WO2004091917A1 - 液体吐出装置、液体吐出システム、及び、液体吐出方法 - Google Patents
液体吐出装置、液体吐出システム、及び、液体吐出方法 Download PDFInfo
- Publication number
- WO2004091917A1 WO2004091917A1 PCT/JP2004/005329 JP2004005329W WO2004091917A1 WO 2004091917 A1 WO2004091917 A1 WO 2004091917A1 JP 2004005329 W JP2004005329 W JP 2004005329W WO 2004091917 A1 WO2004091917 A1 WO 2004091917A1
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- WIPO (PCT)
- Prior art keywords
- liquid
- sensor
- medium
- printing paper
- light
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0065—Means for printing without leaving a margin on at least one edge of the copy material, e.g. edge-to-edge printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/008—Controlling printhead for accurately positioning print image on printing material, e.g. with the intention to control the width of margins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0095—Detecting means for copy material, e.g. for detecting or sensing presence of copy material or its leading or trailing end
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J19/00—Character- or line-spacing mechanisms
- B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
- B41J19/20—Positive-feed character-spacing mechanisms
- B41J19/202—Drive control means for carriage movement
Definitions
- the present invention relates to a liquid ejection apparatus, a liquid ejection system, and a liquid ejection method.
- the present invention relates to a liquid discharge device, a liquid discharge system, and a liquid discharge method.
- This color ink jet printer has a print head as an example of an ink jet type discharge head that discharges ink as an example of a liquid from a nozzle. It is configured to record images, characters, etc. by discharging ink on printing paper as an example of a medium.
- the print head is supported by the carriage in a state where the nozzle surface on which the nozzle is formed is opposed to the print paper, and extends in the width direction of the print paper along the guide member. It moves (main running ⁇ ) and discharges ink in synchronization with the main running ⁇ .
- borderless printing In recent years, color inks that can be printed on the entire surface of printing paper, so-called borderless printing, have been used for reasons such as obtaining the same image output results as photographs. Jet printers are gaining in popularity. With borderless printing, for example, it is possible to print by ejecting ink to the four edges of the printing paper without any blank spaces.
- a sensor is used to detect the edge of the printing paper. It is also effective to detect the position and change the start position and the end position for discharging ink according to the position of the detected end.
- Fig. 16 is a schematic diagram showing the positional relationship between the light emitting spots of the left and right edge detection sensors and the printing paper
- Fig. 17 shows the left and right edge detection at the position of the light emitting spot of the left and right edge detection sensors.
- FIG. 9 is an explanatory diagram for explaining a positional shift.
- the light emitting spots of the edge detection sensor (here, for detecting the left and right edges) of the printing paper P block the edges of the printing paper P while moving in the main scanning direction.
- Edges are detected by referring to (threshold).
- the spot Area at point 2 is half of the area at point 1). That is, in the detection of the left and right ends of the ⁇ portion at the upper and lower ends of the printing paper shown in the spot position 2, the light shielding area of the printing paper as in the spot position 1 is reached, and the threshold value is further increased. It is necessary to move in the main scanning direction (inside the printing paper).
- the spot size is 1 (indicated by a broken line circle) in the printing paper ⁇ and the same light shielding area (threshold value). ) Further, referring to FIG.
- the spot position 1 in other words, at the position not including the upper and lower ends of the printing paper P in the paper feeding direction of the printing paper P, the printing paper P
- the spot position 2 in other words, at the position including the upper and lower ends of the printing paper P in the paper feeding direction of the printing paper P, the same position as the end position PE in the main scanning direction of the printing paper P is used. Even if the light emission spot arrives, the amount of light received by the edge detection sensor does not reach the determination threshold as described above.
- the edge detection sensor moves in the main scanning direction, that is, when the light emitting spot moves in the main scanning direction and the amount of light received by the edge detection sensor increases, the end of the printing paper is detected.
- the amount of light received by the edge detection sensor reaches the determination threshold value, and this position is erroneously recognized as the edge position of the printing paper P.
- the left and right edges are detected to be shifted inside the printing paper P, and the ink discharge start position and end position are determined based on the detected left and right edge positions. Since the position is determined, ink is not ejected to this portion, that is, a blank is generated in this portion.
- the present invention has been made in view of the above problem, and a purpose thereof is to provide a liquid discharge apparatus, a liquid discharge system, and a liquid discharge apparatus that can appropriately set a liquid discharge start / end position.
- the main invention is a liquid ejection device for ejecting a liquid
- a feeding mechanism for feeding the medium for feeding the medium
- a position determining control for determining at least one of a start position and an end position at which the liquid is discharged from the discharging head to be moved is executed.
- the position determination control by the lu controller differs between and.
- Another main aspect of the present invention is a liquid ejection system
- a feeding mechanism for feeding the medium for feeding the medium
- a liquid ejection device having
- a liquid discharge system wherein the controller controls the control of the position of the liquid crystal when the liquid is discharged from the controller.
- Another main aspect of the present invention is a liquid discharging method for discharging a liquid
- Executing position determination control for determining at least one of a start position and an end position for discharging the liquid from the moving discharge head on the transported medium
- the ilL placement determination control differs between when discharging and when discharging.
- FIG. 1 is a block diagram showing a configuration of a printing system as an example of the present invention.
- FIG. 2 is a block diagram showing an example of a main configuration of the color ink jet printer 20.
- FIG. 3 is a schematic diagram for explaining an example of the reflection type optical sensor 29.
- FIG. 4 is a diagram showing a configuration around the carriage 28 of the ink jet printer.
- Figure 5 shows a linear encoder installed on carriage 28
- FIG. 2 is an explanatory diagram schematically showing the configuration of 11.
- FIG. 6 is a timing chart showing waveforms of two output signals of the linear encoder 11 during forward and reverse rotations of the CR motor.
- FIG. 7 is a block diagram showing an example of the electrical configuration of the color ink V top V center 20
- FIG. 8 is an explanatory diagram showing the nozzle arrangement on the lower surface of the print head 36.
- FIG. 9 is a diagram schematically illustrating a positional relationship between the printing head 36, the reflection type optical sensor 29, and the printing paper P.
- FIG. 10 is a flow chart for explaining the first embodiment.
- FIG. 11 is an explanatory diagram for explaining how to obtain the ink discharge start position and the ink discharge end position.
- FIG. 12 is a schematic diagram for clarifying the position ft of the printing paper P by one in order to determine whether or not the control for determining the left and right end positions of the printing paper P by the reflection type optical sensor 29 can be performed.
- Figure 13 is a flow chart to explain the second embodiment o
- Fig. 14 is an explanatory diagram showing the external configuration of the computer system.
- Fig. 15 shows the configuration of the computer system shown in Fig. 14. ⁇
- FIG. 16 is a schematic diagram illustrating a positional relationship between the light emitting spots of the left and right edge detection sensors of the printing paper P and the printing paper P.
