WO2019059128A1 - Cartouche - Google Patents

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Publication number
WO2019059128A1
WO2019059128A1 PCT/JP2018/034205 JP2018034205W WO2019059128A1 WO 2019059128 A1 WO2019059128 A1 WO 2019059128A1 JP 2018034205 W JP2018034205 W JP 2018034205W WO 2019059128 A1 WO2019059128 A1 WO 2019059128A1
Authority
WO
WIPO (PCT)
Prior art keywords
cartridge
liquid supply
contact
liquid
protrusion
Prior art date
Application number
PCT/JP2018/034205
Other languages
English (en)
Japanese (ja)
Inventor
石澤　卓
忠弘 水谷
教幸 深澤
瞬 大屋
Original Assignee
セイコーエプソン株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by セイコーエプソン株式会社 filed Critical セイコーエプソン株式会社
Priority to JP2019543618A priority Critical patent/JPWO2019059128A1/ja
Publication of WO2019059128A1 publication Critical patent/WO2019059128A1/fr

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Classifications

    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17506—Refilling of the cartridge
    • B41J2/17509—Whilst mounted in the printer
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17513—Inner structure
    • 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/1752—Mounting within the printer

Definitions

  • the present invention relates to the technology of a cartridge.
  • Patent Documents 1 to 5 Conventionally, techniques for supplying ink to a printer using two types of cartridges are known (for example, Patent Documents 1 to 5).
  • One first cartridge of the two types of cartridges contains one type of ink (for example, black ink).
  • the other second cartridge of the two types of cartridges contains, for example, a plurality of types of ink (for example, yellow, cyan, and magenta inks).
  • each of the two types of cartridges is provided with a contact portion electrically connected by being in contact with the printer side terminal provided in the printer.
  • Information on the cartridge is exchanged between the printer and the cartridge by the contact portion being electrically connected to the printer side terminal.
  • the information on the cartridge includes, for example, information indicating the type of liquid to be stored, information indicating the amount of liquid to be stored, information indicating the consumption of liquid, and information indicating the date of manufacture of the cartridge.
  • a chimney type supply mechanism for example, Patent Documents 1 to 3 and 5
  • a needle type supply mechanism for example, Patent Document 4
  • the ink is supplied from the ink supply unit to the ink discharge unit in a state where the surface of the ink supply unit of the cartridge holding the ink is in surface contact with the upper surface of the ink discharge unit of the printer.
  • Ru ink is supplied to the ink flow path in the ink supply needle in a state where the ink supply needle of the printer is inserted into the ink supply port of the cartridge.
  • a valve member for opening and closing the flow path in the ink supply port and a seal member for preventing ink leakage from the gap between the ink supply needle and the ink supply port are provided in the ink supply port. It may be provided. Therefore, when the ink supply needle is inserted into the ink supply port, the cartridge may receive an external force from the ink supply needle via the valve member and the seal member. When the cartridge receives an external force, the cartridge may move to some extent even when the cartridge is mounted on the printer.
  • the cartridge receives an inertial force associated with the reciprocation of the carriage. That is, when the movement direction of the carriage is switched from one direction (for example, the forward direction) to the other direction (return direction), acceleration and deceleration of the carriage applies a large inertial force (external force) to the cartridge. May rotate or rock.
  • the portion where the contact portion is arranged may be deformed by an external force. As a result, the position of the contact portion may be displaced, and the contact between the printer terminal and the contact portion may not be maintained.
  • the second cartridge containing a plurality of types of ink tends to generally have a larger weight than the first cartridge containing a single type of ink. Therefore, the second cartridge receives a large amount of inertial force generated by acceleration and deceleration of the carriage, and may move significantly as the carriage reciprocates.
  • a device different from the first cartridge is required.
  • such a demand is not limited to the cartridge for storing the ink to be supplied to the printer, but is common to the cartridge for storing the liquid for supplying to the liquid ejecting apparatus other than the printer.
  • the present invention has been made to solve at least a part of the above-described problems, and can be realized as the following modes or application examples.
  • (1-1) when three directions orthogonal to each other are a Z direction, an X direction, and a Y direction, the carriage reciprocating in the X direction, and the X in the carriage
  • a liquid ejecting apparatus having a plurality of liquid supply needles provided side by side in a direction, an apparatus side terminal provided in the carriage, and an apparatus side engaging portion provided in the carriage
  • a cartridge is provided which is mounted alongside other cartridges having two liquid supply ports.
  • the cartridge has a bottom surface and a top surface opposite in the Z direction, a first side surface and a second side surface opposite in the Y direction, and a position on the bottom surface closer to the second side surface than the first side surface.
  • the cartridge in the mounted state where the cartridge is mounted to the carriage of the liquid ejecting apparatus, it is possible to suppress the movement of the cartridge when it is influenced by an external force or an inertial force accompanying the reciprocating movement of the carriage. Thereby, the fluctuation of the position of the contact portion with respect to the device side terminal can be reduced. Therefore, it is possible to maintain good contact between the contact portion and the device side terminal.
  • a third side surface and a fourth side surface opposing in the X direction a corner portion where the first side surface and the third side surface intersect, the first side surface, and the first side surface
  • the movement of the cartridge can be regulated by the recess. Thereby, the fluctuation of the position of the contact portion can be further suppressed, and the contact between the contact portion and the device-side terminal can be maintained better.
  • the uneven portion may be provided to fit with the cartridge identification convex portion provided on the carriage, and the uneven portion may extend from the bottom side to the upper side of the first side surface. According to the above aspect, the movement of the cartridge can be regulated by the uneven portion. Thereby, the fluctuation
  • (2-1) when three directions orthogonal to one another are taken as a Z direction, an X direction and a Y direction, a carriage reciprocating along the X direction, and the carriage And another cartridge provided with one liquid supply port in the carriage of the liquid ejecting apparatus having a plurality of liquid supply needles arranged in the X direction inside and an apparatus side terminal provided in the carriage Cartridges are provided, mounted side by side.
  • the cartridge has a bottom surface and a top surface opposite in the Z direction, a first side surface and a second side surface opposite in the Y direction, and a position on the bottom surface closer to the second side surface than the first side surface.
  • the first surface portion is located on the -X direction side which is one direction of the X direction, and the second surface portion is the other direction of the X direction
  • the projecting surface portion is provided on the + X direction side, and in the X direction, the projecting surface portion is provided between the first surface portion and the second surface portion, and the projecting surface portion is a part of the odd number of three or more liquid supply ports.
  • An arrangement portion for arranging the plurality of contact portions on the projecting surface portion including the central axis of the liquid supply port at the center and intersecting the predetermined YZ plane orthogonal to the X direction;
  • the first side portion on the ⁇ X direction side and the second side portion on the + X direction side of the protruding surface portion are located between two regulating portions provided on the carriage, and Direction from the second side to the first side in the direction
  • the central axis of the liquid supply port at the center is located in the range in which the projecting surface portion is located in the X direction
  • the center of the center is located in the range where the first surface portion is located in the X direction.
  • the central axis of the liquid supply port on the -X direction side with respect to the liquid supply port is located, and in the X direction, within the range where the second surface portion is located, the + X direction side with respect to the central liquid supply port.
  • the central axis of the liquid supply port is located.
  • the rigidity of the second side surface can be increased.
  • the disposition portion is provided on the projecting surface portion having higher rigidity, and the contact portion is provided on the disposition portion. Therefore, since the fluctuation
  • the movement of the projecting surface portion in which the contact portion is disposed can be suppressed by the restricting portion by positioning the first side portion and the second side portion of the projecting surface portion between the two restricting portions.
  • the contact with a contact part and the apparatus side terminal can be maintained more favorably.
  • the projecting surface is provided between the first surface and the second surface in the X direction, and the central axis of the central liquid supply port is located in the range in which the projecting surface is located in the X direction .
  • the movement of the projecting surface portion can be regulated in a balanced manner by the two regulating portions from both sides in the X direction of the projecting surface portion. Therefore, since the fluctuation
  • the projecting surface is provided between the first surface and the second surface in the X direction, and the central axis of the central liquid supply port is located in the range in which the projecting surface is located in the X direction .
  • the dimensions in the X direction of the first and second surface portions can be increased to some extent.
  • the dimension of the restricting portion in the X direction can be increased to a certain extent corresponding to the first surface portion and the second surface portion, so that the rigidity of the restricting portion can be increased. Therefore, since the movement of the projecting surface portion can be restricted by the restriction portion with high rigidity, it is possible to further suppress the fluctuation of the position of the contact portion.
