Recording apparatus

The recording device addresses label peeling issues by detecting and retracting the print head from peeling labels, ensuring continuous printing operations and preventing damage.

JP2026036007APending Publication Date: 2026-03-05CANON KK
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-08-20
Publication Date
2026-03-05

AI Technical Summary

Technical Problem

Existing image recording devices using sticker-type label paper fail to effectively detect label peeling, leading to issues like label sticking to the print head, print head damage, and paper jams, which halt printing operations.

Method used

A recording device with a detection unit positioned upstream of the recording head to detect label peeling, a control unit to retract the recording head from the peeling label, and a scanning unit to alternate conveyance and recording operations to prevent label peeling issues.

Benefits of technology

Effectively detects and prevents label peeling, preventing print head damage and paper jams, ensuring continuous printing operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a technique for effectively detecting the peeling of a label in a recording apparatus using a label sheet of a seal type as a recording medium.SOLUTION: A recording apparatus that records an image on a recording medium in which a plurality of labels are temporarily attached to a strip-shaped mount, the recording apparatus including a recording head that records an image on a label in a recordable region, a transport unit that transports the recording medium in a transport direction, a scanning unit that scans the recording head in a direction orthogonal to the transport direction, a detection unit that is disposed upstream of the recording head with a length of the recording head or more in the transport direction and is separated from the recording head, and that detects peeling of the label, and a control unit that alternately executes recording of an image on the recording medium by the recording head scanned by the scanning unit and transport of the recording medium by the transport unit. The recording apparatus includes a control unit, and the control unit determines a retreat target label that retreats a recording head from a recordable area when the detection unit detects the peeling of the label.SELECTED DRAWING: Figure 6
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Description

[Technical Field]

[0001] The present invention relates to a recording device. [Background technology]

[0002] Image recording devices have been proposed that use label paper, which has multiple sticker-type labels temporarily attached to a backing sheet at predetermined intervals, as a recording medium and perform desired printing on each label. In such image recording devices, deterioration of the adhesive on the label strips due to prolonged use can cause the leading edge of the label to peel off from the backing sheet. This can result in problems such as labels sticking to the print head, print head failure due to rubbing, and paper jams, which can cause printing operations to stop.

[0003] As a method for dealing with such label abnormalities, Patent Document 1 (JP 2004-149135 A) uses a sensor to detect the presence or absence of a label on a strip of backing paper. If it detects that there is no label, printing is not performed on that portion of the backing paper, and printing is controlled to resume when the next label being transported is detected.

[0004] Meanwhile, inkjet printers using a serial printing method, which records an image by scanning a print head back and forth across a recording medium, have become widespread as an image recording device. Patent Document 2 (JP 2011-051671 A) proposes avoiding damage to the print head caused by the recording medium in serial printing inkjet printers. Specifically, in serial printers, an optical sensor on the carriage detects the surface condition of the paper. If a condition that differs from normal is detected, the sensor determines that a paper jam may occur, and drives the carriage in the opposite direction from the insertion direction to move it away from above the recording medium. The recording medium is then ejected by a transport roller. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Application Laid-Open No. 2004-149135 [Patent Document 2] Japanese Patent Application Laid-Open No. 2011-051671 Summary of the Invention [Problem to be solved by the invention]

[0006] However, since Patent Document 1 only detects the presence or absence of a label, it cannot detect when a part of the label has peeled off or is lifted, which can result in the label sticking to the print head or rubbing against it.

[0007] In addition, in Patent Document 2, an optical sensor on the carriage detects the surface condition of the paper. Therefore, by the time the surface or higher is detected, the recording paper has already reached a state directly below the carriage. Therefore, even if this technology is applied to a label printer, it is difficult to prevent the label from sticking to or rubbing against the head.

[0008] In particular, in the case of label printers, since the print media is a continuous, long piece, it is not possible to eject only the defective portion. Furthermore, once a jam occurs, the entire print job stops, halting production until the media is restored to its original state. For these reasons, there is a need for improved label peel detection processing in image recording devices that use sticker-type label paper as the recording medium.

