Abstract: Provided is an inkjet printing method using a plurality of nozzles which are controlled to discharge discrete quantities of ink mapped to a specific control value, of which a control value and discrete quantities of ink are mapped, if the specific control value is inputted, the inkjet printing method including the steps of: inputting a control value mapped to specific discrete quantities of ink to the plurality of nozzles to measure discharge performance of the plurality of nozzles; classifying the plurality of nozzles into a plurality of nozzle groups based on the discharge performance measured on the plurality of nozzles; adjusting a mapped relation between the discrete quantities of ink and the control value for the classified nozzle groups; and performing inkjet printing based on a mapped relation between the discrete quantities of ink and the control value.

Abstract: In one example in accordance with the present disclosure, a fluid ejection device is described. The fluid ejection device includes a number of nozzles to eject an amount of fluid. A first field-effect transistor (FET) activates a first fluidic operation component and a second FET activates a second fluidic operation component. The first FET and the second FET are selected from among a high-side switch FET, a low-side switch FET, and a hybrid FET and the first FET and the second FET are different from one another.

Abstract: A non-transitory computer-readable medium has a program stored thereon and readable by a processor of an information processing apparatus configured to communicate with an image processing apparatus. The program, when executed by the processor, causes the information processing apparatus to perform: receiving an execution request to cause the image processing apparatus to perform the image processing, the execution request corresponding to a job; acquiring status information indicating a status of the image processing apparatus; and providing notification, during a notification time period, of error information based on the status information when the status information is acquired during the notification time period, which starts at a time when the execution request is received.

Abstract: A head voltage correcting method for inkjet printing apparatus which perform printing by dispensing ink droplets from a head to a printing medium. The method includes the following steps: a step of printing testing charts; a step of acquiring images of the testing charts; a step of determining presence or absence of satellite droplets for each drive voltage; a step of obtaining distances between the main droplets and the satellite droplets for each drive voltage; a step of obtaining a distance reference drive voltage from a relationship of the distances for each drive voltage and a distance threshold; a step of obtaining ink droplet sizes for each drive voltage; a step of obtaining a size reference drive voltage; and a step of comparing the distance reference drive voltage and the size reference drive voltage, and making correction by adopting a larger one as the reference voltage.

Abstract: An inkjet recording apparatus includes a recording head, a reading device, and a controller. The recording head ejects ink to form a sample image on a sheet. The reading device reads the sample image to generate read image data. The controller determines a start timing of reading processing by which the reading device reads the sample image. The controller causes the reading device to start the reading processing at the start timing. The controller determines a drive condition of the recording head based on the read image data.

Abstract: A printer capable includes a pivot mechanism that causes a first ink cartridge housing a first ink pack containing sedimentation ink to pivot. A controller includes a memory storing first data defining a relationship between a determined ink agitation degree and a pivot angle of the ink cartridge from an initial position, an angle determiner that determines a pivot angle based on the determined ink agitation degree and the first data, and a first controller that controls the pivot mechanism to cause the first ink cartridge to pivot by the determined pivot angle and move to a pivot position, and then cause the first ink cartridge to pivot in the opposite direction and return to the initial position. A first pivot angle when the ink agitation degree is less than a first value is smaller than a second pivot angle when the ink agitation degree is the first value or more.

Abstract: There is provided a printing apparatus including: an ink jet head that prints on a print medium; a camera that captures an image on the print medium; an LED light source that irradiates a capturing area of the camera with light at a predetermined angle with respect to a print surface of the print medium; a carriage that mounts the ink jet head, the camera, and the LED light source; and a processor that executes calculation based on captured-image-data-of-unprinted-area obtained by capturing an image on the print medium by the camera and captured-image-data-of-test-pattern obtained by capturing an image of a test pattern by the camera, the test pattern being printed on the print medium by the ink jet head, and that acquires corrected captured-image-data representing a captured image of the test pattern, the corrected captured-image-data in which an influence of light irradiation by the LED light source is adjusted.

Abstract: A liquid droplet discharging apparatus includes a printing unit that moves a discharging head in a scanning direction and prints a test pattern on a medium by discharging a liquid droplets from nozzles of the discharging head, a transporting unit that intermittently transports the medium in a transporting direction, and a reading unit that reads the test pattern. The printing unit prints the test pattern by overlapping a transportation reference pattern and a transportation deviation pattern, in order to correct at least any one of a transportation amount of the medium being transported by the transporting unit and a discharging position to which the liquid droplets are discharged from the nozzles. The reading unit reads a completed part of the test pattern at the same time as printing the test pattern by the printing unit.

