Abstract: The recording device includes an upstream transport roller pair capable of transporting a medium, a recording head configured to record an image by discharging ink at a predetermined timing on the medium transported downstream in a Dl direction by a predetermined transport amount by the upstream transport roller pair while moving in a Y-axis direction intersecting the D1 direction, an image capturing unit configured to read the image recorded on the medium by the recording head, and a control unit, wherein the control unit has a function of performing maintenance for a discharge failure of the ink, a correction of the transport amount, and a correction of the discharge timing of the ink based on the reading result of the image read by the image capturing unit.

Abstract: A liquid supply unit adapted to supply a liquid to a liquid ejection device is provided. The liquid ejection device includes an engagement hole, an engaged portion, an electrode portion having an electrode pin, and an introduction portion. The liquid supply unit includes first and second housings and a biasing member. The first housing has a liquid containing portion, a liquid supply portion supplying the liquid from the liquid containing portion to the introduction portion, and an engagement protrusion engageable with the engagement hole. The second housing has a terminal portion coming into electrical contact with the electrode portion and an engagement portion engageable with the engaged portion. The biasing member biases the second housing in a direction away from the first housing in a state in which the liquid supplying unit is attached to the liquid ejection device.

Abstract: A printing material supply system includes a printing device and a cartridge. The printing device has a cartridge mounting structure. The cartridge is removably attached to the cartridge mounting structure. The cartridge mounting structure has a device-side terminal, a lever, a first device-side locking element and a second device-side locking element. The device-side terminal is configured to contact with a cartridge-side terminal. The first device-side locking element is configured as part of the lever. The second device-side locking element is configured to engage with a second locking surface of a second cartridge-side locking element. The cartridge-side terminal has a cartridge-side contact portion configured to be in contact with the device-side terminal. The cartridge-side contact portion is provided on the negative Z-axis side of the second locking surface.

Abstract: A recording apparatus includes a carriage, a transport drive roller, and a plurality of gears. The carriage includes a recording head configured to record onto a medium. The carriage is configured to move in a movement region in a first direction and a second direction that is an opposite direction thereto. The transport drive roller is configured to transport the medium to a recording region in which the recording head performs recording. The plurality of gears are configured to transmit power of a motor to the transport drive roller. When the carriage is positioned at an end of the movement region in the second direction, at least a portion of one of the plurality of gears overlaps the carriage when viewed along a vertical direction that is parallel to a direction of gravity and overlaps the recording head when viewed along an axial direction of the transport drive roller.

Abstract: A boost switching device (115) for generating a boosted high voltage (Vh) includes a slew rate selection circuit (115s), decreases a selection value (k) to suppress noises when the temperature of the boost switching device (115) is low, and increases the selection value (k) to suppress a temperature increase when the temperature thereof is high. An internal average temperature of an in-vehicle engine control apparatus (100) is detected by an environmental temperature detection device (139), reference data (400) provided in a calculation control circuit unit (130) is used to calculate a relationship between a permissible engine rotational speed (Nk) at which the split injection can be continued at a current measured environmental temperature (Tx) and the selection value (k), and an appropriate selection value (k) corresponding to a current engine rotational speed (Ne) is determined.

Abstract: A printing material supply system 10 includes a printer 50 equipped with a holder 600 and cartridges 20 that are detachably attached to the holder 600. The holder 600 has a first apparatus-side locking element 810 and a lever 800. The first apparatus-side locking element 810 is formed as part of the lever 800. The cartridge 20 has a first cartridge-side locking element 210 that includes a first locking surface 211 to engage with the first apparatus-side locking element 810. The first cartridge-side locking element 210 has an extended surface 219 that prevents a negative Z-axis end 818 of the lever 800 from running on the first locking surface 211.

Abstract: A recording apparatus includes a carriage, a transport drive roller, and a plurality of gears. The carriage includes a recording head configured to record onto a medium. The carriage is configured to move in a movement region in a first direction and a second direction that is an opposite direction thereto. The transport drive roller is configured to transport the medium to a recording region in which the recording head performs recording. The plurality of gears are configured to transmit power of a motor to the transport drive roller. When the carriage is positioned at an end of the movement region in the second direction, at least a portion of one of the plurality of gears overlaps the carriage when viewed along a vertical direction that is parallel to a direction of gravity and overlaps the recording head when viewed along an axial direction of the transport drive roller.

Abstract: A liquid supply system adapted to be mounted in a carriage unit having a first liquid introduction portion and a second liquid introduction portion is proposed. The liquid supply system comprises two liquid supply units each having liquid supply portion adapted to liquid to the first and second liquid introduction portions, respectively. The two liquid supply units are adapted to be attached to and detached from the carriage unit. The liquid supply system further comprises a holder unit adapted to be attached to and detached from the carriage unit and adapted to fix the two liquid supply units to the carriage unit. The two liquid supply units are located between the holder unit and the carriage unit.

Abstract: A printing material supply system 10 includes a printer 50 equipped with a holder 600 and cartridges 20 that are detachably attached to the holder 600. The holder 600 has a first apparatus-side locking element 810 and a lever 800. The first apparatus-side locking element 810 is formed as part of the lever 800. The cartridge 20 has a first cartridge-side locking element 210 that includes a first locking surface 211 to engage with the first apparatus-side locking element 810. The first cartridge-side locking element 210 has an extended surface 219 that prevents a negative Z-axis end 818 of the lever 800 from running on the first locking surface 211.

Abstract: A recording device includes a liquid ejection head, a support unit that support a paper sheet, a transportation path along which the paper sheet is reversed and transported, and a transportation roller that transports the paper sheet, wherein a liquid absorbent is provided downstream in the transportation direction of the paper sheet relative to the transportation roller, and liquid absorbents are provided upstream in the transportation direction of the paper sheet relative to the transportation roller, and second liquid absorbent is provided between the liquid absorbent and the liquid absorbent.