[0009] The present invention has been made in view of the above-mentioned problems, and has as its object to provide a technique for effectively detecting peeling of a label in a recording device that uses sticker-type label paper as a recording medium. [Means for solving the problem]

[0010] The present invention employs the following configuration: A recording device that records an image on a recording medium in which a plurality of labels are temporarily attached to a strip-shaped mount, a recording head for recording an image on the label of the recording medium in a recordable area; a conveying unit that conveys the recording medium in a conveying direction; a scanning unit that scans the recording head in a width direction perpendicular to the transport direction; a detection unit that is disposed upstream of the recording head and spaced apart from the recording head by a distance equal to or greater than the length of the recording head in the conveyance direction, and that detects peeling of the label from the recording medium; a control unit that alternately carries out conveyance of the recording medium by the conveyance unit and recording of an image on the label by the recording head scanned by the scanning unit; Equipped with the control unit, when the detection unit detects peeling of the label, determines a label to be removed, which is a target for removing the recording head from the recordable area. The recording device is characterized by the above. [Effects of the Invention]

[0011] According to the present invention, it is possible to provide a technique for effectively detecting peeling of a label in a recording device that uses sticker-type label paper as a recording medium. [Brief explanation of the drawings]

[0012] [Figure 1] FIG. 1 is a perspective view illustrating the internal configuration of an image recording apparatus to which the present invention can be applied. [Figure 2] Illustration of label paper used as recording medium [Figure 3] FIG. 1 is a block diagram illustrating a control configuration of an image recording apparatus according to an embodiment of the present invention. [Figure 4A] FIG. 1 is a simplified side view of an image recording apparatus according to an embodiment of the present invention. [Figure 4B] FIG. 10 is a simplified side view of another example of the image recording apparatus according to the embodiment. [Figure 4C] FIG. 10 is a simplified side view of another example of the image recording apparatus according to the embodiment. [Figure 5] 10 is a screen displayed when printing of label pieces is avoided in the embodiment. [Figure 6] Processing flow when peeling of label piece is detected in the embodiment [Figure 7] FIG. 10 is an explanatory diagram of another example of label paper used as a recording medium. DETAILED DESCRIPTION OF THE INVENTION

[0013] [Example 1] A detailed description of Example 1 of the present invention will be given below with reference to the drawings. However, the dimensions, materials, shapes, and relative positions of the components described in the following examples should be appropriately changed depending on the configuration of the device to which the present invention is applied and various conditions. Therefore, unless otherwise specified, they are not intended to limit the scope of the present invention. Although multiple features are described in the examples, not all of these multiple features are necessarily essential to the invention, and multiple features may be combined in any desired manner.

[0014] FIG. 1 is a perspective view illustrating the internal configuration of an image recording device 100 (recording device) that can be used in the present invention. A carriage 101 is equipped with a recording head 102 that ejects ink in accordance with recording data, and a carriage motor encoder 103 that detects the position of the carriage. The carriage 101 scans back and forth in the X direction on a shaft 105 as a carriage belt 104 rotates due to the rotation of a carriage motor 106. At this time, the carriage motor encoder 103 detects slits in a carriage motor linear scale 107 that is installed parallel to the shaft 105, thereby detecting the direction, position, and speed of carriage movement. The carriage 101 may be considered as a scanning unit that scans the print head 102 in the width direction perpendicular to the transport direction.

[0015] Meanwhile, the recording medium 108 is fixed to a recording medium roll shaft 116 and is transported in the Y direction by a transport roller 109. The transport roller 109 rotates in conjunction with the rotation of a transport belt 111 caused by the rotation of a transport motor 110. At this time, the direction, position, and speed of the transport operation can be detected by detecting slits in a transport motor wheel-type scale 112 attached to the shaft of the transport roller 109 with a transport motor encoder 113. The transport roller 109 and transport motor 110 constitute a transport unit that transports the recording medium in the longitudinal direction (transport direction). If the recording medium 108 is roll paper, the sheet is set in the device in a wound state and is pulled out from the roll as recording progresses.