  • the user can use the projecting surface portion as a mark when mounting the cartridge on the carriage. Therefore, the possibility of mounting the cartridge on the carriage in the state where the first side and the second side are reversed can be reduced.
  • the arrangement portion is provided with the plurality of contact portions on the protruding surface portion, so that the arrangement portion is more than other portions when the user or the manufacturer accidentally drops the cartridge. The possibility of colliding with the falling surface is also increased.
  • the contacts are often provided on the circuit board.
  • a memory device memory is often provided on or around the circuit board. That is, in the above embodiment, when the cartridge falls, the circuit board and the storage device are actively destroyed. As a result, when the cartridge is mounted on the carriage, the liquid ejecting apparatus can easily detect a defect of the cartridge.
  • the engaging member is provided on the second side surface at a position closer to the upper surface than the plurality of contact portions, and in the mounted state, the engaging member
  • the cartridge side engaging portion which is a part of the above, may be locked to the lower surface of the device side engaging portion provided on the carriage.
  • the movement of the cartridge can be reduced by having the engagement member.
  • the first side is further provided with a first protrusion projecting in the ⁇ X direction
  • the second side is in the + X direction
  • the first protrusion and the second protrusion are positioned closer to the upper surface than the contact portion in the Z direction and positioned closer to the bottom surface than the engagement member.
  • the first protrusion may abut on one of the restricting portions of the two restricting portions
  • the second protrusion may abut on the other restricting portion of the two restricting portions.
  • the movement of the projecting surface portion can be further restricted by the first projection abutting on one of the restricting portions and the second projection abutting on the other restricting portion.
  • the contact with a contact part and the apparatus side terminal can be maintained still more favorably.
  • the first protrusion and the second protrusion are located on the upper surface side of the contact portion in the Z direction and on the bottom surface side of the engaging member. Thus, the peristalsis of the cartridge can be reduced.
  • the engagement member may be provided on the protruding surface portion. According to the above aspect, by providing the engaging member to the projecting surface portion with higher rigidity, the possibility of deformation of the projecting surface portion can be reduced, and the deformation of the engaging member and the shift of the locking position can be reduced. Therefore, the contact between the contact portion and the device-side terminal can be maintained better.
  • the first side is further provided with a first protrusion projecting in the ⁇ X direction
  • the second side is in the + X direction
  • the first protrusion and the second protrusion are positioned closer to the upper surface than the contact portion in the Z direction and positioned closer to the bottom surface than the engagement member.
  • the first protrusion may abut on one of the restricting portions of the two restricting portions
  • the second protrusion may abut on the other restricting portion of the two restricting portions.
  • the movement of the projecting surface portion can be further restricted by the first projection abutting on one of the restricting portions and the second projection abutting on the other restricting portion.
  • the contact with a contact part and the apparatus side terminal can be maintained still more favorably.
  • the first protrusion and the second protrusion are located on the upper surface side of the contact portion in the Z direction. Thus, the peristalsis of the cartridge can be reduced.
  • At least one of the concave portion and the convex portion may be provided on the first surface portion and the second surface portion at an interval from the protruding surface portion. According to the above aspect, the rigidity of the first surface portion and the second surface portion can be increased.
  • a protrusion is provided on the bottom surface, the protrusion is provided at a position closer to the first side surface than the second side surface on the bottom surface, and the protrusion is Two may be provided so as to sandwich a plane perpendicular to the X direction including the central axis of the central liquid supply port.
  • the projection can restrict the movement of the cartridge to rotate along the YZ plane parallel to the Y direction and the Z direction.
  • the central contact portion provided at the center in the X direction among the plurality of contact portions includes the central axis of the liquid supply port at the central and is perpendicular to the X direction It may intersect with the face. According to the above-mentioned form, change of a position of a plurality of contact parts can be made small.
  • the plurality of contact portions are disposed so as to be symmetrical in the X direction including a central axis of the liquid supply port at the center and being perpendicular to the X direction. It may be done. According to the above aspect, the maximum fluctuation amount of the contact portion can be reduced.
  • the odd number of liquid supply ports may be arranged on a straight line parallel to the X direction. According to the above aspect, the connection between the liquid supply port and the liquid supply needle can be maintained well, and the leakage of the liquid and the intrusion of air into the liquid supply needle can be reduced.
  • the cartridge further has a recess provided on the bottom surface closer to the first side surface than the second side surface and receiving a device-side protrusion provided on the carriage. It may be According to the above aspect, the movement of the cartridge can be regulated by inserting the device-side protrusion into the recess. Therefore, the fluctuation
  • the present invention can also be realized in various forms other than a cartridge and a cartridge.
  • the present invention can be realized in the form of a cartridge manufacturing method, a liquid ejection system including a cartridge and a head, and a cartridge set including a cartridge including one liquid supply port and a cartridge including an odd number of liquid supply ports.
  • FIG. 2 is a perspective view showing the configuration of a liquid ejection system.
  • FIG. 1 for explaining an external force applied to a second cartridge.
  • FIG. 2 is a diagram for explaining an external force applied to a second cartridge.
  • FIG. 30-30 sectional drawing of FIG. The schematic diagram of the part enclosed with the square of FIG. 32-32 sectional drawing of FIG.
  • the figure for demonstrating the 2nd cartridge which used the adapter. The figure for demonstrating the 2nd cartridge which used the adapter.
  • the conceptual diagram of a 2nd cartridge The conceptual diagram of a 2nd cartridge.
  • the conceptual diagram of a 2nd cartridge The conceptual diagram of a 2nd cartridge.
  • the conceptual diagram of a 2nd cartridge. The conceptual diagram of the 2nd type 2nd cartridge.
  • the schematic diagram of a 2nd type 2nd cartridge The schematic diagram of the 2nd type 2nd cartridge.
  • the schematic diagram of the 2nd type 2nd cartridge. The schematic diagram of the 2nd type 2nd cartridge.
  • the figure for demonstrating a 2nd cartridge The figure for demonstrating a 2nd cartridge.
  • the figure for demonstrating a 2nd cartridge The figure for demonstrating a 2nd cartridge.
  • the figure for demonstrating a 2nd cartridge The figure which shows other embodiment of the terminal shape of a circuit board. The figure which shows other embodiment of the terminal shape of a circuit board. The figure which shows other embodiment of the terminal shape of a circuit board. The figure which shows other embodiment of the terminal shape of a circuit board. The figure which shows other embodiment of the terminal shape of a circuit board.
  • FIG. 1 is a perspective view showing the configuration of a liquid ejection system 90.
  • the XYZ axes in FIG. 1 correspond to the XYZ axes in the other figures.
  • the XYZ axes are attached as needed to the drawings shown after this.
  • the direction along the X axis is taken as the X direction, the direction along the Y axis as the Y direction, and the direction along the Z axis as the Z direction.
  • one direction in the X direction is taken as the + X direction
  • the other direction in the X direction is taken as the ⁇ X direction.
  • one direction in the Y direction is taken as the + Y direction, and the other direction is taken as the ⁇ Y direction.
  • one direction in the Z direction is taken as the + Z direction, and the other direction is taken as the ⁇ Z direction.
  • the Z direction is the vertical direction
  • the + Z direction is the antigravity direction (upper direction).
  • the direction is the gravity direction (downward direction).
  • the Y direction is the front-rear direction
  • the X direction is the width direction (left-right direction).
  • the liquid ejection system 90 includes a cartridge set 5 consisting of two types of cartridges 10 and 20, and a liquid ejection device 50.
  • the user mounts the two types of cartridges 10 and 20 on the cartridge holder 60 of the liquid ejection device 50 in a removable manner.
  • the liquid ejecting apparatus 50 is an inkjet printer capable of printing on a sheet up to about A3 size.
  • the liquid ejecting apparatus 50 has a head 540 capable of ejecting three or more types of liquid. In the present embodiment, the head 540 can eject four types of ink having different colors (black ink, yellow ink, magenta ink, cyan ink).
  • the cartridge 10 is also referred to as a "first cartridge 10”
  • the cartridge 20 is also referred to as a "second cartridge 20".
  • the first cartridge 10 and the second cartridge 20 are mounted on the cartridge holder 60 side by side in the X direction.
  • the first cartridge 10 contains one type of liquid.
  • the first cartridge 10 contains black ink.
  • the second cartridge 20 contains three types of ink, yellow ink, magenta ink, and cyan ink. That is, the second cartridge 20 has three or more types (four types in this embodiment) of liquids that can be ejected by the head 540, of the remaining types of liquid excluding one type of liquid contained in the first cartridge 10. Contain multiple types of liquids.
  • the number and type of the cartridges mounted to the cartridge holder 60 are not limited to the present embodiment. For example, two first cartridges 10 and one second cartridge 20 may be attached to the cartridge holder 60.
