Abstract: A printing apparatus includes: a conveying roller which conveys a print medium in a conveying direction; a line head having first and second nozzle rows arranged in the conveying direction; and a controller. Each of the first and second nozzle rows includes nozzles aligned along a width direction orthogonal to the conveying direction. The nozzles are configured to discharge liquid, and the nozzles in the first nozzle row and the nozzles in the second nozzle row are shifted in the width direction. The first nozzle row has: first nozzles forming a group; and second nozzles forming a group adjacently in the width direction to the group of first nozzles in the first nozzle row. The second nozzle row has: first nozzles forming a group; and second nozzles forming a group adjacently in the width direction to the group of first nozzles in the second nozzle row.

Abstract: There is provided a printing apparatus including: a holder configured such that a print medium wound in a roll shape is to be attached to the holder; a printer configured to perform printing on the print medium; a memory configured to store print condition information indicating a print condition regarding the print medium attached to the holder; and a controller configured to execute a processing of printing the print condition information on a condition print area of a single line or a plurality of lines on the print medium by using the printer.

Abstract: There is provided a printing apparatus including: a first nozzle configured to discharge an ink of a basic color; a second nozzle configured to discharge an ink of a special color; and a controller. The controller is configured to execute: a processing of causing a display to display a first preview image together with a second preview image, the first preview image corresponding to a first image to be formed by the ink of the basic color, the second preview image corresponding to a second image to be formed by the ink of the basic color and the ink of the special color; and a processing of printing the first image by the first nozzle, or a processing of printing the second image by the first and second nozzles, based on a selected preview image selected, by a user, from the first and second preview images.

Abstract: There is provided a printer including: a head including head chips; a conveyor; and a controller. The head chips are arranged in an intersecting direction that intersects with a conveyance direction, and two head chips adjacent to each other in the intersecting direction are shifted from each other in the conveyance direction. The controller is configured to execute: print a bar code having a first portion and a second portion; determine based on the printing data whether a seam between the two head chips is positioned in the first portion; and adjust a printing position of the bar code with respect to the head so that the seam is positioned in the second portion.

Abstract: A printing apparatus includes: a conveying roller which conveys a print medium in a conveying direction; a line head having first and second nozzle rows arranged in the conveying direction; and a controller. Each of the first and second nozzle rows includes nozzles aligned along a width direction orthogonal to the conveying direction. The nozzles are configured to discharge liquid, and the nozzles in the first nozzle row and the nozzles in the second nozzle row are shifted in the width direction. The first nozzle row has: first nozzles forming a group; and second nozzles forming a group adjacently in the width direction to the group of first nozzles in the first nozzle row. The second nozzle row has: first nozzles forming a group; and second nozzles forming a group adjacently in the width direction to the group of first nozzles in the second nozzle row.

Abstract: A printing apparatus includes: a head which discharges liquid to a medium; and a controller. The controller obtains print data for forming an image on the medium with a dot formed by making the liquid to land on the medium, the image including a code having information; selects, in the obtained print data, dot data corresponding to the dot forming the image as selected data, determines whether a first dot pattern including the selected dot data matches a predetermined delete pattern, and determines whether a second dot pattern including the selected dot data matches a predetermined exclusion pattern; performs a correction of the print data based on results of the determinations; and discharges the liquid from the head to the medium, based on the print data after the correction, to form the image on the medium.

Abstract: A printing apparatus includes: a head which discharges liquid to a medium; and a controller. The controller obtains print data for forming an image on the medium with a dot formed by making the liquid to land on the medium, the image including a code having information; selects, in the obtained print data, dot data corresponding to the dot forming the image as selected data, determines whether a first dot pattern including the selected dot data matches a predetermined delete pattern, and determines whether a second dot pattern including the selected dot data matches a predetermined exclusion pattern; performs a correction of the print data based on results of the determinations; and discharges the liquid from the head to the medium, based on the print data after the correction, to form the image on the medium.

Abstract: There is provided a printer including: a head including head chips; a conveyor; and a controller. The head chips are arranged in an intersecting direction that intersects with a conveyance direction, and two head chips adjacent to each other in the intersecting direction are shifted from each other in the conveyance direction. The controller is configured to execute: print a bar code having a first portion and a second portion; determine based on the printing data whether a seam between the two head chips is positioned in the first portion; and adjust a printing position of the bar code with respect to the head so that the seam is positioned in the second portion.

Abstract: A liquid discharge apparatus includes: a head which discharges a plurality of kinds of liquids; and a controller. The controller is configured to: calculate a total discharge amount of the liquids for a unit area of a recording medium based on discharge data for the unit area; determine whether the total discharge amount exceeds a predefined amount; in a case that the controller has determined that the total discharge amount exceeds the predefined amount, divide the discharge data into a plurality of pieces of divided discharge data, each of the pieces of divided discharge data indicating the total discharge amount of not more than the predefined amount; and perform a plurality of divided discharges for the unit area based on the pieces of divided discharge data.

Abstract: A printing apparatus includes: a head having a discharge surface in which a discharge port is opened, a pressure chamber which communicates with the discharge port, and an actuator which is configured to change a volume of the pressure chamber; a carriage configured to move the head in a scanning direction; a conveyor configured to move an object in a conveyance direction crossing the scanning direction; a posture changing mechanism configured to change a facing posture of the head with respect to the object; and a controller configured to control the actuator, the carriage, the conveyor and the posture changing mechanism, based on image data, to execute alternately and repeatedly a scanning operation and a conveying operation.