[0016] A label detection sensor 117 (detection unit) that detects the label position on the recording medium 108 and the peeled state of the label is installed at a position upstream of the recording head 102 in the conveyance direction F on the conveyance path of the recording medium 108.

[0017] The area on the recording medium 108 supported in the Z direction by the platen 114 is the recording area by the recording head 102. During a recording operation, the recording medium 108 is transported to a predetermined position by the transport rollers 109, and the recording head 102 mounted on the carriage 101 performs one recording scan. That is, the recording head 102 ejects ink toward the recording medium 108 at an appropriate timing according to the print data as the carriage 101 moves in the X direction. In this embodiment, the arrangement direction of the multiple label pieces 203 is the Y direction, which coincides with the transport direction F. The longitudinal direction of the rolled recording medium 108 is also the Y direction, and the width direction perpendicular to the longitudinal direction is the X direction.

[0018] When one print scan is completed, the transport roller 109 transports the print medium 108 a predetermined amount in the Y direction (transport direction F in this embodiment), and the area of ​​the print medium 108 where the next print scan is to be performed is positioned on the platen 114. By alternately repeating such print scans and transport operations, an image is formed stepwise on the print medium 108. The printable area 120 is an area where the print head 102 can print an image. In the illustrated example, the printable area 120 is the area through which the print head 102 passes in one pass, and its width in the width direction is shorter than the width of the platen 114, and its length in the transport direction is the area through which the print head 102 can print an image in one scan. The printable area 120 is within a range where an image can be formed. Label pieces 203 on recording media are sequentially sent to the printable area 120. On the other hand, the print head retraction area 115 (retraction area) is located outside the transport path of the recording medium 108, and is an area where maintenance operations for the print head 102 and protective capping are performed.

[0019] Figure 2 is an explanatory diagram of label paper 201 used as recording medium 108 in the present invention. As shown in Figure 2(a), label paper 201 is a roll-shaped recording medium. Figure 2(b) is an enlarged view of a portion of label paper 201. Multiple label pieces 203 are temporarily attached to a label mount 202, with equal spacing between each label piece and margins 204 between each label piece in the conveying direction F.

[0020] 3 is a block diagram illustrating the control configuration of the inkjet image recording apparatus 100 employed in this embodiment. A CPU 301, which functions as a control unit, performs various arithmetic processing and overall control of the image recording apparatus 100 in accordance with control programs, parameters, and various tables stored in a ROM 306. A RAM 304 is used as a working area for this processing.

[0021] Image data sent from an externally connected host computer 300 is The image data is input to CPU 301 via an interface. CPU 301 converts the received image data into print data that can be used by image recording device 100, i.e., into print signals for each color, and stores this in print buffer 303. In accordance with instructions from CPU 301, transport motor driver 308 drives transport motor 110, which provides the force for transporting label paper 201, and the operating direction, position, and speed of transport motor 110 are detected by transport motor encoder 113.

[0022] A carriage motor driver 309 drives a carriage motor 106, which provides the moving force for the carriage 101, in accordance with instructions from the CPU 301, and the direction, position, and speed of the carriage motor 106 are detected by a carriage motor encoder 103. Furthermore, a head driver 310 drives the print head 102 based on print data stored in a print buffer 303 in accordance with instructions from the CPU 301, and prints an image by ejecting ink.

[0023] The EEPROM 305 stores information such as the head length in the transport direction, the label piece length, and the label margin length. The head length is a specified value that is determined in advance. The label piece length and the label margin length are set from the host computer 300 or from the UI of the image recording device 100. Alternatively, they may be calculated from the output information of the label detection sensor 117.

[0024] When notifying the user that an abnormal operation has occurred or when guiding the user to an operation, characters or images are displayed on the display device 302.

[0025] Next, the detection of label peeling from the recording medium 108 and the subsequent processing operations executed by the CPU 301 of this embodiment will be described.