  • the configuration of the cartridge holder 60 may be changed according to the number of cartridges.
  • the type of liquid stored in the first cartridge 10 and the second cartridge 20 is not limited to the present embodiment.
  • the second cartridge 20 may contain ink of another color (e.g., light magenta or light cyan).
  • the second cartridge 20 may be configured to be able to store two types of liquids, or may be configured to be able to store four or more types of liquids.
  • the liquid ejecting apparatus 50 includes, in addition to the cartridge holder 60, a control unit 510 and a carriage 520 having the cartridge holder 60.
  • the carriage 520 comprises the head 540 described above.
  • the liquid ejecting apparatus 50 causes the ink to flow from the first cartridge 10 and the second cartridge 20 mounted in the cartridge holder 60 to the head 540 via a liquid supply needle described later.
  • the ink distributed to the head 540 is ejected (supplied) from the head 540 to a print medium 515 such as paper or a label.
  • a print medium 515 such as paper or a label.
  • the control unit 510 controls each part of the liquid ejecting apparatus 50.
  • the carriage 520 is configured to be movable relative to the print medium 515.
  • the head 540 includes an ink ejection mechanism that ejects the ink supplied from the cartridges 10 and 20 mounted on the cartridge holder 60 onto the print medium 515.
  • the control unit 510 and the carriage 520 are electrically connected via the flexible cable 517, and the ink ejection mechanism of the head 540 operates based on the control signal from the control unit 510.
  • the carriage 520 comprises a head 540 and a cartridge holder 60.
  • the type of liquid ejection device 50 in which the cartridge 20 is mounted on the cartridge holder 60 on the carriage 520 for moving the head 540 is also referred to as "on carriage type”.
  • the immovable cartridge holder 60 is configured at a site different from the carriage 520, and the ink from the cartridge 20 mounted on the cartridge holder 60 is supplied to the head 540 of the carriage 520 through a flexible tube. It is good.
  • Such printer types are also referred to as "off-carriage types”.
  • the liquid ejecting apparatus 50 includes a main scan feed mechanism and a sub scan feed mechanism for relatively moving the carriage 520 and the print medium 515 to realize printing on the print medium 515.
  • the main scan feed mechanism of the liquid ejecting apparatus 50 includes a carriage motor 522 and a drive belt 524. By transmitting the power of the carriage motor 522 to the carriage 520 via the drive belt 524, the carriage 520 reciprocates along the X direction.
  • the sub-scan feed mechanism of the liquid ejecting apparatus 50 includes a transport motor 532 and a platen 534, and transports the print medium 515 in the + Y direction by transmitting the power of the transport motor 532 to the platen 534.
  • the direction in which the carriage 520 reciprocates may be referred to as the main scanning direction, and the direction in which the print medium 515 is transported may be referred to as the sub-scanning direction.
  • the main scanning direction is the X direction
  • the sub scanning direction is the Y direction.
  • the carriage motor 522 of the main scanning feed mechanism and the transport motor 532 of the sub scanning feed mechanism operate based on the control signal from the control unit 510.
  • FIG. 2 is a first top view of the carriage 520.
  • FIG. 3 is a second top view of the carriage 520.
  • FIG. 4 is a first perspective view of the carriage 520.
  • FIG. 5 is a second perspective view of the carriage 520.
  • FIG. 6 is a first explanatory view for explaining the configuration of the contact mechanism 70A.
  • FIG. 7 is a second explanatory view for explaining the configuration of the contact mechanism 70A.
  • FIG. 2 also shows the first cartridge 10 and the second cartridge 20 in the cartridge holder 60 in the state of being properly mounted in the designed mounting position.
  • the state of being properly mounted at the designed mounting position is a position where each terminal of the cartridge side terminal group described later contacts each corresponding terminal of the device side terminal group of the contact mechanism 70 of the liquid ejecting apparatus 50. In which the cartridges 10 and 20 are positioned.
  • the cartridge holder 60 (FIG. 4, FIG. 5) has five wall portions 601, 603, 604, 605, 606.
  • the concave portion formed by the five wall portions 601, 603, 604, 605, 606 becomes a cartridge mounting portion 602 (also referred to as "cartridge storage chamber 602") for mounting the cartridges 10, 20.
  • the cartridge mounting portion 602 (FIGS. 2 and 3) is located on the + X direction side, and the first mounting portion 602W for mounting the first cartridge 10 and the ⁇ X direction side for mounting the second cartridge 20.
  • a second mounting portion 602T The upper side (+ Z direction side) of the cartridge mounting portion 602 is open, and the cartridges 10 and 20 are attached to and detached from the cartridge holder 60 through the opening.
  • the wall portion 601 is also referred to as “device-side bottom wall portion 601”.
  • the wall portion 603 is also referred to as “first device side wall portion 603”.
  • the wall portion 604 is also referred to as a “second device side wall portion 604”.
  • the wall portion 605 is also referred to as “third device side wall portion 605”.
  • the wall portion 606 is also referred to as “fourth device side wall portion 606”.
  • the device-side bottom wall portion 601 forms the bottom surface of the concave cartridge mounting portion 602.
  • the first to fourth device side wall portions 603, 604, 605, 606 rise from the device-side first wall portion 601 in the + Z direction, and form the side surface of the concave cartridge mounting portion 602.
  • the first device side wall portion 603 and the second device side wall portion 604 face each other in the Y direction.
  • the first device side wall portion 603 is located on the -Y direction side
  • the second device side wall portion 604 is located on the + Y direction side.
  • the third device side wall portion 605 and the fourth device side wall portion 606 face each other in the X direction.
  • the third device side wall portion 605 is located on the + X direction side
  • the fourth device side wall portion 606 is located on the ⁇ X direction side.
  • the cartridge holder 60 (FIGS. 3 to 5) further includes a plurality of liquid supply needles 640 and a plurality of contact mechanisms 70 having device side terminals.
  • a plurality of liquid supply needles 640 In the present embodiment, four liquid supply needles 640 are provided. When the four liquid supply needles 640 are used separately, the codes “640A”, “640B”, “640C”, and “640D” are used.
  • two contact mechanisms 70 are provided. When the two contact mechanisms 70 are used separately, reference numerals “70A” and “70B” are used.
  • the liquid supply needle 640 (FIG. 5) is provided in the cartridge mounting portion 602 inside the carriage 520 (the cartridge holder 60).
  • the liquid supply needle 640 has a flow path through which the liquid flows.
  • the liquid supply needles 640 are inserted into the corresponding liquid supply ports 180, 280 (FIG. 2) of the cartridges 10, 20. Thereby, the liquid stored in the cartridges 10 and 20 is introduced into the flow path inside the liquid supply needle 640.
  • the liquid introduced into the liquid supply needle 640 is supplied to the head 540.
  • the liquid supply needle 640 (FIG. 5) is a member extending in the + Z direction from the device-side first wall 601, and has a proximal end 645 and a distal end 642.
  • the proximal end 645 side of the liquid supply needle 640 has a cylindrical shape, and the distal end 642 side has a substantially conical shape whose outer diameter decreases toward the + Z direction side.
  • the proximal end 645 forms the -Z direction end of the liquid supply needle 640.
  • the tip portion 642 forms the + Z direction side end of the liquid supply needle 640.
  • the leading end portion 642 is formed with an introduction hole for introducing the liquid supplied from the cartridges 10 and 20 into the internal flow path.
  • the liquid supply needle 640 has a central axis C along the Z direction.
  • the four liquid supply needles 640A to 640D are arranged side by side in the X direction.
  • the four liquid supply needles 640A to 640D are disposed in a portion of the device-side bottom wall portion 601 surrounded by the frame-shaped device-side regulating wall portion 615 which rises from the device-side bottom wall portion 601 in the + Z direction.
  • the three liquid supply needles 640A to 640C are disposed in the area 611 located on the ⁇ X direction side in the area surrounded by the device-side regulating wall 615.
  • One liquid supply needle 640D is disposed in the area 612 located on the + X direction side among the areas surrounded by the device-side regulating wall 615.
  • the device-side regulating wall portion 615 regulates the movement of the first cartridge 10 and the second cartridge 20 in a state (mounted state) in which the first cartridge 10 and the second cartridge 20 are mounted to the cartridge holder 60. Specifically, the device-side restricting wall portion 615 restricts the movement of the first cartridge 10 and the second cartridge 20 along the XY plane parallel to the X direction and the Y direction. The details of the regulation of the movement of the first cartridge 10 and the second cartridge 20 by the device-side regulating wall portion 615 will be described later.