Abstract: A liquid ejecting apparatus includes a scanner unit, a scanner drive section that drives the scanner unit, a head unit that is provided with an ejection section, a drive signal generation section that generates a drive signal driving the ejection section, a casing in which the head unit is disposed, a temperature information output section that outputs temperature information indicating a value corresponding to a temperature in the casing, and a stop control section that decides a time length of the stop period in which generation of the drive signal is stopped based on the temperature information, in which the time length is longer when the scanner unit is driven than when the scanner unit is not driven.

Abstract: A liquid circulation device includes a housing having an outlet and an inlet, a circulation unit configured to convey liquid out of the housing through the outlet and recover liquid into the housing through the inlet, a liquid supplying unit configured to supply liquid into the housing, an air conveying unit configured to convey air into and out of the housing, a level detecting unit configured to detect a level of the liquid in the housing, a pressure sensing unit configured to detect a pressure of the air in the housing, and a control unit configured to control a pressure of the liquid in the housing by controlling the liquid supplying unit or the air conveying unit, based on the level and the pressure of the air.

Abstract: A liquid discharge apparatus comprises a head including a discharge port surface, a first reservoir that stores the liquid to be supplied to the head, a flexible member, separating an inner space of the first reservoir into a first chamber that stores the liquid and a second chamber that stores an operation liquid, a second reservoir communicating with the second chamber, the second reservoir storing the operation liquid to be supplied to the second chamber, the second reservoir being disposed in such a manner that a liquid surface of the operation liquid stored in the second reservoir is positioned below the discharge port surface, and an adjustment unit that performs adjustment in such a manner that a position of the liquid surface of the operation liquid in the second reservoir falls within a predetermined range in a state where the second reservoir is opened to atmosphere.

Abstract: A printing device includes a print head that prints on a print medium image data of a print target and a decorative image and a processor that controls the print head to print image data of the decorative image on the print medium while the printing device that is held by a user moves on the print medium in a first movement, wherein the processor causes the print head to print the image data of the print target in a range that is indicated by the printed decorative image while the held printing device moves on the print medium in a second movement after the image data of the decorative image is printed.

Abstract: A method calibrates image sensors and adjusts print heads in an inkjet printing machine via a computer. The method includes printing a test print chart, recording the printed test print chart via an image sensor to create a digital image, determining a coordinate transformation between the coordinates on the test print chart and the coordinates of the image sensor and the print heads, implementing a computer-assisted evaluation process of the digital image to determine the coordinates on the test print chart, deriving correction values for print head adjustment and camera calibration from results of the coordinate transformation and/or the comparison thereof with the determined measured values, and implementing the print head adjustment and the camera calibration by the computer. The test print chart has filled circular discs. The filled circular discs have a minimum diameter that is selected for them to function even if defective printing nozzles occur.

Abstract: Adjustment of a halftoning threshold can, in an example implementation, include assigning a relative energy value, relative to a reference energy value, to a location of a build area and adjusting a halftoning threshold based on the relative energy value.

Abstract: A printer having a printhead configured to print to a print medium; a camera configured to photograph the print medium; a carriage configured to support and move the printhead and the camera; and a processor configured to print, by the printhead, on the print medium a first test pattern that is larger than an imaging area of the camera, photograph the first test pattern by the camera, and detect a printing defect based on a result of the photograph.

Abstract: A droplet discharge apparatus to discharge droplets while moved by a user includes a head to discharge a droplet onto a recording medium, a sensor to detect a movement amount of the droplet discharge apparatus in a predetermined period, and a memory to store determination information indicating whether droplet discharging has been instructed for each pixel of the image data. The droplet discharge apparatus further includes a processor configured to accumulate the movement amount to calculate a total movement amount of the droplet discharge apparatus; instruct droplet discharging from the head based on the total movement amount and the image data; instruct droplet discharging only for an unprinted pixel for which the determination information indicates that droplet discharging has not been instructed; and rewrite the determination information of the unprinted pixel to indicate that droplet discharging has been instructed, based on a predetermined condition.