[0026] 4A is a simplified side view of image recording device 100 according to an embodiment of the present invention. This figure shows a case where head length 401 is shorter than the sum of label piece length 403 and margin length 404. Label piece length 403 and margin length 404 are both lengths in the conveyance direction F.

[0027] The label paper 201 is placed in a roll on the recording medium roll shaft 116. The label paper 201 is pulled out from the roll and transported toward the recording head 102 by the drive of the transport motor 110. The label detection sensor 117 is installed upstream of the recording head 102 on the transport path of the label paper 201, at a position (= sensor position 402) that is at least the head length 401 in the transport direction away from the upstream end of the recording head 102. This is the distance required for the recording head 102 to retreat to the recording head retreat area 115 after the label detection sensor 117 detects peeling.

[0028] This label detection sensor 117 is, for example, a line image sensor or an optical sensor. The label detection sensor 117 detects the position of the leading edge of the label piece 203 (the position of the downstream end in the conveying direction F) and whether or not the label piece 203 has peeled off, based on the difference in sensor output values ​​between the surface of the label mount 202 and the surface of the label piece 203. This sensor may be configured to detect both the leading edge position and peeling off with one sensor, or may be configured with separate sensors for each.

[0029] When the label detection sensor 117 detects the peeling of the label piece 203 and the corresponding position, it acquires information on the head length 401, label piece length 403, and margin length 404 stored in the EEPROM 305. Then, from this information, it determines the range of the label piece 203 from which the recording head 102 should be retracted. The method for determining the label piece 203 from which the recording head 102 should be retracted will be described later.

[0030] Based on the result of the determination, CPU 301 completes the printing operation on the label piece 203 immediately preceding the label piece 203 at the head of the target to be retracted. After that, CPU 301 instructs carriage motor 106 to drive, and print head 102 moves to print head retraction area 115 outside the transport path of label paper 201.

[0031] After the label piece 203 to be evacuated passes the scanning position of the recording head 102 by driving the conveying motor 110, normal recording operation is resumed for the next normal label piece 203 that has been conveyed to the scanning position of the recording head 102.

[0032] Fig. 5 is an image of an image 510 that notifies the user that printing of a label piece has been avoided. When a label piece has been evacuated, the user is notified by displaying a message on the display device 302 that printing of a label piece has been avoided, as shown in Fig. 5. Alternatively, information may be transmitted to the host computer 300, which then displays the message that printing of a label piece has been avoided.

[0033] The following describes a method for determining the range of the label piece 203 that should be evacuated. As mentioned above, Fig. 4A shows a case where the head length 401 is shorter than the sum of the label piece length 403 and the margin length 404. In this case, when recording on the label piece 203B immediately before the label piece 203A for which peeling has been detected or the label piece 203C immediately after, the label piece 203A does not enter the scanning range of the head. Therefore, only the label piece 203A for which peeling has been detected is determined to be the label piece to be evacuated.

[0034] FIG. 4B is a simplified side view of the image recording device 100 when the head length 401 is longer than the sum of the label piece length 403 and the margin length 404.

[0035] If head length 401 is longer than the sum of label piece length 403 and margin length 404, label piece 203A will enter the scanning range of print head 102 even when printing on label piece 203B just before label piece 203A for which peeling was detected. Therefore, label piece 203A and label piece 203B are determined to be label pieces to be retracted. If the label pieces are even smaller, the integer N calculated by the following formula (1) is used to determine that the label piece N sheets before label piece 203A for which peeling was detected, up to label piece 203A, are to be retracted. N*(label piece length 403 + margin length 404)<head length≦(N+1)*(label piece length 403 + margin length 404) (1)

[0036] In the examples so far, the labels determined to be eligible for evacuation are limited to label piece 203A, which has been detected as peeled, and any label pieces in front of label piece 203A. However, depending on the shape of the head, label pieces located behind label piece 203A, which has been detected as peeled, may also be included in the evacuation targets.

[0037] Fig. 6 is a flowchart illustrating the processing steps when peeling of a label piece is detected in this embodiment. That is, Fig. 6 is a flowchart including the above-mentioned determination of the label to be evacuated when peeling of the label piece 203 is detected by the label detection sensor 117. The processing of each step is basically executed by the CPU 301.