  • Three liquid supply needles 640A to 640C are disposed in the second mounting portion 602T.
  • the three liquid supply needles 640A to 640C are inserted into three corresponding liquid supply ports 280 of the second cartridge 20, respectively.
  • different types of liquids stored in the second cartridge 20 flow in the three liquid supply needles 640A to 640C.
  • yellow ink flows through the liquid supply needle 640A
  • magenta ink flows through the liquid supply needle 640B
  • cyan ink flows through the liquid supply needle 640C.
  • the liquid supply needle 640D is inserted into one liquid supply port 180 of the first cartridge 10.
  • the liquid (black ink in the present embodiment) stored in the first cartridge 10 flows in the liquid supply needle 640D.
  • the liquid that has flowed into each of the liquid supply needles 640A to 640D is supplied to the head 540 (FIG. 2).
  • the contact mechanism 70 (FIG. 4) is provided on the first device side wall portion 603.
  • the contact mechanism 70A has an apparatus-side terminal (apparatus-side terminal group 799) in contact with a contact portion of the second cartridge 20, which will be described later, in a mounted state of the second cartridge 20.
  • the contact mechanism 70B has an apparatus-side terminal (apparatus-side terminal group 799) in contact with a contact portion of the first cartridge 10, which will be described later, in the mounted state of the first cartridge 10.
  • the contact mechanism 70A (FIGS. 6 and 7) has contact forming members 703 and 704 that contact the cartridge side terminals of the second cartridge 20 (the first cartridge 10 in the case of the contact mechanism 70B).
  • a plurality of slits 701 and 702 (shown in FIG. 6) having different depths at substantially constant pitches so as to correspond to the cartridge terminals 431 to 439 of the cartridge terminal group 499. 7) are alternately formed.
  • a holding member 705 (FIG. 6) is disposed in each of the slits 701 and 702.
  • Contact forming members 703 and 704 having conductivity and elasticity are fitted in the holding members 705 of the slits 701 and 702, respectively.
  • the contact forming members 703 and 704 can be elastically deformed in the direction in which both end portions include the Y direction component with the portion in contact with the holding member 705 as a fulcrum.
  • the end 792 exposed in the cartridge mounting portion 602 is the circuit board 400 (the first cartridge 10) of the second cartridge 20 (the first cartridge 10 in the case of the contact mechanism 70B).
  • the cartridge terminal elastically contacts the corresponding cartridge side terminal among the cartridge side terminals 431 to 439 which the circuit board 30 described later has.
  • the end portion 792 is elastically deformed in the ⁇ Y direction side more than the non-loaded state by being pressed to the ⁇ Y direction side by the cartridge side terminal group 499.
  • the cartridge side terminal group 499 is pressed in the + Y direction by the end portion 792, so that the contact between the contact formation members 703 and 704 and the cartridge side terminal group 499 can be favorably maintained.
  • a portion in contact with the contact formation members 703 and 704 is a contact portion.
  • portions 710 to 790 of the contact forming members 703 and 704 in contact with the cartridge terminals 431 to 439 are shown. That is, portions 710 to 790 in contact with cartridge side terminals 431 to 439 serve as apparatus side terminals for electrically connecting control unit 510 (FIG. 1) of liquid ejecting apparatus 50 and cartridge side terminals 431 to 439. Function.
  • the portions 710 to 790 in contact with the cartridge side terminals 431 to 439 shown in FIG. 7 are also referred to as device side terminals 710 to 790. Further, the device side terminals 710 to 790 are collectively referred to as a device side terminal group 799.
  • the end 793 (FIG. 6) of the contact forming members 703 and 704 located outside the cartridge mounting portion 602 corresponds to the corresponding one of the terminals 71 to 79 provided on the relay substrate 790A of the liquid ejecting apparatus 50. Elastic contact with the terminal.
  • the cartridge holder 60 further includes an apparatus side engaging part 632 (FIG. 4), a restricting part 635 (FIGS. 4 and 5) as a restricting part, a cartridge identification convex part 616 (FIG. 3), and an apparatus side protrusion. 638 (FIG. 3, FIG. 5).
  • the device-side engaging portion 632 (FIG. 4) is provided on the first device-side sidewall portion 603, and is provided on the + Z direction side of the contact mechanism 70. Two device side engagement parts 632 are provided. When the two apparatus side engaging parts 632 are used separately, reference numerals “632A” and “632D” are used.
  • the device-side engaging portion 632 is a protruding piece that protrudes from the first device-side sidewall portion 603 to the cartridge mounting portion 602 side (the + Y direction side).
  • the device-side engaging portion 632A provided in the second mounting portion 602T locks an engaging member, which will be described later, of the second cartridge 20 in the mounting state of the second cartridge 20.
  • the device side engagement portion 632D provided in the first mounting portion 602W locks an engagement member described later of the first cartridge 10 in the mounting state of the first cartridge 10.
  • the restricting portion 635 (FIGS. 4 and 5) is a wall portion which protrudes from the first device side wall portion 603 to the cartridge mounting portion 602 side (the + Y direction side).
  • the restricting portion 635 is located below the device-side engaging portion 632 and in a range in which at least the contact mechanism 70 is located in the Z direction.
  • Three regulating portions 635 are provided. When the three restriction portions 635 are used separately, reference numerals “635A”, “635B”, and “635C” are used.
  • the first restricting portion 635A is located closer to the ⁇ X-axis direction than the contact mechanism 70A.
  • the second restricting portion 635B is located on the + X direction side of the contact mechanism 70A, and is located on the ⁇ X direction side of the contact mechanism 70B.
  • the third restricting portion 635C is located on the + X direction side of the contact mechanism 70B.
  • the first restricting portion 635A and the second restricting portion 635B are arranged to sandwich the contact mechanism 70A in the X direction. That is, the contact mechanism 70A is disposed in the space where the side surface in the X direction is formed by the first restricting portion 635A and the second restricting portion 635B.
  • the second restricting portion 635B and the third restricting portion 635C are disposed so as to sandwich the contact mechanism 70B in the X direction. That is, the contact mechanism 70B is disposed in the space where the side surface in the X direction is formed by the second restricting portion 635B and the third restricting portion 635C.
  • the first restricting portion 635A (FIG. 5) has a first restricting wall surface 635fa that faces the device-side terminal group 799 of the contact mechanism 70A in the X direction.
  • the first restricting wall surface 635fa forms the + X direction side surface of the first restricting portion 635A.
  • the first restriction wall surface 635fa is a surface facing in the + X direction. That is, the first restriction wall surface 635fa is a plane substantially parallel to the Y direction and the Z direction.
  • the second restricting portion 635B (FIG. 4) has a second restricting wall surface 635fb that faces the device-side terminal group 799 of the contact mechanism 70A in the X direction.
  • the second restricting wall surface 635fb is a surface facing the first restricting wall surface 635fa across the device-side terminal group 799 of the contact mechanism 70A in the X direction, and is a surface facing in the -X direction. That is, the second restriction wall surface 635fb is a surface substantially parallel to the Y direction and the Z direction.
  • the second restricting wall surface 635fb forms the -X direction side surface of the second restricting portion 635B.
  • the second restricting portion 635B further has a third restricting wall surface 635fc (FIG.
  • the third restricting wall surface 635 fc forms the + X direction side surface of the second restricting portion 635 B.
  • the third restriction wall surface 635 fc is a surface facing in the + X direction. That is, the third restriction wall surface 635 fc is a plane substantially parallel to the Y direction and the Z direction.
  • the third restricting portion 635C (FIG. 4) has a fourth restricting wall surface 635fd that faces the device-side terminal group 799 of the contact mechanism 70B in the X direction.
  • the third restricting portion 635C may be configured as a part of the third device side wall portion 605.
  • the fourth restricting wall surface 635fd faces the third restricting wall surface 635fc across the device-side terminal group 799 of the contact mechanism 70B in the X direction, and faces in the -X direction. That is, the fourth restriction wall surface 635fd is a surface substantially parallel to the Y direction and the Z direction.
  • the cartridge identification convex portion 616 (FIG. 3) is a member for preventing the cartridges other than the second cartridge 20 from being mounted on the second mounting portion 602T, and is a convex extending in the + Z direction from the apparatus-side bottom wall portion 601. It is a shape.
  • the second cartridge 20 has a concavo-convex portion fitted to the cartridge identification convex portion 616. Cartridges other than the second cartridge 20, for example, the first cartridge 10 and cartridges used for liquid ejection apparatuses of different models do not have an uneven portion fitted to the cartridge identification convex portion 616.