- FIG. 17 is an explanatory diagram for explaining a shift of the left and right edge detection due to the position of the light emitting spot of the left and right edge detection sensor of the printing paper P. Legends of main symbols used in the drawings are shown below.
- a liquid discharging device for discharging a liquid for discharging a liquid
- a movable ejection head for ejecting the liquid
- a component for executing position determination control for determining at least one of a start position and an end position at which a liquid is ejected from a moving ejection head to the medium fed by the feeding mechanism.
- the iij sensor is movable together with the ejection head, and when ejecting a liquid from the ejection head to a central region in a feeding direction of the recording medium, the controller is configured to operate with the controller. Based on the position of the end detected by the U sensor during the movement,
- the position of the sensor base that determines one of the start position and the end position of the liquid to be ejected from the ejection head and the displacement force is determined, and the medium feeding direction is determined.
- the m ⁇ t ⁇ executes the position determination control of the sensor base. You can do that.
- the position determination control of the sensor base is not executed, so that the medium is applied to the medium. It is possible to avoid making a margin by mistake.
- the senor is movable together with the ejection head, and when ejecting the liquid from the ejection head to a central region in the feeding direction of the medium, the controller is movable. And determining at least one of a start position and an end position at which the liquid is discharged from the discharge head in the next movement based on the position of the end detected by the sensor inside.
- the controller sets the start position.
- the end position may be a predetermined position.
- the controller performs the start based on the position of the end detected when the position determination control is being performed.
- the position or the end position may be determined. In this way, the start position or the end position can be determined from the minimum information on the position of the end detected in the past.
- the controller may execute the position determination control, and may detect the positions of the plurality of ends detected when performing the position determination control.
- the start position or the start position is determined based on the medium feed amount after the position of the medium is detected.
- the controller is configured to detect the position of one of the ends detected when the position determination control is being performed;
- the start position or the end position may be determined based on the amount of feeding of the medium since the position of the medium is detected and the predicted maximum inclination angle of the medium. Good. In this way, it is possible to more accurately determine the appropriate start position or end position.
- the controller may control the position of one of the edges detected when performing the position determination control, and
- the start position or the end position may be determined based on width length and. This makes it possible to more accurately determine the appropriate start position or end position.
- the liquid may be ejected to the entire surface of the medium.
- the advantage of the above means is further increased because the liquid is also ejected to the end of the medium.
- the sensor further includes: a light emitting unit for emitting light; and a light receiving sensor for receiving the light moving in the main scanning direction according to the movement of the light emitting unit in the main scanning direction.
- the position of the end is detected based on a change in the output value of the light receiving sensor caused by the light emitted by the light emitting unit moving in the main running direction crossing the end. It may be. This makes it possible to detect the position of the end more easily.
- the senor may be provided on a movable member having the discharge head and being movable. In this way, the moving mechanism for the moving member and the sensor can be shared.
- the light emitted by the light emitting means moving in the running direction detects the position of the end based on a change in the output value of the light receiving sensor caused by blocking the end. Even if the liquid is discharged from the discharge port at the same time. In this way, efficient operation of the liquid ejection device can be realized.
- the liquid is an ink
- the liquid ejecting apparatus is an apparatus that prints on the printing medium as the medium by ejecting ink from a tu ejection head. You may do so. In such a case, it is possible to realize a printing apparatus having the above-described effects.
- the ⁇ discharge ink discharges ink over the entire surface of the ⁇ body, and the
- a light-receiving sensor for receiving the U-recording light.
- the light emitted from the light emitting section moving in the main scanning direction detects the position of the IJB end based on a change in the output value of the light receiving sensor caused by blocking the light.
- the eye UB outlet is detected by the moving J sensor. Based on the position, the ink is discharged from the source to the discharge in the next movement.
- the controller When performing position determination control of a sensor base for determining one of them, when discharging ink from the discharge head to an area within a predetermined range from the front end or the rear end in the medium feeding direction, The controller may set the start position or the end position to a predetermined position.
- a liquid ejection system comprising: (a) a computer main body; and (b) a liquid ejection device for ejecting a liquid, the movable ejection head for ejecting the liquid. Feed for sending media ⁇ ta *
- a liquid ejecting apparatus having a control ⁇ which executes the position determination control of the above, and a liquid ejecting apparatus having a liquid ejecting head having a liquid ejecting head in an area within a predetermined range from a leading end or a trailing end of the recording medium.
- a liquid ejection system wherein the controller determines the position of the medium when the liquid is ejected, and when the medium is ejected, and when the liquid is ejected from the source.
- a liquid method for ejecting liquid which is a method for ejecting a liquid, includes a step of transporting a medium, and a discharge from a source to a moving ejection with respect to the transported medium.
- One of the start position and the end position A step of executing position determination control for starting the discharge, a step of starting discharge of the liquid of the discharge head at the start position, and a step of starting the discharge head at the end position.
- Fig. 1 is a block diagram showing the configuration of a printing system as an example of a liquid ejection system.
- This printing system is a computer 90 and an example of a liquid ejection device.
- the printing system including the power input printer 20 and the printer 90 is a broadly-defined ⁇ .
- the above computer 90 ⁇ the above color ink jet printer can be referred to as “liquid ejection device”.
- drive device such as drive device, computer system is configured.
- an application program 95 is operated under a predetermined operating system.
- the operating system incorporates a video dryer 91 and a printer driver 96, which can be used in application programs.
- print data PD to be transferred to the color ink jet printer 20 is output via these drivers.
- An application program 95 for performing image retouching, etc. performs desired processing on the image to be processed, and displays the image on the CRT 21 via a video / dry nose 91. are doing.
- the printer driver 96 of the computer 90 receives image data from the application program 95 and receives it. Convert to print data PD to be supplied to the color ink printer 20.
- a resolution conversion module 97 Inside the printer driver 96, a resolution conversion module 97, a color conversion module 98, a neutral tone module 99, a rasterizer 100, and a user interface display module 10 1, a UI printing interface module 102, and a color conversion look-up table LUT.
- Resolution conversion module 9 7 serves to convert the application Kesho Npuro grams 9 5 color image data formed by the resolution to the print resolution.
- the resolution-converted image data is still image information consisting of three RGB color components.
- the color conversion module 98 refers to the color conversion look-up table LUT and converts the RGB image data for each pixel into a plurality of ink colors that can be used by the color ink jet printer 20. Multi-tone day To data.
- the color-converted multi-tone data has, for example, 256 tone values.
- the halftone module 99 performs halftone processing to generate halftone image data.
- the halftone image data is rearranged by the rasterizer 100 in the order of data to be transferred to the color ink printer 20, and output as final print data PD.
- the print data PD includes raster data indicating a dot formation state during each main scan, and data indicating a sub-scan feed amount.