[0038] (Step S601) CPU 301 compares head length 401 with label piece length 403 + margin length 404. The comparison results are: (A) head length < label piece length + margin length; (B) head length < label piece length + margin length; In the case of (A), go to step S602, and in the case of (B), Proceed to step S603.

[0039] (Step S602) (A) If the label piece length 403 plus the margin length 404 is longer than the head length 401, the CPU 301 determines that the label piece to be evacuated is the label piece 203A whose peeling has been detected. It is determined that this is the case.

[0040] (Step S603) (B) If the label piece length 403 + the margin length 404 is equal to or less than the head length 401, the CPU 301 Head length ÷ (Label length 403 + Margin length 404) Calculate the above and round down to the nearest integer to obtain N.

[0041] (Step S604) The CPU 301 determines that the label pieces to be evacuated are from the label piece 203A in which peeling was detected to the N previous label pieces derived in S603.

[0042] (Step S605) Before the leading label piece to be evacuated reaches the scanning position of the print head as the printing means, the printing means is evacuated to the evacuation area.

[0043] (Step S606) After the label piece to be evacuated has passed the scanning position of the recording means, normal recording operation is resumed.

[0044] According to the configuration of this embodiment described above, the range of the label piece 203 to be retracted can be appropriately determined according to the lengths of the label piece 203 and the margin 204. Therefore, problems caused by the influence of peeling off of the label piece can be prevented.

[0045] [Example 2] Next, we will explain Example 2. We will mainly explain the differences from Example 1, and will omit explanations of similarities. Example 2 is a case of multiple pass printing. That is, in Example 2, the carriage 101 can move multiple times in the Y direction, and printing is performed in each of the multiple passes.

[0046] When multiple scans are performed as in this embodiment, even if the head length 401 is shorter than the label piece length 403 + margin length 404, as shown in Figure 4C, the head may enter the range of the label piece 203A where peeling is detected when printing the previous label piece 203B.

[0047] In view of this, in this embodiment, the CPU 301 determines that not only the label piece 203A in which peeling has been detected, but also the previous label piece 203B should be removed, thereby preventing problems caused by peeling label pieces even in a multi-pass printing device.

[0048] [Example 3] Next, a third embodiment will be described. Differences from the above-described embodiments will be mainly described, and similarities will not be described. In the above-described embodiments, label paper 201 with label pieces 203 arranged at equal intervals was used, as shown in FIG. 2. In the third embodiment, a continuous strip of label paper 702 with perforations 703 at equal intervals is used as the recording medium for image recording device 100, as shown in FIG.

[0049] In this case, there is no inter-label margin, so the CPU 301 determines the range of labels to be evacuated by comparing the head length with the spacing 704 between perforations 703 in the conveying direction F. In this case, the determination in step S601 in the first embodiment is replaced with a determination to select either (A') head length < perforation spacing length, or (B') head length ≥ perforation spacing length. The subsequent processing is the same as in the flow in Figure 6.

[0050] (Variation) In addition, the label sheet 201 is a printing medium in which label pieces 203 are arranged at equal intervals. However, it is also possible to determine which label pieces to evacuate based only on the relationship between the head length and the label length, without taking into account the margins between the label pieces. In this case, the determination process by the CPU 301 can be simplified.

[0051] As described above, each embodiment of the present disclosure detects peeled label pieces and their location, and can retract the print head to a retraction area outside the label paper width before the corresponding label piece reaches directly below the print head. That is, before the label to be retracted reaches the print head's scanning position, the print head is moved to the outside of the print medium to interrupt the printing operation, and the printing operation is resumed after the label to be retracted passes the print head's scanning position. This prevents problems such as peeled label pieces sticking to or rubbing against the print head, and allows printing on the next normal label piece to continue without interrupting the flow of label printing. In this way, problems and breakdowns that may occur due to peeled labels can be prevented and productivity losses can be minimized.