  • the cartridge identification convex portion 616 can reduce the possibility of mounting a cartridge different from the second cartridge 20 to be mounted to the second mounting portion 602T.
  • the cartridge identification convex portion 616 is located on the + X direction side (third device side sidewall portion 605 side) and + Y direction side (second device side sidewall portion 604 side) of the second mounting portion 602T.
  • the device-side protrusion 638 (FIGS. 3 and 5) is a rod-like member extending in the + Z direction from the device-side first wall portion 601.
  • the device-side protrusion 638 is inserted into a recess, which will be described later, of the second cartridge 20.
  • the device-side protrusion 638 is located on the + Y direction side (the second device-side sidewall portion 604 side) of the second mounting portion 602T.
  • the cartridge holder 60 further has a guiding protrusion 617 (FIGS. 3 to 5).
  • the guiding projection 617 is a member provided at a corner where the second apparatus side wall section 604 and the fourth apparatus side wall section 606 intersect and which protrudes toward the second mounting section 602 T of the cartridge mounting section 602.
  • the guiding protrusion 617 extends in the + Z direction from the device-side first wall 601.
  • the guiding projection 617 guides the mounting of the second cartridge 20 to the second mounting portion 602T.
  • the guiding projection 617 is a portion that abuts on the second cartridge 20 when the second cartridge 20 is mounted.
  • the cartridge holder 60 (FIGS. 3-5) further has a dividing wall 604R.
  • the partition wall 604R is a plate-like member which protrudes from the second apparatus side wall portion 604 to the inward side ( ⁇ Y direction side) of the cartridge mounting portion 602.
  • the partition wall 604R extends from the device-side bottom wall portion 601 to the upper end portion of the second device-side sidewall portion 604.
  • the partition wall 604R is located at the boundary between the first mounting portion 602W and the second mounting portion 602T.
  • FIG. 8 is a schematic view for explaining the head 540.
  • FIG. 9 is a sectional view taken along line 9-9 of FIG.
  • the head 540 (FIG. 8) has a first type ejection port 544D and a plurality (three in the present embodiment) of second type ejection ports 544A, 544B, 544C.
  • the first type ejection port 544D (FIG. 9) communicates with the first liquid storage chamber 100 (FIG. 9) of the first cartridge 10 that stores one type of liquid (in the present embodiment, black ink).
  • the first type ejection port 544D ejects one type of liquid contained in the first cartridge 10.
  • the second type ejection port 544A communicates with the second liquid storage chamber 200A (FIG.
  • the second type ejection port 544B communicates with the second liquid storage chamber 200B (FIG. 9) of the second cartridge 20.
  • the second type injection port 544C communicates with the second liquid storage chamber 200C (FIG. 9) of the second cartridge.
  • the second liquid storage chamber 200A stores yellow ink
  • the second liquid storage chamber 200B stores magenta ink
  • the second liquid storage chamber 200C stores cyan ink.
  • the second type ejection port sections 544A to 544C are provided for each of the plurality of types of liquid contained in the second cartridge 20, and eject the corresponding liquid of the plurality of types of liquid.
  • each of the first type injection port portion 544D and the second type injection port portions 544A, 544B and 544C has a plurality of injection ports 546 formed on the lower surface 542 of the head 540.
  • the liquid supplied to the head 540 through the liquid supply needles 640 (640A to 640D) and the flow paths FLA to FLD (FIG. 9) is directed to the outside (for example, the print medium 515) It is injected.
  • reference numerals “546A”, “546B”, “546C”, and “546D” are used.
  • One type of liquid (black ink in this embodiment) supplied from the first cartridge 10 to the head 540 is ejected from each ejection port 546D (FIG. 8) of the first type ejection port portion 544D.
  • the respective ones of the three types of liquids contained in the second cartridge 20 are ejected from the respective ejection ports 546A to 546C of the second type ejection port sections 544A to 544C.
  • yellow ink is ejected from each ejection port 546A of the second type ejection port portion 544A
  • magenta ink is ejected from each ejection port 546B of the second type ejection port portion 544B
  • the second type ejection port Cyan ink is ejected from each ejection port 546C of the portion 544C.
  • the number of the respective outlets 546A to 546C of the three outlet portions 544A to 544C is the same.
  • the number of ejection ports 546D of the first type ejection port portion 544D is larger than the number of ejection ports 546A to 546C of each of the second type ejection port portions 544A to 544C.
  • the number of injection ports 546D is three times the number of injection ports 546A, injection port 546B, and injection ports 546C.
  • the first type injection port 544D has a larger maximum amount of injection per unit time than the second type injection ports 544A to 544C.
  • the maximum injection amount of the first type injection port portion 544D is 6 g / min
  • the maximum injection amount of each of the second type injection port portions 544A to 544C is 2 g / min.
  • the maximum injection amount of the first-class injection port 544D and the second-class injection port 544A to 544C is adjusted by the number of the injection ports 546D and the number of the injection ports 546A to 546C, but is limited thereto is not.
  • the maximum ejection amount may be changed by changing the type or performance of a liquid ejection mechanism (for example, a piezoelectric vibration element) that controls the ejection of liquid, or the maximum ejection may be performed by changing the opening diameter of the ejection ports 546A to 546D. You may change the amount.
  • FIG. 10 is a sectional view taken along line 10-10 of FIG. Note that a part of FIG. 10 is schematically shown.
  • the second cartridge 20 and the cartridge holder 60 (the details are more than the distance D2 between the first cartridge 10 and the second cartridge 20 in the X direction).
  • the distance D1 to the fourth device side wall portion 606) is larger.
  • the liquid supply needle 640D is inserted into the liquid supply port 180 of the first cartridge 10.
  • black ink is supplied from the first liquid storage chamber 100 to the head 540 through the liquid supply needle 640D.
  • the first liquid storage chamber 100 does not have a liquid absorber for holding (absorbing) the liquid. That is, the first cartridge 10 is a direct solution type cartridge.
  • a valve mechanism 150 for opening and closing a flow path connecting the first liquid storage chamber 100 and the liquid supply port 180 is disposed in the first liquid storage chamber 100.
  • the valve mechanism 150 has, for example, the same configuration as the valve of Japanese Patent Application Laid-Open No. 2013-248786.
  • the valve mechanism 150 has a valve body 152 that closes the communication hole 142.
  • the communication hole 142 and the valve body 152 are provided in the middle of the flow path connecting the first liquid storage chamber 100 and the liquid supply port 180. Since the ink flows from the first liquid storage chamber 100 toward the liquid supply port 180, the liquid supply port 180 side is set to the downstream side.
  • the flow path connecting the first liquid storage chamber 100 and the liquid supply port 180 is normally closed by closing the communication hole 142 by the valve body 152 receiving the biasing force of the biasing member 155. .
  • the valve body 152 receives the biasing force of the biasing member 155. It is displaced in a direction away from the communication hole 142 against the resistance.
  • the valve body 152 separates from the communication hole 142, the liquid is supplied from the upstream side portion to the downstream side portion of the valve body 152 through the communication hole 142.
  • a predetermined amount of liquid is supplied to a portion downstream of the valve body 152 and reaches a predetermined pressure (negative pressure)
  • the valve body 152 is displaced so as to close the communication hole 142 by the biasing force of the biasing member 155 Do.
  • the first liquid storage chamber 100 is in communication with the atmosphere, and the atmosphere is introduced into the first liquid storage chamber 100 as the liquid is consumed.
  • the second cartridge 20 has a plurality of (three in the present embodiment liquid) second liquid storage chambers 200 that respectively store three types of liquid.
  • reference numerals "200A", "200B", and "200C” are used.
  • the three second liquid storage chambers 200A to 200C are partitioned by the partition walls 22 and 23 so that the liquids do not mix with each other.
  • the three second liquid storage chambers 200A to 200C respectively store a liquid absorber (liquid holding member) 299.
  • the liquid absorber 299 is a member for holding (absorbing) the liquid by a predetermined capillary force, and is a fiber member obtained by bundling, for example, a foamed member such as urethane foam into which polypropylene is processed into a fiber shape. May be
  • the respective liquid absorbers 299 are disposed substantially throughout the respective second liquid storage chambers 200A to 200C.
  • the valve mechanism 150 is not provided in each of the second liquid storage chambers 200A to 200C.
  • the valve mechanism 150 is unnecessary.
  • the upstream side portion of each of the second liquid storage chambers 200A to 200C is in communication with the atmosphere, and the atmosphere is introduced into the second liquid storage chambers 200A to 200C as the liquid is consumed.
  • a valve mechanism 284 is disposed in each of the liquid supply ports 180, 280A to 280C.
