is connected to the top of the recording head 4. The ink supply port 14 at the tip of the supply tube 8 is inserted into a joint portion 32 provided on the recording head 4, and the supply tube 8 is connected to the top of the recording head 4. A sub-tank 15 capable of holding a certain amount of ink is provided inside the recording head 4. A filter 16 is provided below the sub-tank 15 to remove foreign matter from the ink. An ink flow path 17 that shares ink with the liquid chamber 18 is provided below the filter 16, and supplies ink to the liquid chamber 18. An ejection port (not shown) is provided at the bottom of the liquid chamber 18.

The recording head 4 of the first embodiment is an inkjet type recording head that uses thermal energy to eject ink, and is equipped with multiple electrothermal converters for generating thermal energy. More specifically, thermal energy is generated by a pulse signal applied to the electrothermal converters, and film boiling is caused inside the ink liquid by this thermal energy. Furthermore, the bubbling pressure of the film boiling is used to eject ink from the ejection orifices to perform printing. Alternatively, the recording head may be one that ejects ink using a piezoelectric element.

Figure 6 is a schematic cross-sectional view of the recording device 100. The recording device 100 has multiple cassettes 41 that house the recording media 10. By driving the transport motor (first drive motor) 23, the first transport roller 13 and the second transport roller 22 (first transport section) rotate. As a result, the recording medium 10 is transported in the direction of arrow Y (sub-scanning direction) that intersects (in this example, perpendicular to) the movement direction (main scanning direction) of the carriage 3. The transport motor 23 is a DC motor.

During the recording medium feeding operation, the recording medium 10 set in the cassette 41 is picked up by the pickup roller 42 in order from the top one. The picked up recording medium 10 is fed along the transport path 44 toward the recording head 4 by the third transport roller 43 and the opposing roller 43a facing it. The recording medium detection sensor 47 detects whether the recording medium is being picked up, that is, whether it is being fed. The recording medium detection sensor may be an optical sensor or a physical sensor. The pickup roller 42 and the third transport roller 43 (second transport section) are connected to the feed motor 45 via a power transmission system (not shown) so that they are rotated by the feed motor (second drive motor) 45. In addition, the first transport roller 13 and the second transport roller 22 are connected to the transport motor 23 via a power transmission system (not shown) so that they are rotated by the transport motor 23. The feed motor 45 is a DC motor, just like the transport motor 23.

The recording medium 10 fed by the third conveying roller 43 is conveyed by the first conveying roller 13 and the second conveying roller 22, which rotate in synchronization with the third conveying roller 43, and the opposing rollers 13a and 22a, and is discharged onto the discharge tray 46. The feeding operation of the recording medium 10 is not limited to feeding from the cassette 41 arranged at the bottom of the recording device 100, and for example, a pickup roller 42 may be provided at the rear of the recording device 100 (the right side in FIG. 2).

Figure 7 is a block diagram showing the control configuration. ROM 4001 stores the control program to be executed and each setting value in the control. RAM 4002 expands the control program when it is executed, stores print data and control commands, and stores control variables in each control. Timer circuit 4003 is a circuit capable of acquiring the current time, or a circuit capable of measuring elapsed time. Non-volatile memory 4004 is a storage means capable of storing parameters stored in the control even when the power of the main body is turned off, and writes and reads the time that is the starting point for calculating the elapsed time in the control of this embodiment. Control circuit 4000 executes the control program stored in ROM 4001 or the control program expanded in RAM 4002. The sequence of this embodiment is a part of the sequence executed by the control program described above.

The external connection circuit 4005 is a circuit that allows the control circuit 4000 to handle it as an interface and control signal when communicating between the inkjet recording device main body and an external host device via wired or wireless communication. Data for the image to be printed is input from the outside via the external connection circuit 4005. The current time may also be input to the inkjet recording device main body via the external connection circuit 4005.

The control circuit 4000 expands the received image data in the RAM 4002. Based on the data in the RAM 4002, the control circuit 4000 controls the drive of the recording head unit 4007 via the recording head unit drive circuit 4006, and at the same time controls the carriage motor via the carriage motor drive circuit to scan the carriage 3. The control circuit 4000 controls the feed motor 45 via the paper feed motor drive circuit 4012 to move the recording medium. By ejecting ink at the desired position on the recording medium under the control of the control circuit 4000 described above, one recording scan is executed. The control circuit 4000 also controls the transport motor 23 via the paper feed motor drive circuit 4012 to transport the recording medium the desired distance.