Abstract: An inkjet recording apparatus includes a recording unit, a first ink storage unit, a second ink storage unit, a discharge unit, a first detection unit configured to detect that an amount of the ink stored in the first ink storage unit is below a first predetermined amount, and a second detection unit configured to detect that an amount of the ink stored in the second ink storage unit is below a second predetermined amount. The inkjet recording apparatus further includes a control unit configured to control the discharge operation after the detection by the first detection unit and the detection by the second detection unit based on a detection timing of the first detection unit and a detection timing of the second detection unit.

Abstract: The present invention provides an imprint apparatus including a supply device including discharge ports which discharge a imprint material, and configured to supply the imprint material onto a substrate via the discharge ports, and a controller configured to cause, if there is a defective discharge port of the discharge ports, the supply device to discharge the imprint material from another discharge port, different from the defective discharge port, of the discharge ports, wherein a mold for the molding includes a line pattern, and the controller is configured to control the supply device such that an interval between supply positions of the imprint material do not become larger in a direction orthogonal to a direction along the line pattern than that before change from the defective discharge port to the other discharge port.

Abstract: After obtaining printing data, a user is allowed to specify regions whose amounts of ink consumed are estimated using high-resolution images, by which two regions (high-resolution estimation areas and low-resolution estimation areas) are set in a printing region. Thereafter, the amounts of ink (first amounts of ink) consumed are estimated using the high-resolution images regarding the regions set as the high-resolution estimation areas, and the amounts of ink (second amounts of ink) consumed are estimated using low-resolution images regarding the regions set as the low-resolution estimation areas. Finally, the total amount of ink consumed by printing is calculated from the first amounts of ink and the second amounts of ink.

Abstract: A method for evaluating performance of a plurality of nozzles of a printing head includes repeatedly operating each of the nozzles to print test marks on a surface of a substrate, each of the test marks printed by that nozzle being printed at a different time. At least once during the repeated operation of each of the nozzles, at least some of the test marks are erased from the surface. The test marks that were printed by that nozzle are inspected for a feature that is indicative of the performance of that nozzle.

Abstract: A method can be used to generate a fluid droplet pattern for an imprint lithography process using a fluid dispense system having fluid dispense ports. The method can include determining a fluid droplet pattern for dispensing a formable material onto a substrate; during a first pass, dispensing the formable material onto the substrate to form a first part of the fluid droplet pattern for an imprint field; offsetting the fluid dispense ports and substrate relative to each other in an offset direction; and during a second pass, dispensing the formable material onto the substrate to form a second part of the fluid droplet pattern for the imprint field. The method can be used to form a patterned layer over a semiconductor wafer in fabricating an electronic device. An apparatus can be configured to carry out the method.

Abstract: Examples analyze at least one of a plurality of planes of image data of print content to determine media expansion characteristics for the print content based at least in part on the at least one of the planes of image data. Examples adjust, prior to printing the print content, at least one plane of image data based at least in part on the media expansion characteristics to thereby compensate for media expansion during printing of the print content.

Abstract: A color adjustment determination method is provided that includes forming a color adjustment image on a recording medium by moving a plurality of heads including a plurality of nozzles relative to the recording medium in a relative moving direction and ejecting liquid from the plurality of heads that are arranged in an orthogonal direction orthogonal to the relative moving direction, acquiring colorimetric values of a plurality of portions of the color adjustment image formed by the plurality of heads that are arranged at different positions in the orthogonal direction, calculating a color difference between at least two portions of the plurality of portions of the color adjustment image based on the colorimetric values of the plurality of portions, and determining whether at least one of the plurality of heads that have ejected the liquid requires adjustment based on the calculated color difference.

Abstract: Provided is an ink jet recording apparatus capable of easily and more reliably performing fixation processing on a recording medium moved after image recording. The ink jet recording apparatus is provided with: an image forming unit (12) that ejects ink; a first conveyance unit (11) that conveys a recording medium (P) on which the ejected ink is to land and relatively moves the same with respect to the image forming unit; a fixation unit (24) that fixes the ink that has landed on the recording medium; a second conveyance unit (21) that conveys the recording medium on which the ink to be fixed has landed and relatively moves the same with respect to the fixation unit; and a first end pressing roller (215) and a second end pressing roller (216) which serve as a floating suppression unit that suppresses, from the ink-landed surface side, floating of the recording medium from a recording medium conveyance surface in the second conveyance unit.