- TJ module 101 displays various user interface windows related to printing, and receives user input in those windows. O Has functions and
- the UI print interface module 102 has the function of interfacing between the user interface (UI) and the power interface printer.
- the command interpreted by the user through the user interface is transmitted, and various commands COM are sent to the color ink jet printer, or conversely, received from the color ink jet printer. It interprets the command COM and performs various displays on the user interface.
- the printer driver 96 realizes a function of transmitting and receiving various commands COM, a function of supplying print data PD to the color inkjet printer 20, and the like.
- a program for realizing the function of the printer driver 96 is supplied in a form recorded on a computer-readable recording medium. Examples of such a recording medium include a flexible disk, a CD-ROM, a magneto-optical disk, an IC card, a ROM cartridge, a non-card, a bar code, and the like. Code printed on the inside of the computer
- Various computer-readable media such as a storage device (memory such as RAM and ROM) and an external storage device, can be used. It is also possible to download such a computer program to a computer 90 via the Internet.
- FIG. 2 is a schematic perspective view showing an example of a main configuration of the color ink jet printer 20.
- the color ink jet printer 20 has a paper staple force 22, a paper feed roller 24 driven by a step motor (not shown), and a paper engine for detecting the feeding of the printing paper P.
- a traction belt 32 driven by a Vedge motor 30 and a carrier
- the guide rails 34 for the Vedge 28 are provided.
- the carriage 28 is equipped with a nozzle with a number of nozzles and a printing head as an example of a rod.
- a reflection type optical sensor 29 as an example of a detecting means described later in detail.
- the printing paper P is wound up by the paper feed roller 24 from the paper staple force 22 and is sent on the surface of the platen 26 in the paper feeding direction (hereinafter also referred to as the sub-scanning direction).
- Carriage 28 is a carrier
- the running direction is defined as two directions perpendicular to the sub-scanning direction.
- the paper feeding operation for supplying the printing paper P to the color inkjet printer 20 and the paper discharging operation for discharging the printing paper P from the color shutter printer 20 are also performed. This is performed using the above-described paper feed port 24.
- FIG. 3 is a schematic diagram for explaining an example of the reflection type optical sensor 29.
- a reflection type optical sensor 29 is attached to a carriage 28, and includes a light emitting section 38 as an example of light emitting means constituted by a light emitting diode, for example, and a photo frame.
- ⁇ Light-emitting part with light-receiving part 40 as an example of a light-receiving sensor composed of a transistor
- the light emitted from 38 that is, the incident light is reflected by the platen 26 when there is no printing paper P in the direction of the printing paper P or the emitted light.
- the reflected light is received by the light receiving section 40.
- the magnitude of the power signal is measured 0 '
- the light-emitting unit 38 and the light-receiving unit 40 are integrated to form a device called a reflective optical sensor 29.
- Separate devices may be configured like light-receiving devices.
- the size of the im signal was measured, but it is not limited to this. If it was possible to measure the output value of the light receiving sensor according to the intensity of the received reflected light Good 0
- FIG. 4 is a diagram showing a configuration around the carriage 28 of the ink jet printer.
- the ink jet printer shown in FIG. 4 has a paper feed motor (hereinafter also referred to as a PF motor) 31 for feeding paper as an example of a feed mechanism, and a liquid for printing paper P.
- a printing head that discharges ink
- a carriage 36 that is fixed and is driven in the main scanning direction, and a carriage that drives the carriage 28
- Motor hereinafter also referred to as "cR motor"
- a rotary motor not shown
- Type encoder 13 platen 26 supporting printing paper P
- the paper feeder 24 driven by the PF motor 31 to convey the printing paper P, the pulley 25 attached to the rotating shaft of the CR motor 30 and the pulley 25 With the traction belt 32 driven by the
- FIG. 5 is an explanatory view schematically showing the configuration of the y-axis encoder 11 attached to the carriage 28.
- the zener encoder shown in FIG. 5 is a light emitting diode 1
- the detection processing unit 11c includes a plurality of (for example, four) photo diodes, 11 d, a signal processing circuit 11 e, and, for example, two noise collectors 11 fA and 11 fB.
- the parallel light that has passed through the linear encoder code plate 12 passes through a fixed slit (not shown), enters each photodiode 11 d, and is converted into an electric signal.
- the electric signals output from the four photo diode lids are processed in a signal processing circuit 11e, and the electric signals output from the signal processing circuit 11e are output from a comparator 11fA, 11
- the comparison is made at 1 fB, and the comparison result is output as a pulse.
- Controller 1 1 fA, llfB force, and the output. Lus Enc-A, Enc-B force S Output of renewable encoder 11.
- Figure 6 shows the linear type engine when the CR motor rotates forward and reverse. This is a timing chart showing the waveforms of the two output signals of the coder 11.
- the pulse ENC-A and the pulse ENC-B differ in phase by 90 degrees in both the forward and reverse rotations of the CR motor. .
- the pulse ENC-A is changed as shown in FIG.
- pulse ENC-A is higher than pulse ENC-B as shown in Fig. 6 (b).
- the phase T of the pulse ENC-A and the pulse ENC-B is also 90 degrees, and the carriage 28 has the slit interval of the linear encoder encoder plate 12. Is equal to the time to move.
- Each period of ENC-B is such that the next slit of the linear encoder encoder plate 12 passes through a linear encoder 11 after a certain slit passes through the linear encoder 11. Equal to the time it takes to pass linear encoder 11 and is no. Luth ENC-A and Lunce ENC-B differ in phase by 90 degrees. Therefore, the count value of the above count
- the rotary encoder 13 for the PF motor 31 has the same configuration as that of the rotary encoder 13 except that the rotary encoder code plate 14 rotates in response to the rotation of the PF motor 31. It has the same configuration as the linear encoder 11 and outputs two output pulses ENC-A and ENC-B. Based on these outputs, the amount of movement of the PF motor 31 can be obtained. it can..
- FIG. 7 is a block diagram showing an example of an electrical configuration of the color ink jet printer 20.
- the color inkjet printer 20 includes a buffer memory 50 for receiving a signal supplied from the computer 90, an image buffer 52 for storing print data, and a color inkjet printer.
- a system controller (hereinafter, simply referred to as a “controller”) 54 for controlling the operation of the entire counter 20, a main memory 56, and an EEPROM 58. ing.
- the system controller 54 further includes a main scanning drive circuit 61 for driving the carriage motor 30, a sub-scanning drive circuit 62 for driving the paper feed motor 31, and a printing apparatus.
- a head drive circuit 63 for driving the head 36, a light-emitting part 38 of the reflection-type optical sensor 29, and a reflection-type optical sensor control circuit 65 for controlling the light-receiving part 40, are already provided.