In the suction recovery sequence of this embodiment, the control circuit 4000 controls the purge motor 4009 via the purge motor drive circuit 4008 to suck the desired amount of ink from the print head. In addition, the control circuit 4000 controls the drive of the print head unit 4007 via the print head unit drive circuit 4006 to eject the desired amount of ink into the cap. In this case, the pattern for driving the print head is based on either data expanded in RAM 4002, data in ROM 4001, or data generated by the control circuit, as in the printing operation described above.

The inkjet recording device performs head recovery operations using suction recovery control for the purposes of removing air bubbles in the recording head, discharging stuck ink, and refilling with ink. Situations requiring recovery operations include when the cap is left open after an abnormal termination, when the ink tank is replaced, when a certain amount of time has passed since the previous recovery operation was performed, and when the amount of ink droplets (number of dots) required for a recording operation since the previous recovery operation is equal to or exceeds a certain value. In such situations, a recovery flag is set and stored in the non-volatile memory shown in 4004 of Figure 7. Based on this recovery flag, recovery operations are performed at a predetermined timing.

Figure 8 is a flowchart of the recording operation in the first embodiment.

This is a flow diagram showing an overall picture of the preliminary ejection operation control during a paper feed retry, in which the paper feed operation is performed again. In the first embodiment, the paper feed retry operation of this embodiment when the recording head 4 is in a state where it is in close contact with the cap 20 and a print job is received is described. This flowchart is executed by the control circuit 4000 according to a control program stored in the ROM 4001 or a control program loaded in the RAM 4002.

First, in step S701, a print command is received from the host device, and the printing information required for the paper feed retry operation is obtained. The printing information required for the paper feed retry operation here is the paper feed port, paper type, and paper size.

Next, in S702, a paper feed slot from which the recording medium is to be fed is selected based on the print information acquired in S701. The paper type and size of the recording paper set in the paper feed slot are specified in advance when the recording paper is loaded.

Next, in S703, the nozzle surface of the recording head 4, which was in close contact with the caps 20a and 20b shown in FIG. 3, is separated from the caps. This operation is called cap opening.

Next, in S704, a preliminary ejection is performed on the cap after the cap is opened. This preliminary ejection is not an ejection of ink to record and configure an image, but is intended to expel ink that has thickened during the period when recording is not taking place (the period when the capped state is left in this embodiment) and restore the ejection state.

Next, in S705, the feeding of recording paper begins from the selected paper feed port and is transported into the transport path.

Next, in S706, the control circuit 4000 determines whether the recording medium has been transported to a specified transport path position based on the detection result of the recording medium detection sensor arranged in the transport path. If the recording medium is detected within a certain period of time from the start of paper feed, it is considered a success, and if the recording medium is not detected within a certain period of time from the start of paper feed, it is considered a failure.

If the determination result in S706 is successful, a first preliminary ejection operation is performed in S707. This first preliminary ejection operation performs the number of preliminary ejections required for each ink color to eject the thickened ink immediately before the start of printing, thereby suppressing ejection defects due to thickened ink at the start of printing. A different number of ejections may be set for each color, or the same initial number may be set. This first preliminary ejection operation guarantees the ejection of thickened ink only during the time that has elapsed since the preliminary ejection performed in S704. If more time has elapsed than expected, the number of preliminary ejections and the preliminary ejection time of the first preliminary ejection may cause ejection defects at the start of printing due to thickened ink. Therefore, if it is determined that paper feeding has failed, proceed to S710.

After the first preliminary ejection is performed in S707, the printing operation is started in S708 to print an image, and after the printing operation is completed, in S709, the nozzle surface of the recording head 4 is sealed tightly against the caps 20a and 20b shown in FIG. 3 to protect the nozzle surface. This operation is called cap closing.

On the other hand, if the result of the determination in S706 is failure, a determination is made in S710 as to whether or not to perform a paper feed retry based on the paper feed retry determination described below.

Next, in S710, it is determined whether or not to perform a paper feed retry. Details will be described in FIG. 9. If it is determined that a paper feed retry should be performed, in S711, it is determined whether the elapsed time T since the previous preliminary ejection has exceeded a predetermined preliminary ejection threshold time Ty. The preliminary ejection threshold time Ty is the time required to eliminate thickening of each ink color with the first preliminary ejection number even when the nozzle surface is exposed with the cap open. In the first embodiment, the preliminary ejection threshold time Ty is described as 2 seconds. When making a threshold determination with the preliminary ejection threshold time Ty in S710, it is determined whether the time elapsed since the previous preliminary ejection operation exceeded 2 seconds.