Abstract: A liquid discharge apparatus includes: a head which discharges a plurality of kinds of liquids; and a controller. The controller is configured to: calculate a total discharge amount of the liquids for a unit area of a recording medium based on discharge data for the unit area; determine whether the total discharge amount exceeds a predefined amount; in a case that the controller has determined that the total discharge amount exceeds the predefined amount, divide the discharge data into a plurality of pieces of divided discharge data, each of the pieces of divided discharge data indicating the total discharge amount of not more than the predefined amount; and perform a plurality of divided discharges for the unit area based on the pieces of divided discharge data.

Abstract: A printing apparatus includes: a head having a discharge surface in which a discharge port is opened, a pressure chamber which communicates with the discharge port, and an actuator which is configured to change a volume of the pressure chamber; a carriage configured to move the head in a scanning direction; a conveyor configured to move an object in a conveyance direction crossing the scanning direction; a posture changing mechanism configured to change a facing posture of the head with respect to the object; and a controller configured to control the actuator, the carriage, the conveyor and the posture changing mechanism, based on image data, to execute alternately and repeatedly a scanning operation and a conveying operation.

Abstract: There is provided a liquid discharge apparatus including: a liquid discharge head; a first channel communicating with a first communication port; a pump communicating with the first channel; a second channel communicating with the pump; a first switching valve communicating with the second channel; a third channel communicating with the first switching valve; a storage section communicating with the third channel; a fourth channel communicating with the storage section; a second switching valve communicating with the fourth channel; a fifth channel communicating with the second switching valve and the second communication port; and a sixth channel communicating with the first and second switching valves. The first switching valve connects the second channel and the third channel, or connects the second channel and the sixth channel The second switching valve connects the fifth and fourth channels, or connects the fifth and sixth channels.

Abstract: A liquid jetting head includes: a channel substrate having a nozzle surface in which nozzles are open, the channel substrate being formed with pressure chambers communicating with the nozzles respectively; and an actuator covering the pressure chambers. The pressure chambers include first pressure chambers arranged in an arrangement direction to form a first pressure chamber row. The nozzles include first nozzles communicating with the pressure chambers respectively. Any two first nozzles that are adjacent in the arrangement direction are arranged at different positions in the channel substrate with respect to an orthogonal direction which is parallel to the nozzle surface and orthogonal to the arrangement direction and different in a first distance. The first distance is a distance in the orthogonal direction between each first nozzle and an end on one side in the orthogonal direction of the first pressure chamber communicating with the first nozzle.

Abstract: An exhaust heat recovery device includes: a first pipe through which exhaust gas from an engine flows; a second pipe that communicates with the first pipe and bypasses the first pipe; a heat recovery unit that is disposed at an interior of the second pipe, and that exchanges heat between the exhaust gas and cooling water that circulates at an interior of the heat recovery unit, and that recovers heat of the exhaust gas; and a heat transfer suppressing mechanism that is provided at a portion connecting the first pipe with the second pipe, and that suppresses transfer of heat from the first pipe to the second pipe.

Abstract: There is provided a liquid discharge apparatus including: a liquid discharge head; a first channel communicating with a first communication port; a pump communicating with the first channel; a second channel communicating with the pump; a first switching valve communicating with the second channel; a third channel communicating with the first switching valve; a storage section communicating with the third channel; a fourth channel communicating with the storage section; a second switching valve communicating with the fourth channel; a fifth channel communicating with the second switching valve and the second communication port; and a sixth channel communicating with the first and second switching valves. The first switching valve connects the second channel and the third channel, or connects the second channel and the sixth channel The second switching valve connects the fifth and fourth channels, or connects the fifth and sixth channels.

Abstract: A liquid jetting head includes: a channel substrate having a nozzle surface in which nozzles are open, the channel substrate being formed with pressure chambers communicating with the nozzles respectively; and an actuator covering the pressure chambers. The pressure chambers include first pressure chambers arranged in an arrangement direction to form a first pressure chamber row. The nozzles include first nozzles communicating with the pressure chambers respectively. Any two first nozzles that are adjacent in the arrangement direction are arranged at different positions in the channel substrate with respect to an orthogonal direction which is parallel to the nozzle surface and orthogonal to the arrangement direction and different in a first distance. The first distance is a distance in the orthogonal direction between each first nozzle and an end on one side in the orthogonal direction of the first pressure chamber communicating with the first nozzle.

Abstract: A heat exchanger comprises a plurality of heat exchange segments juxtaposed in a housing, and a plug member connected fluid-tightly to the housing, and supporting the heat exchange segments to provide a coolant or cooling medium passage in each gap between the heat exchange segments adjacent to each other. Each heat exchange segment comprises a case having an opening only on a surface of the case, at least outside of the opening being plugged fluid-tightly by the plug member, and a guide member, e.g., fin accommodated in the case, and provided with a plurality of passages allowing only gas flow in a predetermined direction, and gas intake passages and gas exhaust passages at the upstream and downstream thereof, wherein an opening of the case is provided with a gas inlet port communicated with the gas intake passage, and a gas outlet port communicated with the gas exhaust passages.

Abstract: A liquid jetting head includes: a channel substrate having a nozzle surface in which nozzles are open, the channel substrate being formed with pressure chambers communicating with the nozzles respectively; and an actuator covering the pressure chambers. The pressure chambers include first pressure chambers arranged in an arrangement direction to form a first pressure chamber row. The nozzles include first nozzles communicating with the pressure chambers respectively. Any two first nozzles that are adjacent in the arrangement direction are arranged at different positions in the channel substrate with respect to an orthogonal direction which is parallel to the nozzle surface and orthogonal to the arrangement direction and different in a first distance. The first distance is a distance in the orthogonal direction between each first nozzle and an end on one side in the orthogonal direction of the first pressure chamber communicating with the first nozzle.