- the linear encoder 11 described above and the rotary encoder 13 described are connected.
- the reflection type optical sensor control circuit 65 includes an electric signal measurement unit 66 for measuring an electric signal converted from the reflected light received by the light receiving unit 40.
- the print data transferred from the computer 90 is stored in the memory 50.
- the system controller 54 reads necessary information from the print data from the buffer memory 50, and based on this, And sends a control signal to the main driving circuit 61, the sub-scanning driving circuit 62, the head driving circuit 63, and the like.
- the image buffer 52 stores print data of a plurality of color components received by the buffer memory 50.
- the head drive circuit 63 reads out the print data of each color component from the image buffer 52 according to the control signal from the system controller 54, and prints accordingly.
- the nozzle arrays of each color provided in the head 36 are driven.
- FIG. 8 is an explanatory diagram showing a nozzle arrangement on the lower surface of the print head 36.
- the print head 36 includes a black nozzle array, a yellow nozzle array, a magenta nozzle array, and a cyan nozzle array arranged on one straight line along the sub-scanning direction. Yes.
- each nozzle row is provided in two rows, and in this specification, each nozzle row is referred to as a first black nozzle row and a second black nozzle row. Zulu Row, 1st Yellow Nozzle Row, 2nd Yellow Nozzle Row, 1st Magenta Nozzle Row, 2nd Magenta Nozzle Row, 1st Cyan Nozzle Row, 2nd Cyan Nozzle Row Called a sequence.
- the black nozzle row (indicated by white circles) has 360 nozzles # 1 to # 360. Of these nozzles, odd-numbered nozzles # 1, # 3,..., # 359 are in the first black nozzle row, and even-numbered nozzles # 2, # 4 ,..., # 360 belong to the second black nozzle row.
- the nozzles # 1, # 3,..., # 359 of the first black nozzle row are arranged at a constant nozzle pitch kD along the sub-scanning direction.
- D is the dot pitch in the sub-scanning direction
- k is an integer.
- the dot pitch D in the sub-scanning direction is equal to the pitch of the main scanning line (last line).
- the integer k representing the nozzle pitch k ⁇ D is simply referred to as “nozzle pitch k”.
- the nozzle pitch k is 4 dots. It is.
- the nozzle pitch k can be set to any integer.
- the position is shifted from the position of each nozzle of the first black nozzle row in the sub scanning direction.
- each nozzle row is composed of 360 nozzles # 1, # 3, • * • 3 # 359 in the first row, # 2, #
- the position of the nozzles in the second row in the sub-scanning direction is / of the position of the nozzles in the sub-scanning direction of the nozzles in the first row.
- the nozzle group arranged on the print head 36 has a staggered shape.
- the print head with the CAD 28 is used.
- ink droplets are ejected from each nozzle.However, depending on the printing method, all nozzles are always used. This is not always the case, and if only some of the nozzles are used, we can also choose P.
- the reflection type optical sensor 29 described in the BU is attached to the carriage 28 to the printing head 36 and the printing head 36, and in this embodiment, the reflection type optical sensor 29 is shown in FIG. As shown in the figure, the position of the reflective optical sensor 29 in the sub-scanning direction matches the position of the nozzle # 360 in the sub-scanning direction described above.
- FIG. 9 is a diagram schematically showing the positional relationship between the print head 36, the reflection type optical sensor 29, and the printing paper P.
- FIG. 10 illustrates the first embodiment.
- the user instructs to perform printing in the application program 95 or the like (step S2).
- the printer driver 96 of the computer 90 receives the image data from the application program 95 and receives it.
- the printer driver 96 converts the print data PD into raster data indicating the dot formation state at each main scan and data indicating the sub-scan feed amount. It is supplied to the color ink jet printer 20 together with the various a commands and COM.
- the color ink jet printer 20 receives these by the buffer memory 50, and then transmits them to the image buffer 52 or the system controller 54.
- the user can instruct the user interface display module 101 to perform sizeless or borderless printing of the printing paper P.
- the indication by the user is received by the user interface display module 101 and sent to the UI printer interface module 102.
- the UI print interface module 102 interprets the instructed instruction, and sends the command COMM to the color ink jet printer 20.
- Power Link Jet Printer 20 is a command
- the NOF memory 50 After the COM is received by the NOF memory 50, it is transmitted to the system controller 54.
- the sub-jet drive circuit 62 drives the paper feed motor 31, etc. Feed print paper P (Step S4).
- the paper feed motor 31 is driven by the sub-scan drive circuit 62, and the movement of the carriage 28 in the feed direction is performed.
- the main motor drive circuit 61 drives the carriage motor 30 to discharge ink from the print head 36 to the print head 36 to print. Each of them is driven by driving head 36.
- the system controller 54 controls the reflection-type optical sensor 29 provided in the carriage 28 by the reflection-type optical sensor control circuit 65, and controls the reflection-type optical sensor 29.
- Light is emitted from the light emitting section 38 to the platen 26 (step S12).
- a counter (not shown) for counting the following series of operations to be repeated is prepared, and the system controller 54 resets the counter.
- Set step S14). Such a reset is achieved, for example, by setting the value N of the counter to zero.
- the system controller 54 adds 1 to the counter value (step S16), and prepares for the carriage 28 as shown in FIG. 9 (a).
- the main motor drive circuit 61 drives the CR motor 30 to carry the carriage 28. Is moved (step S18).
- the light emitted from the light emitting section 38 blocks the left and right ends of the printing paper P (step S20).
- the destination of the light emitted from the light emitting section 38 changes from the platen 26 to the printing paper P, and the output value of the light receiving section 40 of the reflection type optical sensor 29 receiving the reflected light is changed.
- the magnitude of the electrical signal changes.
- step S22 the system controller 54 remains in the carriage. 28 is moved, and ink is ejected from the print head 36 provided in the carriage 28 to perform borderless printing (step S24).
- step S26 the destination of the light emitted from the light emitting unit 38 changes from the printing paper P to the platen 26, and the output value of the light receiving unit 40 of the reflection type optical sensor 29 receiving the reflected light is output.
- the magnitude of the electrical signal changes.
- the magnitude of the electric signal is measured by the electric signal measuring section 66, and it is detected that the light has passed through the edge of the printing paper P.
- step S28 the amount of movement of the CR motor 30 from the reference position is obtained based on the output pulse of the linear encoder 11, in other words, the position of the carriage 28 (hereinafter referred to as “position B”). ) Is stored as the N-th data (step S28).
- the system controller 54 drives the CR motor 30 to move the carriage 28 and By driving the feed motor 31, the printing paper P is fed by a predetermined amount to prepare for the next borderless printing (step S 30).
- FIG. 12 is a schematic diagram for explaining the position of the printing paper P for determining whether or not the control for determining the left and right end positions of the printing paper P by the reflection type optical sensor 29 can be performed.