  • the valve mechanism 284 (FIG. 10) opens and closes the internal flow path of the liquid supply ports 180 and 280.
  • the valve mechanism 284 includes a seal portion (valve seat) 287, a valve body 286, and a biasing member 285 in order from the tip side of the liquid supply ports 180 and 280.
  • the seal portion 287 is a substantially annular member.
  • the seal portion 287 is made of, for example, an elastic body such as rubber or an elastomer. The seal portion 287 is press-fit into the liquid supply ports 180 and 280.
  • the sealing portion 287 airtightly contacts the outer peripheral surface of the liquid supply needle 640 in the mounted state, thereby suppressing the leakage of the liquid from the gap between the liquid supply ports 180 and 280 and the liquid supply needle 640 to the outside.
  • the valve body 286 is a substantially cylindrical member.
  • the valve body 286 is biased toward the seal portion 287 by the biasing member 285 in a state (unmounted state) before the cartridges 10 and 20 are mounted to the cartridge holder 60, and the valve body 286 is formed in the seal portion 287. I'm closing the hole. That is, in the unmounted state, the valve mechanism 284 is in the closed state.
  • the biasing member 285 is a compression coil spring. In the mounted state of the cartridges 10 and 20, the liquid supply needle 640 pushes the valve body 286 in the direction away from the seal portion 287, thereby separating the valve body 286 from the seal portion 287. Thereby, the valve mechanism 284 is opened.
  • the engaging member 230 of the second cartridge 20 is locked to the lower surface 633 of the apparatus-side engaging portion 632A.
  • the surface 633 faces in the ⁇ Z direction.
  • the engagement member 230 is a member operated by the user for attaching and detaching the second cartridge 20 to and from the second mounting portion 602T, and is an elastic lever.
  • the engagement member 230 has a cartridge side engagement portion 235 which is locked to the surface 633.
  • the second cartridge 20 in the mounted state receives an urging force (external force) FP1 in the + Y direction from the device-side terminal group 799 of the contact mechanism 70A to the cartridge-side terminal group 499 of the circuit board 400.
  • the second cartridge 20 in the mounted state receives an external force (reaction force) FP2 generated by the valve body 286 being pushed up to the + Z direction side by the liquid supply needle 640 and the biasing member 285 compressing. Further, the second cartridge 20 in the mounted state is elastically deformed by the seal portion 287 being pushed by the liquid supply needles 640A to 640C.
  • the reaction force of the elastic deformation receives an external force FP3 along an XY plane parallel to the X direction and the Y direction.
  • the external force FP3 includes an external force in the X direction and an external force in the Y direction.
  • the cartridge side engaging portion 235 of the second cartridge 20 is locked to the surface 633 of the apparatus side engaging portion 632A.
  • the second cartridge 20 is restricted from moving in the + Z direction by the external force FP2 as the cartridge side engaging portion 235 and the device side engaging portion 632A engage with each other.
  • the configuration for restricting the movement of the second cartridge 20 by the external force FP1 or the external force FP3 will be described later.
  • FIG. 11 is a first perspective view of the first cartridge 10.
  • FIG. 12 is a second perspective view of the first cartridge 10.
  • the mounting direction of the first cartridge 10 to the cartridge holder 60 is the ⁇ Z direction, and the removal direction is the + Z direction.
  • the external shape of the first cartridge 10 is a substantially rectangular shape.
  • the outer surface (outer shell) 12 of the first cartridge 10 has six sides.
  • the six surfaces are a bottom surface 14, an upper surface 13, a front (first side) 16, a back (second side) 15, a left side (third side) 17 and a right side (fourth side) 18.
  • the six surfaces 13 to 18 constitute an outer shell 12 of the first cartridge 10.
  • Each surface 13 to 18 is planar.
  • the planar shape includes the case where the entire surface is completely flat and the case where a part of the surface has unevenness. That is, part of the surface may have some unevenness.
  • the outline of each of the surfaces 13 to 18 in plan view is substantially rectangular.
  • the first cartridge 10 has a first liquid storage chamber 100 for storing one type of liquid (black ink in the present embodiment).
  • One type of liquid (black ink) contained in the first liquid storage chamber 100 is an ink containing pigment (pigment ink).
  • the pigment ink is an ink in which a pigment is dispersed in a dispersion medium such as water.
  • the bottom surface 14 is a concept including a wall that forms the bottom wall of the first cartridge 10 in the mounted state, and can also be called “bottom wall portion (bottom wall) 14".
  • the upper surface 13 is a concept including a wall that forms the upper wall of the first cartridge 10 in the mounted state, and can also be called “upper surface wall (upper wall) 13".
  • the front surface 16 is a concept including a wall that forms the front wall of the first cartridge 10 in the mounted state, and can also be called “front wall portion (front wall) 16".
  • the back surface 15 is a concept including a wall that forms the back wall of the first cartridge 10 in the mounted state, and can also be referred to as "back wall (back wall) 15".
  • the left side surface 17 is a concept including a wall that forms the left side wall of the first cartridge 10 in the mounted state, and can also be called “left side wall portion (left side wall) 17".
  • the right side surface 18 is a concept including a wall that forms the right side wall of the first cartridge 10 in the mounted state, and can also be called “right side wall (right side wall) 18".
  • a "wall part” and a “wall” do not need to be formed by a single wall, and may be formed by multiple walls.
  • the top surface 13 and the bottom surface 14 face each other in the Z direction.
  • the top surface 13 is located on the + Z direction side
  • the bottom surface 14 is located on the ⁇ Z direction side.
  • the bottom surface 14 faces the device-side bottom wall portion 601 (FIG. 4) of the cartridge holder 60.
  • the top surface 13 and the bottom surface 14 are horizontal surfaces in the mounted state.
  • the top surface 13 and the bottom surface 14 intersect the back surface 15, the front surface 16, the left side surface 17, and the right side surface 18 substantially at right angles.
  • the top surface 13 and the bottom surface 14 are surfaces parallel to the X direction and the Y direction.
  • the top surface 13 and the bottom surface 14 are surfaces orthogonal to the Z direction.
  • the back surface 15 and the front surface 16 face each other in the Y direction.
  • the back surface 15 is located on the -Y direction side, and the front surface 16 is located on the + Y direction side.
  • the back surface 15 faces the first device side wall portion 603 (FIG. 4) of the cartridge holder 60.
  • the front surface 16 faces the second device side wall portion 604 (FIG. 4) of the cartridge holder 60.
  • the back surface 15 and the front surface 16 are vertical surfaces in the mounted state.
  • the back surface 15 and the front surface 16 intersect the top surface 13, the bottom surface 14, the right side surface 18 and the left side surface 17 substantially at right angles.
  • the back surface 15 and the front surface 16 are surfaces parallel to the X direction and the Z direction.
  • the back surface 15 and the front surface 16 are surfaces orthogonal to the Y direction.
  • a plane parallel to the X direction and the Z direction (plane orthogonal to the Y direction) is an XZ plane
  • the back surface 15 and the front surface 16 are planes parallel to the XZ plane.
  • the left side surface 17 and the right side surface 18 face each other in the X direction.
  • the left side surface 17 is located on the + X direction side
  • the right side surface 18 is located on the ⁇ X direction side.
  • the left side surface 17 faces the third apparatus side wall 605 (FIG. 4) of the cartridge holder 60.
  • the right side 18 faces the second cartridge 20.
  • the left side surface 17 and the right side surface 18 are vertical surfaces in the mounted state.
  • the left side surface 17 and the right side surface 18 intersect the top surface 13, the bottom surface 14, the back surface 15, and the front surface 16 substantially at right angles.
  • the left side surface 17 and the right side surface 18 are surfaces parallel to the Y direction and the Z direction.
  • the left side surface 17 and the right side surface 18 are surfaces orthogonal to the X direction.
  • a plane parallel to the Y direction and the Z direction (plane orthogonal to the X direction) is a YZ plane
  • the left side surface 17 and the right side surface 18 are planes parallel to the YZ plane.
  • the length is largest and the width is smallest.
  • the magnitude relationship between the length, width, and height of the first cartridge 10 can be arbitrarily changed.
  • the height may be the largest and the width may be the smallest, or the height, the length, and the width. May be equal to each other.
  • one liquid supply port 180 protrudes from the bottom surface 14.
  • the liquid supply port 180 has a substantially cylindrical shape.
  • the liquid supply port 180 has a central axis CT along the Z direction.
  • FIG. 9 in the mounted state in which the first cartridge 10 is mounted on the carriage 520, the liquid supply port 180 is provided with the liquid provided in the first mounting portion 602W (FIG. 2, FIG. 3) of the cartridge holder 60.