Abstract: A method can be used to generate a fluid droplet pattern for an imprint lithography process using a fluid dispense system having fluid dispense ports. The method can include determining a first fluid droplet pattern for the formable material dispensed at a preset minimum pitch or an integer multiple thereof; determining a second fluid droplet pattern based on the first fluid droplet pattern, wherein the second fluid droplet pattern is a non-integer multiple of the preset minimum pitch; determining an adjusted speed of the substrate and the fluid dispense ports relative to each other to generate the second fluid droplet pattern; moving the substrate and the fluid dispense ports relative to each other at the adjusted speed; and dispensing the formable material through the fluid dispense ports at the preset frequency to form the second fluid droplet pattern on the substrate.

Abstract: An inkjet printing method, performed by an industrial inkjet system to form a decoration layer, includes the steps of printing copies of a decorative image with a printing unit on a substrate by transmitting consecutive bitmap rows of the decorative image to a printing unit, measuring dimensional changes in the substrate while printing copies of the decorative image, and compensating the dimensional changes while printing copies of the decorative image by one of: skipping at least one bitmap row of the decorative image upon dimensional expansion, or reprinting at least one bitmap row of the decorative image on the substrate upon dimensional shrink.

Abstract: An image processing apparatus has a determination unit that determines a print operation to be performed and a generation unit that generates quantized data for printing a dot by comparing a threshold value and the multi-valued data. In a case of performing a first print operation, dot arrangement of the multiple types of inks printed on the print medium by the print unit on a basis of pieces of quantized data generated by the generation unit is higher in exclusiveness and dispersibility between or among dots of the multiple types of inks and lower in an overlap rate between or among the dots of the multiple types of inks than dot arrangement of the multiple types of inks printed on the print medium by the print unit on a basis of the pieces of quantized data generated by the generation unit in the case of performing the second print operation.

Abstract: The disclosure discloses a non-transitory computer-readable medium storing a printing processing program for executing steps. In a line specification step, it is determined whether or not an on-dot ratio or the number of on-dots is equal to or greater than a threshold value and at least one print lines equal to or greater than a threshold value is specified. In a labeling step, a plurality of dot groups is identified such that on-dots adjacent to each other form one dot group. In a dot group specification step, at least one first dot groups including the at least one print lines is specified. In a density reduction process step, a density at the time of print formation of the on-dots included in the first dot groups is made lower than a density at the time of print formation of the on-dots included in at least one second dot groups.

Abstract: A printer comprises a conveyance section configured to convey labels which are attached to a belt-like mount at predetermined gaps along a longitudinal direction of the mount; a printing section, configured to perform printing on the label; a detection section configured to detect light passing through the mount and the label and to perform output in which the increase and decrease in an amount of transmitted light are reflected; and a recognition section configured to recognize edges of the label by setting a position where the amount of transmitted light increases as a beginning of the gap and setting a position where the amount of transmitted light decreases as an end of the gap, and pretermit a trough between an increasing portion and a decreasing portion adjacent to each other when the increase and the decrease in the amount of transmitted light are repeated in a short conveyance interval.

Abstract: An image processing apparatus, configured to generate print data to be outputted to a printing apparatus that prints an image by ejecting preprocessing liquid and ink onto a medium, includes a color conversion unit that converts image data representing the image into an amount of the preprocessing liquid, and a type and an amount of the ink for printing the image, and a print data generation unit that generates the print data on a basis of the amount of the preprocessing liquid and the type and amount of the ink.

Abstract: A method of dispensing material includes delivering an electronic substrate to a dispense position. The electronic substrate has at least two identical patterns and at least two fiducial marks. The method further includes capturing at least one image of the at least two fiducial marks provided on the electronic substrate, analyzing the at least one image to determine a position of the electronic substrate in X axis, Y axis and theta directions, calculating a rotational angle of the electronic substrate, and rotating a dispensing pump array to match an angle of the electronic substrate. Alternatively, the electronic substrate can be rotated to match an angle of the dispensing pump array.