- the "pre ⁇ constant, predetermined circumference" reflective optical sensor 2 9, (also referred to as the rear end) the lower end of the printing paper ⁇ cormorants have a state facing the vicinity of c
- Whether or not the printing paper P has reached the predetermined range is determined by the ⁇ the predetermined paper feed amount of the printing paper P after the lower end of the printing paper ⁇ is detected by the paper end detector 33. Is determined by That is, ⁇ m below printing paper P
- the gap between the optical axis and the light receiving part 40 of the reflection type optical sensor 29 is less than s (in this example, it is set to 5 to 10 meters from the lower end), It is determined that the printing paper P has reached the predetermined range (see FIG. 12).
- the paper feed amount is set based on the ink discharge start position at the upper end (also referred to as the leading edge) of the printing paper ⁇ . There is also a method of counting and using this force value to judge.
- a control signal for controlling the ink discharge device it is possible to determine whether or not a control signal for controlling the ink discharge device has reached a predetermined range as a trigger. Now, an example of the control signal will be described.
- the printing paper ⁇ is being printed and the paper is being fed, and the lower end of the printing paper ⁇ comes off the paper feed port 24.
- the feed speed of the paper feed roller 24 is reduced, and the printing paper ⁇
- braking control When ⁇ completely deviates from the paper feed roller 24, a faster paper feed speed is implemented (called braking control). A signal that changes the paper feed speed is used as a trigger within a predetermined range. It is also possible to determine whether or not the paper feed speed has been reached, and more specifically, a timing signal for returning the paper feed speed to a faster speed may be used.
- the printing paper P it is determined whether or not the printing paper P has reached a predetermined range by using a signal that accompanies a change in the paper feed amount when performing borderless printing near the upper and lower edges of the printing paper as a trigger. May be.
- step S32 By determining whether the printing paper P has reached the predetermined range (step S32), it is determined that the lower end of the printing paper P has reached the predetermined range PS.
- the processing at this time will be described with reference to FIG.
- FIG. 11 is an explanatory diagram for explaining how to determine the ink discharge start position and the ink discharge end position.
- the reflection type optical sensor 29 does not detect the left and right edges of the printing paper P thereafter (step S33).
- the “predetermined position” is the ink discharge start position (the position is indicated by a square in FIG. 11) (step S36), and ⁇ , the discharge end position (The position is indicated by the X mark in Fig. 11). (End S37)
- the “predetermined start position and end position” have a sufficient margin with respect to the size (width) of the printing paper, taking into account that unnecessary margins are not generated on the printing paper P. G3 ⁇ 4 £ ⁇ is desirable.
- the reflection type optical sensor 29 is used to remove the printing paper P.
- the left and right edges are not detected, even if the data is acquired by detecting the left and right edges of the printing paper P by the reflective optical sensor 29, the ink discharge start position and the ink using the data are acquired. Do not determine the ink discharge end position It may be.
- step S3 the system controller 54 moves the carriage 28 to perform printing based on the ink discharge start position and the ink discharge position described above (step S3). 8) Then, the carriage 28 is moved and the printing paper P is fed by a predetermined amount.
- step S39 when the completion of printing is confirmed (step S39).
- step S40: Y the printing process is completed (step S50). If the end of printing is not confirmed (step S40: N), the processing from step S32 is executed.
- step S32 N
- step S42 the ink discharge start position and the ink discharge end position are determined (step S42).
- step S48 the procedure returns to step S16, and the system controller 54 adds 1 to the value N of the counter (step S16), and thereafter, as shown in FIG. As shown in (d), FIG. 9 (e), and FIG. 9 (f), the above-described steps after step S18 are executed.
- the system controller 54 reads data from the storage area corresponding to the N-th position A stored in step S20 and step S22, and reads the left and right ends of the printing paper P.
- the position of the N-th position A (indicated by a dotted-line circle in FIG. 11), which is one end of, is determined (step S42).
- a start position for discharging ink is determined (step S4).
- a start position for discharging ink is determined (step S4).
- an ink discharge start position is a position that allows for a margin at a distance from the N-th position A. decide.
- step S26 the system controller 54 proceeds to step S26 and step S26.
- Step S Read the data from the imaginary area and find the N-th position B (shown by the dotted triangle in Fig. 11), which is one of the left and right ends of the printing paper P (step S). 4 6). In addition, Step S
- the end position at which ink is ejected is determined (step S48). For example, as shown in FIG. 11, the position where the margin of the distance a is considered from the N-th position B is taken as the ink discharge end position (in FIG. 11, the position is indicated by a solid-line triangle mark). To be determined.
- the position A or B detected in the past is used to find the N-th position A or N-th position B. If these past position information is not sufficient, In the same manner as described above, the predetermined position is defined as the start position of ink discharge (indicated by a square in Fig. 11) and the end position (indicated by X in Fig. 11). Location).
- the margin a is set based on, for example, a detection error when detecting the left and right edges of the printing paper P in consideration of not generating unnecessary margins on the printing paper P.
- the value of the magazine a is a common value when the start position is determined and when the end position is determined. However, a different value may be set.
- the program for performing the above processing is EEPRO
- the program is stored in M58, and is executed by the system controller 54.
- the position of the printing paper in the paper feed direction is set at a predetermined position (the reflection type optical sensor for detecting the left and right edges of the printing paper is just before reaching the upper and lower ends of the printing paper).
- the reflection type optical sensor does not detect the left and right edges of the printing paper, or the reflection type optical sensor detects the left and right edges of the printing paper and transmits the data. Even if it is acquired, the ink discharge start position and the ink discharge end position using the data By not setting the ink discharge start position and ink discharge end position to predetermined positions, it is possible to avoid the generation of margins on printing paper by mistake. Power is possible.
- FIG. 13 is a front view for explaining the second embodiment.
- step S102 the user instructs the application program 95 or the like to start printing (step S102).
- steps up to step S130 are the same as steps S30 to S30 described for the first embodiment.
- step S130 as shown in FIGS. 9 (c) and 9 (d), the system contactor 54 drives the CR motor 30 to move the carriage 28. Then, the paper feed motor 31 is driven to feed the print paper ⁇ by a predetermined amount to prepare for the next borderless printing, but at this time, the system controller 54 is rotated by the rotor.
- the amount of movement from the base of the PF motor 31 is calculated based on the output pulse of the formula n-n-13, and the scenery, in other words, the amount of feeding of the printing paper P is stored (step Up S
- the system controller 54 determines whether or not the printing paper ⁇ has reached a predetermined range based on the feed amount of the printing paper ⁇ in the sub-scanning direction (step Top S1 32).
- the state in which the sheet 9 faces the vicinity of the lower end (also referred to as the rear end) of the printing paper P is similar to the predetermined range described in the first embodiment.