If the time T since the previous preliminary ejection is more than 2 seconds, it is determined that the ink has thickened since the previous preliminary ejection and is in a state of viscosity that inhibits ejection, and in S712, a second preliminary ejection is performed on the cap, and then the process moves to S713. For this second preliminary ejection operation, the number of preliminary ejections required to eliminate the thickening of each ink color is set. A different number of ejections may be set for each color, or the same initial number may be set.

If the time T since the previous preliminary ejection does not exceed 2 seconds, it is determined that the ink has thickened since the previous preliminary ejection, but is not in a state of thickening that would impede ejection, and the ink remains on the cap while moving on to processing of S713.

In S713, it is checked whether the paper feed preparation operation for the paper feed retry has been completed. If the preparation is completed, the paper feed operation is started in S705. If the preparation is not completed, in S711, it is determined again whether the elapsed time T from the previous preliminary ejection has exceeded the default preliminary ejection threshold time Ty.

On the other hand, if it is determined in S710 that a paper feed retry is not to be performed, a paper feed error notification is displayed on a UI panel (not shown) in order to be announced to the user in S714. Then, the process proceeds to S709. In this manner, the flow of the printing operation is executed.

Figure 9 is a flowchart showing the process for determining whether to perform a paper feed retry in the first embodiment and the second embodiment described below.

First, in step S801, information on the paper feed port to be selected is obtained from the paper feed retry setting table described below. The recording device of this embodiment has multiple paper feed ports, and the paper feed port specified in the print command will be described below as paper feed port 1.

Next, in S802, it is determined whether or not there is a paper feed retry request. It is determined that there is no paper feed retry request when a paper jam has occurred, when no recording medium is set in the paper feed port, and so on, making it impossible to retry the paper feed, or when the number of retries exceeds a predetermined number. If there is a paper feed retry request, processing proceeds to S803.

In S803, the paper feed port information of the specified paper feed port is obtained. The paper feed port information includes whether or not recording paper is loaded, the size, and the type. On the other hand, if in S802 there is no paper feed retry request, the process proceeds to S807 and it is determined that a paper feed retry will not be performed.

In S804, it is determined whether a recording medium is loaded in cassette 41 based on the paper feed port information acquired in S803. If a recording medium is loaded, the paper information received in the print command is compared with the size and type of the recording paper, and only if they match is it determined that recording paper P for which a paper feed retry can be performed is present in the specified paper feed port. Then, in S806, it is determined that a paper feed retry operation is required.

On the other hand, in S804, if the paper feed port information acquired in S803 does not satisfy the above-mentioned conditions, it is determined that there is no recording paper P in the specified paper feed port that can be used for paper feed retry. In S805, it is determined that the paper feed retry for that priority has been performed, the paper feed retry information is updated, and processing proceeds to the next priority.

The recording method and amount of ink applied are determined by the type of recording paper, and printing on a different type of paper can result in problems such as streaks and unevenness due to different transport characteristics, failure to achieve the expected color performance, and deterioration of image quality due to ink bleeding.

Also, if the recording paper size is different, the image cannot be formed in the correct position on the recording paper, resulting in an output result that does not meet the user's expectations.

For the above reasons, the printer determines whether a paper feed retry is possible based on the paper feed slot information.

The above-mentioned determination of whether or not to perform a paper feed retry is performed is shown in Table 1 below, which is a paper feed retry setting table when paper feed port 1 is selected in the print command. The paper feed port position is specified based on the paper feed retry order listed in Table 1.

The paper feed port listed in Paper Feed Retry Order 1 in Table 1 is referenced, and once a determination is made as to whether or not to perform a paper feed retry, the conditions for Paper Feed Retry Order 1 are updated in S805 as having been performed. Paper Feed Retry Order 2 is referenced to determine whether or not to perform the next paper feed retry, and once a determination is made as to whether or not to perform a paper feed retry, the conditions for Paper Feed Retry Order 2 are updated in S805 as having been performed. If a paper feed retry order exists, it is determined that a paper feed retry request exists.

The system checks for the presence or absence of a paper feed retry for each paper feed retry priority order, and if it finally reaches the end of the paper feed retry order, it determines that there is no paper feed retry request.