  • Supply needle 640D (FIG. 2) is inserted.
  • the end face of the liquid supply port 180 is formed with an opening 188 for circulating the ink of the first liquid storage chamber 100 toward the outside.
  • the opening 188 is closed by the film 183.
  • the film 183 is configured to be broken by the liquid supply needle 640D when the first cartridge 10 is attached to the first attachment portion 602W.
  • the circuit board 30 is provided at a position closer to the bottom surface 14 than the top surface 13 of the back surface 15.
  • the configuration of the circuit board 30 is the same as that of the circuit board 400 of the second cartridge 20 described later.
  • a plurality (nine) of cartridge side terminals 31 forming a plurality (nine) of contact portions are formed on the surface of the circuit board 30, a plurality (nine) of cartridge side terminals 31 forming a plurality (nine) of contact portions are formed.
  • Each of the plurality of cartridge side terminals 31 contacts the device side terminal group 799 (FIG. 4) of the contact mechanism 70B in the mounted state.
  • the circuit board 30 is electrically connected to the control unit 510 (FIG. 1) of the liquid ejecting apparatus 50.
  • a rewritable storage device (memory) is provided on the back surface of the circuit board 30, a rewritable storage device (memory) is provided on the first cartridge 10 such as the ink consumption amount and the ink color of the first cartridge 10.
  • an engaging member 120 as a lever is provided on the upper surface 13 side of the back surface 15 with respect to the circuit board 30.
  • the end on the ⁇ Z direction side is connected to the back surface 15, and the engaging member 120 elastically deforms in a direction having a Y direction component centering on the end on the ⁇ Z direction side. This elastic deformation is used to attach and detach the first cartridge 10 to and from the cartridge holder 60 (FIG. 1).
  • the engagement member 120 has a cartridge side engagement portion 122 which is locked to the lower surface (surface facing the ⁇ Z direction) 633 (FIG. 10) of the device side engagement portion 632D (FIG. 4).
  • the cartridge side engagement portion 122 is a projection that protrudes from the main body of the engagement member 120 in the ⁇ Y direction.
  • an air inlet 19 is formed in the right side surface 18.
  • the air inlet 19 is an opening for introducing the air (air) into the first liquid storage chamber 100.
  • FIG. 13 is a first perspective view of the second cartridge 20.
  • FIG. 14 is a second perspective view of the second cartridge 20.
  • FIG. 15 is a top view of the second cartridge 20.
  • FIG. 16 is a bottom view of the second cartridge 20.
  • FIG. 17 is a rear view of the second cartridge 20.
  • FIG. 18 is a front view of the second cartridge 20.
  • FIG. FIG. 19 is a left side view of the second cartridge 20.
  • FIG. 20 is a right side view of the second cartridge 20.
  • FIG. FIG. 21 is a front view of the circuit board 400.
  • FIG. FIG. 22 is a side view of the circuit board 400.
  • the second cartridge 20 is mounted on the carriage 520 side by side with the other cartridge (first cartridge) 10 having one liquid supply port in the X direction.
  • the mounting direction of the second cartridge 20 to the cartridge holder 60 is the -Z direction
  • the removal direction is the + Z direction.
  • the length is the largest and the width is the smallest.
  • the magnitude relationship between the length, width, and height of the second cartridge 20 can be arbitrarily changed.
  • the height may be the largest and the width may be the smallest, or the height, the length, and the width. May be equal to each other.
  • the second cartridge 20 has a larger dimension in the X direction than the first cartridge 10.
  • the external shape of the second cartridge 20 is a substantially rectangular parallelepiped shape.
  • the outer shell 21 of the second cartridge 20 has six sides.
  • the six surfaces are a bottom surface 201, an upper surface 202, a first side (front) 204, a second side (back) 203, a third side (left) 205, and a fourth side (right) 206.
  • the six surfaces 201 to 206 constitute the outer shell 21 of the second cartridge 20.
  • Each surface 201 to 206 is planar.
  • the planar shape includes the case where the entire surface is completely flat and the case where a part of the surface has unevenness. That is, part of the surface may have some unevenness.
  • the outline of each of the surfaces 201 to 206 in plan view is substantially rectangular.
  • the second cartridge 20 (FIG. 15) contains a plurality of (three in the present embodiment) that accommodates one type of each of the plurality of types of liquid (in the present embodiment, yellow ink, magenta ink, and cyan ink) therein.
  • the second liquid storage chambers 200A, 200B, and 200C are provided.
  • the plurality of types of liquids (yellow ink, magenta ink, and cyan ink) contained in the second cartridge 20 are dye inks.
  • the bottom surface 201 is a concept including a wall that forms the bottom wall of the second cartridge 20 in the mounted state, and can also be called “bottom wall portion (bottom wall) 201".
  • the upper surface 202 is a concept including a wall that forms the upper wall of the second cartridge 20 in the mounted state, and can also be referred to as “upper surface wall (upper wall) 203”.
  • the first side surface 204 is a concept including a wall that forms the front wall of the second cartridge 20 in the mounted state, and can also be referred to as “front wall portion (front wall) 204”.
  • the second side surface 203 is a concept including a wall that forms the back wall of the second cartridge 20 in the mounted state, and can also be called "back wall (back wall) 203".
  • the third side surface 205 is a concept including a wall that forms the left side wall in the mounted state, and can also be called “left side wall portion (left side wall) 205".
  • the fourth side surface 206 is a concept including a wall that forms the right side wall in the mounted state, and can also be referred to as "right side wall portion (left side wall) 206".
  • a "wall part" and a “wall” do not need to be formed by a single wall, and may be formed by multiple walls.
  • the bottom surface 201 and the top surface 202 face each other in the Z direction.
  • the bottom surface 201 is located on the ⁇ Z direction side, and the top surface 202 is located on the + Z direction side.
  • the bottom surface 201 faces the apparatus-side bottom wall portion 601 (FIG. 4) of the cartridge holder 60.
  • the bottom surface 201 and the top surface 202 are horizontal surfaces in the mounted state.
  • the bottom surface 201 and the top surface 202 intersect the first side surface 204, the second side surface 203, the third side surface 205, and the fourth side surface 206 substantially at right angles.
  • the bottom surface 201 and the top surface 202 are surfaces parallel to the X direction and the Y direction.
  • the bottom surface 201 and the top surface 202 are surfaces orthogonal to the Z direction.
  • a plane parallel to the X direction and the Y direction (plane orthogonal to the Z direction) is an XY plane
  • the bottom surface 201 and the upper surface 202 are surfaces parallel to the XY plane.
  • the first side surface 204 and the second side surface 203 face each other in the Y direction.
  • the first side surface 204 is located on the + Y direction side
  • the second side surface 203 is located on the ⁇ Y direction side.
  • the first side surface 204 faces the second device side wall portion 604 (FIG. 4) of the cartridge holder 60.
  • the second side surface 203 faces the first device side wall portion 603 (FIG. 4) of the cartridge holder 60.
  • the first side surface 204 and the second side surface 203 are vertical surfaces in the mounted state.
  • the first side surface 204 and the second side surface 203 intersect the bottom surface 201 (FIG. 19), the upper surface 204 (FIG.
  • the third side surface 205, and the fourth side surface 206 substantially at right angles.
  • the first side surface 204 and the second side surface 203 are planes parallel to the X direction and the Z direction.
  • the first side surface 204 and the second side surface 203 are surfaces orthogonal to the Y direction.
  • a plane parallel to the X direction and the Z direction plane orthogonal to the Y direction
  • the first side surface 204 and the second side surface 203 are planes parallel to the XZ plane.
  • the third side surface 205 and the fourth side surface 206 face each other in the X direction.
  • the third side surface 205 is located on the + X direction side
  • the fourth side surface 206 is located on the ⁇ X direction side.
  • the third side surface 205 faces the first cartridge 10.
  • the fourth side wall 206 faces the fourth apparatus side wall portion 606 (FIG. 4) of the cartridge holder 60.
  • the third side surface 205 and the fourth side surface 206 intersect the bottom surface 201, the upper surface 202, the first side surface 204, and the second side surface 203 substantially at right angles.
  • the third side surface 205 and the fourth side surface 206 are planes parallel to the Y direction and the Z direction.
  • the third side surface 205 and the fourth side surface 206 are planes orthogonal to the X direction.
  • a plane parallel to the Y direction and the Z direction (plane orthogonal to the X direction) is a YZ plane
  • the third side surface 205 and the fourth side surface 206 are planes parallel to the YZ plane.
  • the second cartridge 20 has a circuit board 400 and an engagement member 230 on the second side surface 203.