- step S1332: ⁇ If it is determined that the printing paper ⁇ has not reached the predetermined range (step S1332: ⁇ ), the system controller 54 The N-th position A, which is one of the left and right ends of the printing paper P, is obtained (step S1522), and the ink discharge start position is determined based on the N-th position A (step S1). 5 4) Find the N-th position B
- Step S 156 the ink discharge end position is determined based on the N-th position B (Step S 158), and these processes are described in the first embodiment. After that, the procedure returns to step S116, and the system controller 54 adds 1 to the value N of the counter (step S116), and returns to step S116. Up
- Step S132: Y The processing of (Step S132: Y) will be described with reference to FIGS. 11 and 12.
- FIG. 11 The processing of (Step S132: Y) will be described with reference to FIGS. 11 and 12.
- Step S1332 Y
- Step S133 the ink discharge start position and the ink discharge end position are determined by the method described later (Step S136 to Step S142).
- Step S136 the ink discharge start position and the The end position of ink discharge may not be determined.
- the system controller 54 adds 1 to the value of the counter (step S145), and drives the CR motor 30 by the main scanning drive circuit 61 to carry the carriage.
- the print is executed by moving the page 28 (step S146). At this time, the system controller 5
- the system controller 54 drives the CR motor 30 Then, the carriage 28 is moved, and the paper feed motor 31 is driven to feed the printing paper P by a predetermined amount to prepare for the next borderless printing (step S147). . At this time, the system controller 54 obtains the amount of movement of the PF motor 31 from the reference position based on the output pulse of the rotary encoder 13, and in other words, calculates the amount of movement in other words. The feed amount of the printing paper P is stored (Step S148).
- step s150 the system controller 54 determines whether or not the print end position has been reached. If the print has not been completed, the process returns to step S132. Then, it is determined whether or not the printing paper has reached a predetermined range, and thereafter, the above-described step S 1
- step S150 If the determination in step S150 is that printing has been completed, printing is terminated (step S150).
- step S132 the ink discharge start position and the ink discharge end position when it is determined that the lower end of the printing paper P has reached the predetermined range PS.
- Steps S 1 4 2) from S 1 36 will be described using examples (four examples).
- the ink ejection start position When the lower end of the printing paper P reaches the predetermined range PS, the obtained position is always used.
- system controller 54 is a
- Step S136) The ink discharge start position is determined based on the obtained N'-th position A (step S138). For example, as shown in Fig. 11, the position where the margin of the distance ⁇ is considered from the N, th position A is the ink discharge start position (in Fig. 11, the position is indicated by a solid circle). Is determined, and is fixed as an ink discharge start position when it is determined that the lower end of the printing paper ⁇ has reached the predetermined range Ps.
- the system controller 54 reads data from the storage area corresponding to the ⁇ 'th position ⁇ stored in step S126 and step S128, and stores the data.
- the position of the N'th position ⁇ (shown by a dotted triangle in Fig. 11), which is the position of one of the left and right ends of the printing paper ⁇ ⁇ that was being used (step S14) 0).
- the ink discharge end position is determined based on the obtained N'-th position ⁇ (step S144).
- the position where the margin of the distance ⁇ from the ⁇ 'th position ⁇ ⁇ is taken into account is the ink discharge end position (in FIG. 11, the position is indicated by a solid triangular mark) Is determined, and is fixed as the ink ejection end position when it is determined that the lower end of the printing paper ⁇ has reached the predetermined range PS.
- the position of the left and right ends is obtained from the positions of the two left and right ends detected in the past and the feed amount of the printing paper ⁇ ⁇ since the position of the end was detected, and the positions of the left and right ends are obtained. Based on this, the ink discharge start position and the ink discharge end position can also be determined.
- M the first position ⁇ , the Mth position A, and the Nth position A that you want to find (where M is the previously detected N—Xth position, That is, M ⁇ N), X am — l, X am, and X an, respectively, and M—2 of the printing paper P stored in step SI31 or step S148.
- M the previously detected N—Xth position, That is, M ⁇ N
- X am — l, X am, and X an respectively
- X an ((P n-1-P m-2) ⁇ X am-(P n-1 one P m-1) ⁇ X am-1 no (P m-1 - P m - 2) and Do Ri, known X am - 1, X am s P m - 2, P m - 1, P n - 1 obtains a force et X an, Ru can and this.
- the ink discharge start position is determined (step S138). For example, as shown in Fig. 11, a position that allows a margin of a distance from the N-th position A is defined as an ink discharge start position (indicated by a solid circle in Fig. 11). To decide.
- M the first position B, the Mth position B, and the Nth position B that is to be obtained (where M is the previously detected N—Xth position, That is, M ⁇ N), and let Xbm ⁇ 1, Xbm, and Xbn, respectively, and set M— of the printing paper P stored in step SI31 and step S148.
- X bn ((P n-l — P m-2)-X bm-(P n-l-P m-1)-X bm-1) / (P m- 1-P m-2), and X bn can be obtained from the known X bm-1, X bm, P m-2, P m-1, and P n-1.
- the ink discharge end position is determined (step S142). For example, as shown in FIG. 11, a position that allows a margin of a distance from the N-th position B is defined as an ink discharge end position (indicated by a solid triangle in FIG. 11).
- the position of the desired left and right end is obtained from the two positions of the left and right end detected in the past, and the start position or the end position is determined based on the obtained position of the end. It was decided to decide, but it is not limited to this.
- the left and right positions to be obtained may be obtained from two or more positions of the left and right ends detected in the past.
- the above embodiment is more preferable in that the start position or the end position can be determined from the minimum information on the position of the eye U left ⁇ ! End detected in the past.
- step S1332 when it is determined that the lower end of the printing paper P has reached the location PS, the ink discharge start and the ink discharge end position are determined.
- other examples Nitsu les, Te will be described with reference to FIGS. 1 1 and 1 3 (
- the positions of the left and right ends are obtained, and the ink discharge start position and the ink discharge end position are determined based on the obtained left and right end positions.
- the M-th position A and the N-th position A to be obtained (where M is the previously detected N-X-th position, that is, M ⁇ N) are defined as X am , X an, and step S 1 3 1,
- the M-first feed amount and the N-first feed amount of the printing paper stored in step S148 are assumed to be Pm-1 and Pn-1, respectively, and are predicted.
- the maximum tilt angle is ⁇
- an ink discharge start position is determined based on the obtained N-th position A (indicated by a dotted circle in FIG. 11) (step S138). For example, as shown in Fig. 11, a position that allows a margin of a distance from the N-th position A is defined as an ink discharge start position (indicated by a solid circle in Fig. 11). To decide.
- Xbn Xbm + (Pn-1-Pm-1) '& 110 and the known 13111,? 111-1,? Xbn can be obtained from 11-1 and 0 forces.