The above is an explanation of the preliminary ejection operation control during a paper feed retry in the first embodiment. This control makes it possible to suppress ejection defects caused by increased ink viscosity at the start of printing after successful paper feed in a printing sequence in which a paper feed retry is performed from a cap closed state.

Second Embodiment
During continuous printing when a print command for multiple pages is received, the paper tray may not be able to detect that there is no paper before feeding the next page, which may result in a paper feed failure. In this embodiment, even in such a case, a paper feed retry operation is performed, so that the print command can be completed without requesting the user to replenish paper. The same parts as in the first embodiment are omitted.

Figure 10 shows a flowchart showing an overall picture of the preliminary ejection operation control during paper feed retry during continuous printing according to the second embodiment, and the details of the second embodiment are described below. This flowchart is executed by the control circuit 4000 according to a control program stored in the ROM 4001 or a control program loaded in the RAM 4002.

First, in step S901, the discharge operation status of the previous page is confirmed. If the recording medium of the previous page has passed a predetermined transport path position during the discharge operation of the previous page, it is determined that the feeding operation of the next recording paper can be performed. The predetermined transport path position is the position of a recording medium detection sensor (not shown) that is installed on the transport path downstream of the recording medium detection sensor 47. The recording medium detection sensor (not shown) determines whether or not the predetermined transport path position has been passed.

Next, in S902, the printer starts feeding the next page of recording medium from the paper feed port specified in the received print command, and transports the recording medium into the transport path.

Next, in S903, the recording medium detection sensor 47 arranged in the path determines whether the next page of recording medium has been fed. If the recording medium is detected within a certain period of time from the start of feeding, it is considered a success, and if the recording medium is not detected within a certain period of time from the start of feeding, it is considered a failure.

If the result of the determination in S903 is successful, a first preliminary ejection operation is performed in S904. This first preliminary ejection operation performs the number of preliminary ejections required for each ink color to eject thickened ink immediately before printing begins, suppressing ejection defects at the start of printing. However, ejection of thickened ink is only guaranteed during the elapsed time between this first preliminary ejection operation and the last preliminary ejection during the printing operation of the previous page. If more time has elapsed than expected, the number of preliminary ejections and preliminary ejection time of the first preliminary ejection may not guarantee ejection of thickened ink.

After S904, the printing operation is started in S905, and after the printing operation is completed, the recording paper ejection operation is started in S906.

On the other hand, if the result of the determination in S903 is failure, a determination is made in S907 as to whether or not to perform a paper feed retry based on the paper feed retry determination described in the first embodiment.

Next, if it is determined in S907 that a paper feed retry should be performed, it is determined in S908 whether the time T that has elapsed since the previous preliminary ejection has exceeded a predefined preliminary ejection threshold time Ty. The predefined preliminary ejection threshold time Ty is the time required to eliminate thickening of each ink color with a predefined number of preliminary ejections even when the nozzle surface is exposed with the cap open. In the second embodiment, the predefined preliminary ejection threshold time Ty is described as 2 seconds.

If the time T since the previous preliminary ejection is more than 2 seconds, it is determined that the ink has thickened since the previous preliminary ejection and is in a state of viscosity that inhibits ejection, and in S909, a second preliminary ejection is performed on the cap, and then the process proceeds to S910. For this second preliminary ejection operation, the number of preliminary ejections required to eliminate the thickening of each ink color is set.

If the time T since the previous preliminary ejection does not exceed 2 seconds, it is determined that the ink has thickened since the previous preliminary ejection, but is not in a state of thickening that would impede ejection, and the ink waits on the cap while proceeding to processing of S910.

In S910, it is checked whether the paper feed preparation operation for the paper feed retry has been completed. If the preparation is completed, the paper feed operation is started in S902. If the preparation is not completed, in S908, it is determined again whether the elapsed time T from the previous preliminary ejection has exceeded the default preliminary ejection threshold time Ty.

On the other hand, if it is determined in S907 that a paper feed retry is not to be performed, in S911, a paper feed error is displayed on a UI panel, which is a notification means (not shown) possessed by the recording medium, to notify the user of the paper feed error. This may also be displayed on the host device side. Furthermore, the user may be notified that the paper feed error is due to a jam, no recording medium in the cassette, a mismatch between the recording medium information in the print command and the recording medium contained in the cassette, etc. Then, in S912, the cap close operation is performed.