Abstract: A boost switching device (115) for generating a boosted high voltage (Vh) includes a slew rate selection circuit (115s), decreases a selection value (k) to suppress noises when the temperature of the boost switching device (115) is low, and increases the selection value (k) to suppress a temperature increase when the temperature thereof is high. An internal average temperature of an in-vehicle engine control apparatus (100) is detected by an environmental temperature detection device (139), reference data (400) provided in a calculation control circuit unit (130) is used to calculate a relationship between a permissible engine rotational speed (Nk) at which the split injection can be continued at a current measured environmental temperature (Tx) and the selection value (k), and an appropriate selection value (k) corresponding to a current engine rotational speed (Ne) is determined.

Abstract: A recording apparatus includes a carriage that includes a recording head performing recording on a recording medium, and an edge detection unit detecting an edge of the recording medium, and is movable in a predetermined direction, in which, in a state in which the carriage is positioned at a predetermined position, the edge detection unit is positioned in a passing region of the recording medium in the movement direction of the carriage, and the predetermined position is a home position of the carriage.

Abstract: A liquid supply unit adapted to supply a liquid to a liquid ejection device is provided. The liquid ejection device includes an engagement hole, an engaged portion, an electrode portion having an electrode pin, and an introduction portion. The liquid supply unit includes first and second housings and a biasing member. The first housing has a liquid containing portion, a liquid supply portion supplying the liquid from the liquid containing portion to the introduction portion, and an engagement protrusion engageable with the engagement hole. The second housing has a terminal portion coming into electrical contact with the electrode portion and an engagement portion engageable with the engaged portion. The biasing member biases the second housing in a direction away from the first housing in a state in which the liquid supplying unit is attached to the liquid ejection device.

Abstract: A liquid supply system adapted to be mounted in a carriage unit having a first liquid introduction portion and a second liquid introduction portion is proposed. The liquid supply system comprises two liquid supply units each having liquid supply portion adapted to liquid to the first and second liquid introduction portions, respectively. The two liquid supply units are adapted to be attached to and detached from the carriage unit. The liquid supply system further comprises a holder unit adapted to be attached to and detached from the carriage unit and adapted to fix the two liquid supply units to the carriage unit. The two liquid supply units are located between the holder unit and the carriage unit.

Abstract: A printing material supply system includes a printing device and a cartridge. The printing device has a cartridge mounting structure. The cartridge is removably attached to the cartridge mounting structure. The cartridge mounting structure has a device-side terminal, a lever, a first device-side locking element and a second device-side locking element. The device-side terminal is configured to contact with a cartridge-side terminal. The first device-side locking element is configured as part of the lever. The second device-side locking element is configured to engage with a second locking surface of a second cartridge-side locking element. The cartridge-side terminal has a cartridge-side contact portion configured to be in contact with the device-side terminal. The cartridge-side contact portion is provided on the negative Z-axis side of the second locking surface.

Abstract: A technique of enhancing attachment of a liquid supply unit to a liquid ejection device is provided. A holder structure 200 is provided as a mounting mechanism configured to cause a first ink cartridge 100a and a second ink cartridge 100b to be attachable to and detachable from a carriage 27 of a printing device 10. The holder structure 200 has a lever member 230 provided as a rotation mechanism to be rotated and thereby lock the first and the second ink cartridges 100a and 100b. The lever member 230 includes a first leg section 231a, a second leg section 231b formed away from the first leg section 231a and a bridging section 232 formed between the first and the second leg sections 231a and 231b to engage with a main engagement part 120 of each of the ink cartridges 100a and 100b.

Abstract: A recording apparatus includes a recording head, a carriage having an opening on which the recording head is mounted in a state that the liquid ejection surface of the recording head faces the opening, the carriage being configured to reciprocate, a ground member that is mounted on the carriage so as to ground the recording head, and a sensor unit that is mounted on the carriage so as to perform sensing by using reciprocation of the carriage and has a ground mechanism which is connected to the ground member, wherein the ground member is disposed at a position in contact with the recording head mounted on the opening.

Abstract: A printing material supply system includes a printing device and a cartridge. The printing device has a cartridge mounting structure. The cartridge is removably attached to the cartridge mounting structure. The cartridge mounting structure has a device-side terminal, a lever, a first device-side locking element and a second device-side locking element. The device-side terminal is configured to contact with a cartridge-side terminal. The first device-side locking element is configured as part of the lever. The second device-side locking element is configured to engage with a second locking surface of a second cartridge-side locking element. The cartridge-side terminal has a cartridge-side contact portion configured to be in contact with the device-side terminal. The cartridge-side contact portion is provided on the negative Z-axis side of the second locking surface.

Abstract: A recording apparatus includes a carriage that includes a recording head performing recording on a recording medium, and an edge detection unit detecting an edge of the recording medium, and is movable in a predetermined direction, in which, in a state in which the carriage is positioned at a predetermined position, the edge detection unit is positioned in a passing region of the recording medium in the movement direction of the carriage, and the predetermined position is a home position of the carriage.

Abstract: A recording apparatus includes a carriage, a support unit, and a power transmission mechanism. The carriage includes a recording head configured to record onto a medium, and the carriage is configured to move in a first direction and a second direction that is an opposite direction thereto. The support unit supports the carriage. The power transmission mechanism is configured to transmit power of a drive source to a transport unit configured to transport the medium. At least a portion of the power transmission mechanism is positioned below the carriage when moved to an end part in the second direction.