- the ink discharge end position is determined based on the obtained N-th position B (indicated by a dotted triangle in FIG. 11) (step S144). For example, as shown in Figure 11: The position that allows for a margin of a distance from the Nth position B is determined as the ink discharge end position (indicated by a solid triangle in FIG. 11).
- step S132 when the lower end of the printing paper P is determined to have reached the predetermined range PS, the ink discharge start position and the ink discharge end position are determined.
- the example will be described with reference to FIGS. 11 and 13.
- the position of one of the left and right edges already detected at 3 ⁇ 4. ⁇ (this is already stored as the N′th data) and the printing From the width of the sheet, the position of the other end of the left and right ends of tu is determined, and the ink discharge start position is determined based on the determined position of the end.
- This example is effective when the carriage starts moving from one end but does not reach the other end. In other words, this is effective when only the position of one of the left and right ends is stored immediately before the lower end of the printing paper P reaches the predetermined range.
- the system controller 54 stores the information corresponding to the N'th position A stored in steps S120 and S122.
- Step S 1 The data is read from the area, and the N'th position A (one of the left and right ends of the stored printing paper P) that was stored (the position indicated by the dotted circle in Fig. 11) is indicated. Find the position (Step S 1
- the ink discharge start position is determined based on the obtained N'-th position A (step S138). For example, as shown in FIG. 11, the position where the margin at a distance ⁇ from the N′-th position A is considered is the ink discharge start position (in FIG. 11, the position is indicated by a solid circle in FIG. 11). Then, when it is determined that the lower end of the printing paper ⁇ has reached the predetermined range PS, it is fixed as the ink discharge start position. Next, from the detected N-th position A and the width of the printing paper, the position of the other one of the left and right ends is obtained (step S14).
- the ink discharge end position is determined based on the obtained N-th position B (indicated by a dotted triangle in FIG. 11) (step S144). For example, as shown in Fig. 11, the position where the margin of distance a from the N-th position B in the m-th position is considered is the ink discharge end position (in Fig. 11, the position is indicated by a solid square mark in Fig. 11).
- the ink ejection end position is determined to be fixed when the lower end of the printing paper P is determined to have reached the predetermined range PS.
- the printing paper P It is set based on the detection error when detecting the left and right ends of the. Further, in the above, the value of the margin CK is a common value when the start position is determined and when the end position is determined, but a different value may be set.
- a program for performing the above processing is E EPP RO
- the reflection type optical sensor when it is determined that the position of the printing paper in the paper feed direction (the lower end of the printing paper) has reached a predetermined range, the reflection type optical sensor is used.
- the left and right edges of the printing paper are not detected, and the ink ejection start position and ink ejection end are determined based on the previously detected positions of the HIJ left and right edges in the manner described above.
- the reflective optical sensor detects the left and right edges of the printing paper and obtains data, it does not determine the ink discharge start position and ink discharge end position using the data.
- the print ink may be erroneously determined. It is possible to avoid generating margins.
- the liquid ejecting apparatus and the like according to the present invention have been described based on one embodiment.
- the above-described embodiment of the present invention is for facilitating understanding of the present invention. It is not something that limits.
- the present invention can be changed and improved without departing from the gist thereof, and the present invention naturally includes equivalents thereof.
- the printing medium is described as an example of the medium, a finolem, a cloth, a metal sheet, or the like may be used as the medium (
- the printing garment has been described as an example of the liquid ejecting apparatus.
- the present invention is not limited to this.
- a force filter manufacturing apparatus, a dyeing apparatus, a fine Processing equipment, semiconductor manufacturing equipment, surface processing equipment, 3D modeling equipment, liquefaction equipment, organic EL equipment (especially polymer EL manufacturing equipment), display manufacturing equipment, film forming equipment, DNA chip manufacturing equipment For example, the same technology as that of the present embodiment may be applied. Even if this technology is used in such a field, it is possible to discharge the liquid toward the medium, which has the five characteristics, so that the above-mentioned effects can be maintained.
- the ink has been described as an example of the liquid, but the present invention is not limited to this.
- a liquid including water
- a metal material especially a polymer material
- a magnetic material especially a polymer material
- a wiring material especially a polymer material
- a film forming material especially a polymer material
- a gene solution etc.
- the example has been described by taking the vicinity of the lower end of the printing paper as an example.
- the present invention is not limited to this, and the present invention is also applicable near the upper end of the printing paper. No need to say.
- the end of the printing paper is detected while the printing paper is conveyed in the ⁇ direction, but before the printing paper reaches the detection position.
- printing is performed on the entire surface of the printing paper, that is, so-called borderless printing is performed.
- the present invention is not limited to this.
- the above-described means exhibits an effective effect.
- V cuts are larger.
- the reflection type optical sensor receives the light moving in the main scanning direction in accordance with the movement of the light emitting unit in the main scanning direction, and a light emitting unit for emitting light.
- a light-emitting unit that moves in the main scanning direction, and the light emitted from the light-emitting unit that moves in the main scanning direction blocks an end of the light-emitting unit. It was decided to detect the end position, It is not limited. However, the above-described pD embodiment is more preferable in that the above-described configuration makes it possible to detect the position of the end more easily.
- the light emitted by the B self-light-emitting portion moving in the UBG main scanning direction is blocked by the light-emitting portion.
- the positions of the two ends having different positions in the main scanning direction are detected, and according to one of the two detected positions of ⁇ LIS, ⁇ [J eyes start.
- the end position is changed according to the position, and the end position is changed according to the force, the force, or the other of the two detected end positions.
- the present invention is not limited to this.
- the eye U main running 3 ⁇ 4 The light emitted by the ⁇ ⁇ light emitting unit moving in the direction is based on a change in the output value of the ⁇ ⁇ light receiving unit caused by blocking the iu end.
- the position of one end is detected in the detection operation, and the position of one end detected Then, the opening position Hi or the end position may be changed.
- this makes the effect described above, that is, avoiding the generation of margins on the printing paper, more remarkable.
- the above-described embodiment is more desirable in that it is demonstrated.
- the reflection type optical sensor is provided in the movable carriage having the print head.
- the present invention is not limited to this.
- a configuration may be adopted in which the carriage and the reflection-type optical sensor can be moved separately.
- this configuration is more preferable in that the above-described embodiment can be used in that the carriage and the reflection-type optical sensor move mechanism can be shared.
- the reflection type optical sensor may have a defect or the like.
- the light emitted from the reflective optical sensor does not pass through the printing paper when the position of the sensor is not detected, such as when the so-called force-sensitive method is used.
- the present invention is also applicable to the case where the position of the paper is not detected or the position is detected.
- This computer system is an example of a liquid ejection system.
- 4 is a schematic diagram showing the external configuration of the computer system.
- O Computer system 100 0 0 is the computer body.