The paper feed retry determination used in the second embodiment is the same as in the first embodiment, so a description is omitted.

The above is the second embodiment of the preliminary ejection operation control during paper feed retry. With this control, when paper feed retry is performed during continuous printing, it is possible to suppress ejection failures at the start of printing after paper feed is successful.

In the above embodiment, a predetermined preliminary ejection threshold time is used to manage the second preliminary ejection operation at the same timing for all colors, but this is not limited to the above. For example, the preliminary ejection threshold time may be set for each ink color. Also, if the print head configuration has different ejection volumes for the same ink color, the preliminary ejection threshold time may be set individually for each nozzle row.

In addition, in the above embodiment, an example of a recording device that automatically retries paper feeding from the paper feed port is given, but the same effect can be obtained in a recording device that retries paper feeding when the user reloads recording paper after detecting that there is no paper.

3 Carriage 4 Recording head 20 Cap 47 Recording medium detection sensor

Claims (11)

a recording head having nozzles for ejecting ink;
A control unit for controlling the ejection of ink from the recording head;
A cassette for accommodating a recording medium;
a feeding means for performing a feeding operation of feeding a recording medium from the cassette;
a detection means for detecting the recording medium, the detection means being provided in a conveyance path through which the recording medium conveyed by the feeding means passes;
a feeding determination means for determining whether or not the recording medium is being fed based on a detection result of the detection means;
having
The recording head can perform a preliminary ejection for ejecting ink other than ink for recording an image,
When the detection means determines that the recording medium is being fed, the control means causes the recording head to perform a first preliminary ejection;
When the feeding determination means determines that the feeding of the recording medium is not being performed, the feeding means performs a retry operation of feeding the recording medium again,
4. The recording apparatus according to claim 3, wherein said control means causes said recording head to perform a second preliminary ejection before performing said retry operation. The recording device according to claim 1, characterized in that, when the feeding determination means determines that feeding is being performed by the retry operation, the control means causes the recording head to perform the first preliminary ejection. The recording device according to claim 1 or 2, characterized in that, when the retry operation is performed, if the elapsed time since the previous preliminary ejection is a first time, the retry operation is performed without performing the second preliminary ejection, and if the elapsed time is a second time that is longer than the first time, the second preliminary ejection is performed before the retry operation. a retry determination means for determining whether or not to perform the retry operation,
A recording device as described in claim 1, characterized in that when the feeding determination means determines that feeding is not occurring, the retry determination means determines whether or not to perform the retry operation, and when the retry determination means determines that the retry operation is to be performed, the feeding means performs the retry operation. A recording medium storing cassette is provided.
The retry determination means selects a cassette for performing the retry operation based on a predetermined priority order, and compares information on the recording medium in the print command with information on the recording medium accommodated in the selected cassette;
The recording operation described in claim 4, characterized in that when the retry determination means determines that the information of the recording medium in the print command matches the information of the recording medium contained in the selected cassette, the retry operation is performed, and when the retry determination means determines that the information of the recording medium in the print command does not match the information of the recording medium contained in the selected cassette, the retry operation is not performed. The recording device according to claim 5, characterized in that the information about the recording medium is the type of the recording medium. The recording device according to claim 5, characterized in that the information about the recording medium is the size of the recording medium. The recording device according to claim 4, characterized in that the retry determination means determines not to perform the retry operation if there is no recording medium in the cassette. The recording device according to any one of claims 4 to 8, characterized in that the retry determination means determines not to perform the retry operation when the number of times the retry operation has been performed exceeds a predetermined number. The recording device according to claim 1, characterized in that if the retry operation is not performed, a notification means is made to notify the user of an error. a print head having nozzles for ejecting ink and capable of performing preliminary ejection for ejecting ink other than ink for printing an image;
A cassette for accommodating a recording medium;
a feeding means for performing a feeding operation of feeding a recording medium from the cassette;
a detection unit that is provided in a transport path through which the recording medium transported by the feeding unit passes and detects the recording medium,
determining whether or not the recording medium is being fed based on the detection result of the detection means;
When it is determined that the recording medium is being fed, the recording head performs a first preliminary ejection,
When it is determined that the feeding of the recording medium has not been performed, the feeding means performs a retry operation of feeding the recording medium again,
The ejection method according to claim 1, wherein the printhead performs a second preliminary ejection before performing the retry operation.

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