[0052] [Configuration 1] A recording device that records an image on a recording medium in which a plurality of labels are temporarily attached to a strip-shaped mount, a recording head for recording an image on the label of the recording medium in a recordable area; a conveying unit that conveys the recording medium in a conveying direction; a scanning unit that scans the recording head in a width direction perpendicular to the transport direction; a detection unit that is disposed upstream of the recording head and spaced apart from the recording head by a distance equal to or greater than the length of the recording head in the conveyance direction, and that detects peeling of the label from the recording medium; a control unit that alternately carries out conveyance of the recording medium by the conveyance unit and recording of an image on the label by the recording head scanned by the scanning unit; Equipped with the control unit, when the detection unit detects peeling of the label, determines a label to be removed, which is a target for removing the recording head from the recordable area. A recording device characterized by: [Configuration 2] the control unit suspends recording of the image and moves the recording head to the outside of the area where the recording medium is transported before the label to be evacuated is transported to the recordable area of ​​the recording head, and resumes recording of the image on the label after the label to be evacuated has passed the recordable area of ​​the recording head. 2. The recording device according to configuration 1. [Configuration 3] the recording medium is one in which the plurality of labels are arranged with margins in the conveying direction, the control unit determines the label to be evacuated using a length of the recording head in the transport direction, a label length of the label, and a margin length between the plurality of labels. 3. The recording device according to configuration 1 or 2. [Configuration 4] When the length of the recording head in the transport direction is shorter than the sum of the label length and the margin length, the control unit determines only the label for which peeling has been detected as the label to be evacuated, and when the length of the recording head is equal to or longer than the sum of the label length and the margin length, the control unit also determines the label that is downstream in the transport direction from the label for which peeling has been detected as the label to be evacuated. 4. The recording device according to configuration 3. [Configuration 5] the control unit calculates a value N by dividing the length of the recording head by the sum of the label length and the margin length, and rounding down the decimal point; Among the labels between the recording head and the label whose peeling has been detected, 5. The recording device according to configuration 4, wherein N labels from the side closest to the label where the detection is detected are set as the labels to be removed. [Configuration 6] Even if the length of the recording head in the transport direction is shorter than the sum of the label length and the margin length, when the scanning unit scans the recording head in the width direction multiple times during image recording, the control unit also determines that the label arranged one sheet before the label whose peeling has been detected in the transport direction is also the label to be removed. 5. The recording device according to configuration 4. [Configuration 7] the recording medium has the plurality of labels arranged in the conveying direction, the control unit determines the label to be evacuated using the length of the recording head in the transport direction and the label length of the label. 3. The recording device according to configuration 1 or 2. [Configuration 8] When the length of the recording head is shorter than the label length in the transport direction, the control unit determines only the label for which peeling has been detected as the label to be evacuated, and when the length of the recording head is equal to or longer than the label length, the control unit also determines the label located downstream in the transport direction from the label for which peeling has been detected as the label to be evacuated. 8. The recording device according to configuration 7. [Configuration 9] the control unit calculates a value N by dividing the length of the recording head by the label length and rounding down the decimal point; 9. The recording device according to configuration 8, wherein, of the labels between the recording head and the label whose peeling has been detected, N labels closest to the label whose peeling has been detected are set as the labels to be removed. [Configuration 10] the control unit, even if the length of the recording head in the transport direction is shorter than the label length, determines that the label arranged immediately before the label whose peeling has been detected in the transport direction is also the label to be evacuated when the scanning unit scans the recording head in the width direction multiple times during image recording. 9. The recording device according to configuration 8. [Configuration 11] The recording medium is a roll of paper on which a sheet is wound. 11. The recording device according to any one of configurations 1 to 10. [Configuration 12] The detection unit is an optical sensor. 12. The recording device according to any one of configurations 1 to 11. [Explanation of symbols]

[0053] 101: Carriage, 102: Recording head, 108: Recording medium, 109: Conveying roller, 117: Label detection sensor, 203: Label, 301: CPU