Abstract: An apparatus includes a recording head including a first discharge port array and a second discharge port array, the first and second discharge port arrays being shifted and arranged in a first direction so that part of the discharge ports arranged at an end portion of the first discharge port array in the first direction and part of the discharge ports arranged at an end potion of the second discharge port array in the first direction are located at the same positions in the first direction. The plurality of discharge ports in each of the first and second discharge port arrays is obliquely arranged at a predetermined tilt with respect to the first direction. Discharge timing is adjusted based on the tilt of the discharge port arrays.

Abstract: A method of depositing printing fluid on a sheet of corrugated media comprises determining a deformation of a sheet of corrugated media, adjusting control parameters for a plurality of nozzles based on the determined deformation, and depositing printing fluid from the plurality of nozzles onto the sheet of corrugated media according to the adjusted control parameters.

Abstract: A printer, including a head, a light irradiation device and a controller, is provided. The controller includes: a first controller that prompts the printer to carry out a printing operation by an ejection amount v1 required of glossy-finish printing and with a standby time t1 required of glossy-finish printing; a second controller that prompts the printer to carry out the printing operation by an ejection amount v2 required of matte-finish printing and with a standby time t2 required of matte-finish printing; and a third controller that prompts the printer to carry out the printing operation by an ejection amount v3 and with a standby time t3. The ejection amount v3 is greater than the ejection amount v2 and less than or equal to the ejection amount v1. The standby time t3 is shorter than the standby time t1.

Abstract: An inkjet printer includes a head including a nozzle configured to eject pigment ink supplied from a tank during a print operation and during a purge operation and a purge mechanism. A controller configured to determine whether to control the purge mechanism to perform the purge operation for discharging the pigment ink from the nozzle and, when determining to control the purge mechanism to perform the purge operation, determine a remaining amount of the pigment ink remaining in the tank. The controller is configured to determine a discharge amount to be discharged from the nozzle when performing the purge operation based on the remaining amount of the pigment ink remaining in the tank and control the purge mechanism to perform the purge operation based on the discharge amount.

Abstract: An example apparatus includes a non-transitory computer-readable medium with instructions stored thereon to perform apparatus component initialization sequences. The apparatus component initialization sequences include a full initialization sequence and a short initialization sequence, A processor is to execute the instructions to capture apparatus component state information, determine upon reception of a signal indicative of power on of the apparatus whether a position of an apparatus component is within a threshold of an expected position, perform the short initialization sequence if the position of the apparatus component is within the threshold and using the captured apparatus component state information.

Abstract: First, shading charts are printed on a surface of a recording medium. Then, a plurality of captured images is acquired for a region of the same density of the shading charts printed on the recording medium. At this time, the amounts of displacement in the position of the recording medium in the main scanning direction, which is the direction of arrangement of nozzles, are also detected. Then, one super-resolution image with a higher resolution than the captured images is generated on the basis of the captured images and the amounts of displacement in the position of the recording medium in the main scanning direction. Thereafter, a variable-density correction amount is calculated for each of the nozzles on the basis of the generated super-resolution image.

Abstract: Forming functional layers including functional material in application regions by applying ink to the application regions then drying the ink, which contains the functional material, by causing nozzles to be scanned relative to the substrate along the row direction while, among the nozzles, only use-nozzles that are not selected as a defective nozzle eject the ink, the nozzles being arranged in the column direction over the substrate and including a nozzle selected in advance as a defective nozzle. Among the nozzles, when applying the ink, at least one reserve nozzle is present, a reserve nozzle being a nozzle that is not one of the use-nozzles, is not selected as the defective nozzle, passes over the application region, and does not eject the ink.

Abstract: An exposure control device serves for equipping and/or retrofitting a generative layer-wise building device. The exposure control device has a first data output interface, at which control commands can be output to the exposure device. The control commands specify one of a plurality of exposure types defined by a predetermined combination of a radiation energy density to be emitted by the exposure device and a scanning pattern with which the radiation is being directed to a region of a layer of the building material. The exposure control device also includes a second data output interface at which an exposure type can be output in real time in relation to a timing of the output of a control command specifying this exposure type.

Abstract: A printing apparatus comprises a printer that prints an image on a printing medium and a processor that controls printing by the printer.