- the computer main body 1102 is housed in a miniature type housing, but is not limited to this.
- Display 1 is not limited to this.
- a CRT cathode ray tube: cathode ray tube
- a plasma display a liquid crystal display device, or the like
- the printer 1106 the printer described above is used.
- the input device 111 is composed of the keyboard 110 A and the mouse 110.
- the flexible disk drive device 111A and the CD-ROM drive device 110B are used in the present embodiment, but the present invention is not limited to this. However, it may be another device such as a MO (Magneto Optical) disk drive device or a DVD (Digital Versatile Disk).
- MO Magnetic Optical
- DVD Digital Versatile Disk
- FIG. 15 is a block diagram showing the configuration of the computer system shown in FIG.
- An internal memory such as RAM
- an external memory such as a node disk drive unit
- the printer 1106 is composed of the main body of the computer 1102, the display device 1104, the input device 1108, and the reading device 1110.
- the computer system may be composed of a computer main body 1102 and a printer 1106, and the computer system may be composed of a display device 110, an input device 11 0, and any one of the reading devices 111, 110 may not be provided.
- the printer 1106 may be a computer that has the functions or mechanisms of a computer main body 1102, a display device 1104, an input device 1108, and a reading device 111. You may have a part of it.
- the printer 1106 records an image processing unit that performs image processing, a display unit that performs various displays, and image data captured by a digital camera or the like. It may be configured to have a recording media attaching / detaching portion or the like for attaching / detaching the recorded media.
- the computer system realized in this way is better than the conventional system as a whole system.
- the liquid discharge start and end positions are set appropriately.
- Such a liquid discharge device, a liquid discharge system, and a liquid discharge method can be realized.
Landscapes
- Ink Jet (AREA)
- Coating Apparatus (AREA)
- Character Spaces And Line Spaces In Printers (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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JP2005505432A JP4434143B2 (ja) | 2003-04-15 | 2004-04-14 | 液体吐出装置、液体吐出システム、及び、液体吐出方法 |
DE602004019507T DE602004019507D1 (de) | 2003-04-15 | 2004-04-14 | Vorrichtung, system und verfahren zum abführen von flüssigkeit |
US10/548,184 US7401881B2 (en) | 2003-04-15 | 2004-04-14 | Liquid ejection apparatus, liquid ejection system, and liquid ejection method |
EP04727420A EP1614544B1 (en) | 2003-04-15 | 2004-04-14 | Device, system, and method for discharging liquid |
US12/024,840 US7708366B2 (en) | 2003-04-15 | 2008-02-01 | Liquid ejection apparatus, liquid ejection system, and liquid ejection method |
US12/725,293 US8287080B2 (en) | 2003-04-15 | 2010-03-16 | Liquid ejection apparatus, liquid ejection system, and liquid ejection method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003110842 | 2003-04-15 | ||
JP2003-110842 | 2003-04-15 |
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US10548184 A-371-Of-International | 2004-04-14 | ||
US12/024,840 Continuation US7708366B2 (en) | 2003-04-15 | 2008-02-01 | Liquid ejection apparatus, liquid ejection system, and liquid ejection method |
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WO2004091917A1 true WO2004091917A1 (ja) | 2004-10-28 |
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US (3) | US7401881B2 (ja) |
EP (1) | EP1614544B1 (ja) |
JP (4) | JP4434143B2 (ja) |
CN (1) | CN100382968C (ja) |
AT (1) | ATE423006T1 (ja) |
DE (1) | DE602004019507D1 (ja) |
WO (1) | WO2004091917A1 (ja) |
Cited By (1)
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US10632764B2 (en) | 2015-09-30 | 2020-04-28 | Canon Kabushiki Kaisha | Printing method and printing apparatus |
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ATE424305T1 (de) * | 2002-08-08 | 2009-03-15 | Seiko Epson Corp | Aufzeichnungsvorrichtung, aufzeichnungsverfahren, programm, rechnersystem |
JP3835383B2 (ja) | 2002-09-09 | 2006-10-18 | セイコーエプソン株式会社 | 液体吐出装置及びコンピュータシステム |
ATE423006T1 (de) * | 2003-04-15 | 2009-03-15 | Seiko Epson Corp | Vorrichtung, system und verfahren zum abführen von flüssigkeit |
JP4513774B2 (ja) * | 2006-03-15 | 2010-07-28 | セイコーエプソン株式会社 | 記録装置及び記録方法 |
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EP2474404B1 (en) | 2011-01-06 | 2014-12-03 | LUXeXcel Holding B.V. | Print head, upgrade kit for a conventional inkjet printer, printer and method for printing optical structures |
CN102133824A (zh) * | 2011-01-21 | 2011-07-27 | 宁波市胜源技术转移有限公司 | 一种喷墨印刷方法 |
JP5982938B2 (ja) * | 2012-03-28 | 2016-08-31 | セイコーエプソン株式会社 | 画像形成装置及び媒体端部判定方法 |
JP6129530B2 (ja) * | 2012-11-30 | 2017-05-17 | 株式会社ミマキエンジニアリング | インクジェット印刷システムおよびインクジェット印刷制御プログラム |
JP6083273B2 (ja) * | 2013-03-19 | 2017-02-22 | セイコーエプソン株式会社 | 画像形成装置、記録媒体の搬送制御方法 |
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CN107284054A (zh) * | 2017-07-10 | 2017-10-24 | 湖州南浔金翔彩印厂 | 彩印机水平印刷高差纠偏装置 |
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JP7322412B2 (ja) * | 2019-01-24 | 2023-08-08 | セイコーエプソン株式会社 | 液体吐出装置、及びヘッドユニット |
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Also Published As
Publication number | Publication date |
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JPWO2004091917A1 (ja) | 2006-07-06 |
JP2010030310A (ja) | 2010-02-12 |
US20100171785A1 (en) | 2010-07-08 |
US8287080B2 (en) | 2012-10-16 |
US7708366B2 (en) | 2010-05-04 |
EP1614544A4 (en) | 2007-07-04 |
EP1614544B1 (en) | 2009-02-18 |
CN1761567A (zh) | 2006-04-19 |
JP5263425B2 (ja) | 2013-08-14 |
DE602004019507D1 (de) | 2009-04-02 |
CN100382968C (zh) | 2008-04-23 |
JP5024416B2 (ja) | 2012-09-12 |
US20060214985A1 (en) | 2006-09-28 |
JP2012144051A (ja) | 2012-08-02 |
JP4434143B2 (ja) | 2010-03-17 |
US7401881B2 (en) | 2008-07-22 |
ATE423006T1 (de) | 2009-03-15 |
EP1614544A1 (en) | 2006-01-11 |
US20080150992A1 (en) | 2008-06-26 |
JP2010158907A (ja) | 2010-07-22 |
JP4530107B2 (ja) | 2010-08-25 |
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