Claims

1. A recording device that records an image on a recording medium in which a plurality of labels are temporarily attached to a strip-shaped mount, a recording head for recording an image on the label of the recording medium in a recordable area; a conveying unit that conveys the recording medium in a conveying direction; a scanning unit that scans the recording head in a width direction perpendicular to the transport direction; a detection unit that is disposed upstream of the recording head and spaced apart from the recording head by a distance equal to or greater than the length of the recording head in the conveyance direction, and that detects peeling of the label from the recording medium; a control unit that alternately carries out conveyance of the recording medium by the conveyance unit and recording of an image on the label by the recording head scanned by the scanning unit; Equipped with the control unit, when the detection unit detects peeling of the label, determines a label to be removed, which is a target for removing the recording head from the recordable area. A recording device characterized by:

2. the control unit suspends recording of the image and moves the recording head to the outside of the area where the recording medium is transported before the label to be evacuated is transported to the recordable area of ​​the recording head, and resumes recording of the image on the label after the label to be evacuated has passed the recordable area of ​​the recording head.

2. The recording apparatus according to claim 1, wherein the recording apparatus is a recording medium.

3. the recording medium is one in which the plurality of labels are arranged with margins in the conveying direction, the control unit determines the label to be evacuated using a length of the recording head in the transport direction, a label length of the label, and a margin length between the plurality of labels.

3. The recording apparatus according to claim 1, wherein the recording apparatus is a recording apparatus having a recording head.

4. When the length of the recording head in the transport direction is shorter than the sum of the label length and the margin length, the control unit determines only the label for which peeling has been detected as the label to be evacuated, and when the length of the recording head is equal to or longer than the sum of the label length and the margin length, the control unit also determines the label that is downstream in the transport direction from the label for which peeling has been detected as the label to be evacuated.

4. The recording apparatus according to claim 3.

5. the control unit calculates a value N by dividing the length of the recording head by the sum of the label length and the margin length, and rounding down the decimal point; 5. The recording device according to claim 4, wherein, of the labels between the recording head and the label whose peeling has been detected, N labels from the side closest to the label whose peeling has been detected are set as the labels to be removed.

6. Even if the length of the recording head in the transport direction is shorter than the sum of the label length and the margin length, when the scanning unit scans the recording head in the width direction multiple times during image recording, the control unit also determines that the label arranged one sheet before the label whose peeling has been detected in the transport direction is also the label to be removed.

5. The recording apparatus according to claim 4, wherein:

7. the recording medium has the plurality of labels arranged in the conveying direction, the control unit determines the label to be evacuated using the length of the recording head in the transport direction and the label length of the label.

3. The recording apparatus according to claim 1, wherein the recording apparatus is a recording apparatus having a recording head.

8. When the length of the recording head is shorter than the label length in the transport direction, the control unit determines only the label for which peeling has been detected as the label to be evacuated, and when the length of the recording head is equal to or longer than the label length, the control unit also determines the label located downstream in the transport direction from the label for which peeling has been detected as the label to be evacuated.

8. The recording apparatus according to claim 7, wherein:

9. the control unit calculates a value N by dividing the length of the recording head by the label length and rounding down the decimal point; 9. The recording device according to claim 8, wherein, of the labels between the recording head and the label whose peeling has been detected, N labels from the side closest to the label whose peeling has been detected are set as the labels to be removed.

10. the control unit, even if the length of the recording head in the transport direction is shorter than the label length, determines that the label arranged one sheet before the label whose peeling has been detected in the transport direction is also the label to be evacuated when the scanning unit scans the recording head in the width direction multiple times during image recording.

9. The recording apparatus according to claim 8.

11. The recording medium is a roll of paper on which a sheet is wound.

3. The recording apparatus according to claim 1, wherein the recording medium is a recording medium.

12. The detection unit is an optical sensor.

3. The recording apparatus according to claim 1, wherein the recording medium is a recording medium.

Citation Information

Patent Citations

  • Label printer and print control method thereof

    JP2004149135A

  • Ink jet recording device

    JP2011051671A