Abstract: An inkjet recording apparatus includes: a conveyor having an endless conveying belt that conveys a recording medium; an image former that forms an image on the recording medium conveyed by the conveying belt; a correction mark formed on the conveying belt; a line sensor disposed downstream of the image former in a conveying direction of the recording medium, the line sensor having a linear detection surface; and a hardware processor that controls the conveying belt, the image former, and the line sensor, wherein the hardware processor calculates an inclination angle of the detection surface of the line sensor with respect to a width direction orthogonal to the conveying direction, based on image data of the correction mark read by the line sensor, and corrects image data of the line sensor based on the inclination angle.

Abstract: A method of manufacturing a three-dimensional object comprises: selecting a first ejector in a plurality of ejectors of a three-dimensional object printer with reference to a hardness identifier, the first ejector configured to eject a first material; selecting a second ejector in the plurality of ejectors with reference to a color identifier, the second ejector configured to eject a second material having a hardness that is different than a hardness of the first material; operating the first ejector to eject the first material toward a platen to form an inner portion of the object with the first material; and operating the second ejector to eject the second material toward the platen to form an outer layer of the object with the second material, the outer layer of the object surrounding at least a portion of the inner portion of the object.

Abstract: An image forming apparatus includes an image forming unit that forms an image on a recording medium according to image data, and an adjusting unit that adjusts the image around a cut when the recording medium has the cut.

Abstract: Examples describe a method in which first and second test patterns are printed onto a print medium. The first and second test patterns each vary in print density in opposing directions. A location is determined along the first and second test patterns having at least substantially equal visual density.

Abstract: Calibration and control of a 3D printing device is disclosed. In one aspect, sensor-based feedback may be used to iteratively determine and align line height calibration settings of the 3D printing device. In another aspect, the 3D printing device may include an instruction pre-processor to detect placeholder data in received machine instructions and to replace the placeholder data with instructions that are executable by the 3D printing device.

Abstract: Upon occurrence of an interruption factor before image data for one page of a target document has been stored in a storage device, a printing apparatus performs control to store specific data in a storage area of the storage device in which the remaining image data of the target document is to be stored. In a case where an interruption factor occurs before image data for one page of the target document has been stored in the storage device, the printing apparatus performs printing based on the image data of the target document and the specific data stored in the storage device.

Abstract: A recording apparatus includes a recording head including a plurality of ink discharge ports arranged in a predetermined direction, and a complementing unit configured to, according to discharge defect information identifying a defective discharge port at which a discharge defect has occurred among the plurality of ink discharge ports, determine to cause provision of complementary ink to be conducted from a different discharge port configured to discharge the ink at a different position from the identified defective discharge port, wherein the complementing unit determines to use a discharge port configured to provide the ink at a position on one side that is one of positions adjacent in the predetermined direction to a position at which the at least one discharge port provides the ink as the different discharge port for the discharge port identified as the defective discharge port.

Abstract: A power supply apparatus capable of switching an output voltage Vout based on an external control signal includes a control unit configured to perform control to stop an output from the power supply apparatus in a case where a voltage applied to a Vcc terminal is higher than a predetermined voltage Vovp. The Vcc terminal is connected to a primary-side auxiliary winding of a transformer via a regulator and the control unit operates based on power supplied to the Vcc terminal in normal operation. A base of an NPN transistor included in the regulator is connected to a ground via a first resistance R1 and a first zener diode ZD1. A second resistance R2 is provided between the base and a collector of the NPN transistor.

Abstract: In certain examples described herein, a depositing mechanism performs an overcoat depositing operation. The depositing mechanism comprises a plurality of print head arrays. Each print head array is arrangeable in a deposit position to deposit an overcoat layer onto a substrate and a service position to enable servicing to be performed. In certain cases, an array controller causes at least one print head array of the plurality of print head arrays to be moved periodically from the deposit position to the service position according to a predefined servicing sequence during an ongoing overcoat depositing operation performed by the depositing mechanism.

Abstract: In accordance with an embodiment, an image processing system comprises a discharge section, a first movable tray, a second movable tray, and a controller. The discharge section discharges a processed sheet. The first movable tray and the second movable tray vertically move to load the sheet discharged from the discharge section. The controller drives either one or both of the first movable tray and the second movable tray to carry out control to discharge a sheet to which an image forming processing is executed to one of the first movable tray and the second movable tray and carries out control to discharge a sheet to which a decoloring processing is executed to the other movable tray according to a type of a job received by a reception section.