  • the second side surface 203 has a first surface portion 242, a second surface portion 241, and a projecting surface portion 245.
  • the protruding surface portion 245 is a portion that protrudes to the cartridge holder 60 side (outward side, in the present embodiment, the ⁇ Y direction side) with respect to the first surface portion 242 and the second surface portion 241.
  • the thickness (dimension in the Y direction) of the wall of the projecting surface portion 245 is larger than the thickness (dimension in the Y direction) of the walls of the first surface portion 242 and the second surface portion 241 and is more rigid than the first surface portion 242 and the second surface portion 241 Is high.
  • the protruding surface portion 245 is a first protruding surface portion 246 provided between the first surface portion 242 and the second surface portion 241 in the X direction, and a second protruding surface portion connected to the + Z direction side end portion of the first protruding surface portion 246 And 247.
  • the first surface portion 242 is located on the ⁇ X direction side which is the one side of the first projecting surface portion 246 in the X direction.
  • the second surface portion 241 is located on the + X direction side which is the other direction side in the X direction with respect to the first projecting surface portion 246.
  • the first projecting surface portion 246 extends in the + Z direction from the intersection of the bottom surface 201 and the second side surface 203 to the vicinity of the approximate center of the second cartridge 20 in the Z direction.
  • the first projecting surface portion 246 is a substantially rectangular member.
  • the first projecting surface portion 246 is disposed between the first restricting portion 635A and the second restricting portion 635B (FIG. 4).
  • the circuit board 400 is provided on the first projecting surface portion 246.
  • On the surface 400fa of the circuit board 400 a plurality of contact parts cp that are in contact with the device-side terminal group 799 (FIG. 7) of the second mounting part 602T are arranged.
  • the surface 400fa functions as an arrangement unit for arranging a plurality of contact units cp. Details of the circuit board 400 will be described later.
  • the first protruding surface portion 246 has a first side portion 246B located on the first surface portion 242 side ( ⁇ X direction side) and a second side portion 246A located on the second surface portion 241 side (+ X direction side).
  • the first side portion 246B is a portion that forms a side surface of the first projecting surface portion 246 on the first surface portion 242 side and faces in the ⁇ X direction.
  • the second side portion 246A is a portion that forms a side surface of the first projecting surface portion 246 on the second surface portion 241 side and faces in the + X direction.
  • the first side portion 246B is provided with a first protrusion 249 projecting in the -X direction.
  • the second side portion 246A is provided with a second protrusion 248 projecting in the + X direction.
  • the first protrusion 249 and the second protrusion 248 are located closer to the upper surface 202 (+ Z direction side) than the contact portion cp of the circuit board 400 in the Z direction.
  • the first protrusion 249 abuts on the first restricting portion 635A (FIG. 5).
  • the second protrusion 248 abuts on the second restricting portion 635B (FIG. 4).
  • the first surface portion 242 is provided with a recess 222 at a distance from the projecting surface portion 245.
  • three recesses 222 are provided.
  • the second surface portion 241 is provided with a recess 221 at an interval from the protruding surface portion 245.
  • three recesses 221 are provided.
  • the recesses 222 and 221 can increase the rigidity of the first surface portion 242 and the second surface portion 241.
  • convex portions may be provided, or both the concave portions 222 and 221 and the convex portions may be provided. Also in this case, the rigidity of the first surface portion 242 and the second surface portion 241 can be increased.
  • the second protruding surface portion 247 is a substantially rectangular parallelepiped portion extending along the X direction.
  • the base end (first end) 231 of the engagement member 230 is connected to the second projecting surface 247.
  • the circuit board 400 is provided on the first projecting surface portion 246.
  • the circuit board 400 has a boss groove 401 formed at the end on the + Z direction side and a boss hole 402 formed at the end on the ⁇ Z direction side.
  • the circuit board 400 is fixed to the first projecting surface 246 of the cartridge 20 using the boss groove 401 and the boss hole 402.
  • the boss groove 401 and the boss hole 402 pass through the center of the second cartridge 20 in the X direction, and intersect a plane PCP parallel to the Y direction and the Z direction (perpendicular to the X direction).
  • At least one of the boss groove 401 and the boss hole 402 may be omitted from the circuit board 400, and the circuit board 400 may be fixed to the first projecting surface portion 246 using an adhesive.
  • the circuit board 400 may be fixed using an engagement claw (not shown) provided on the surface portion 246 side.
  • the circuit board 400 has a cartridge side terminal group 499 (FIG. 22) provided on the surface 400fa as the placement portion, and a storage device 420 provided on the back surface 400fb.
  • Front surface 400fa and back surface 400fb are planes.
  • the surface 400fa is a plane parallel to the mounting direction ( ⁇ Z direction) of the second cartridge 20.
  • the surface 400fa is a plane parallel to the X direction and the Z direction.
  • a portion (one side) of the surface 400fa which is located most on the + Z direction side is also referred to as a substrate end portion 405.
  • the cartridge side terminal group 499 includes nine cartridge side terminals 431 to 439.
  • the storage device 420 stores information on the second cartridge 20.
  • the information on the second cartridge 20 includes, for example, information indicating the type of liquid to be stored, information indicating the amount of liquid to be stored, information indicating the consumption amount of liquid, and information indicating the date of manufacture of the second cartridge 20 is there.
  • the nine cartridge side terminals 431 to 439 are each formed in a substantially rectangular shape, and arranged so as to form two rows substantially perpendicular to the ⁇ Z direction which is the mounting direction.
  • the substantially vertical row is a row extending in the width direction (X direction) of the second cartridge 20.
  • the row on the back side ( ⁇ Z direction side) in the mounting direction is called a first terminal row RN1 (lower side row RN1)
  • the second row on the front side (+ Z direction side) in the mounting direction is Terminal row RN2 (upper row RN2). That is, the first terminal row RN1 and the second terminal row RN2 have different positions in the Z direction.
  • the first terminal row RN1 is located on the ⁇ Z direction side of the second terminal row RN2.
  • a contact portion cp that contacts the device-side terminal group 799 (FIGS. 5 and 7) of the contact mechanism 70A.
  • the first and second terminal rows RN1 and RN2 described above are rows formed by the plurality of contact portions cp.
  • the respective cartridge side terminals 431 to 439 can be called as follows from the function (use).
  • “cartridge side” can be added to each name before calling.
  • “ground terminal 437” can also be called “cartridge side ground terminal 437”.
  • the contact portions cp of the terminals 435 to 439 forming the first terminal row RN1 and the contact portions cp of the terminals 431 to 434 forming the second terminal row RN2 are alternately arranged.
  • the contact portions cp are arranged in a so-called staggered manner.
  • the cartridge 20 is detected by detecting whether the four mounting detection terminals 431, 434, 435, and 439 are electrically in contact with the terminals of the corresponding device-side terminal group 799 (FIG. 4) provided in the contact mechanism 70A.
  • the liquid ejection device 50 is used to detect whether or not the cartridge holder 60 is properly mounted at the designed mounting position. Therefore, the four mounting detection terminals 431, 434, 435, and 439 can also be referred to as a "mounting detection terminal group".
  • the four cartridge side terminals 431, 434, 437, 439 are electrically connected to each other in the circuit board 400, and the second cartridge 20 is mounted to the cartridge holder 60 (FIG. 4).
  • the ground terminal 437 is electrically connected to a ground line (not shown) on the liquid ejecting apparatus 50 side.
  • the other five cartridge side terminals 432, 433, 436, 437 and 438 are terminals for the storage device 420.
  • the five terminals 432, 433, 436, 437, 438 can also be referred to as "memory terminal group”.
  • the reset terminal 432 receives the supply of the reset signal RST to the storage device 420.
  • the clock terminal 433 receives the supply of the clock signal SCK to the storage device 420.
  • Power supply terminal 436 receives supply of power supply voltage VDD (for example, rated 3.3 V) to storage device 420.
  • Ground terminal 437 receives supply of ground voltage VSS (0 V) to storage device 420.
  • Data terminal 438 receives supply of data signal SDA to storage device 420.
  • the first terminal 435 which is one of the mounting detection terminal group, includes a first outer portion 435P located closest to the ⁇ X direction side of the cartridge side terminal group 499.
  • the second terminal 439 which is one of the mounting detection terminal group, includes a second outer portion 439P located on the + X direction side of the cartridge side terminal group 499.
  • the third terminal 431, which is one of the mounting detection terminal group, includes a third outer portion 431P located closest to the ⁇ X direction side in the second terminal row RN2.
  • the fourth terminal 434 which is one of the mounting detection terminal group, includes a fourth outer portion 434P located on the + X direction side of the second terminal row RN2.
  • a ground terminal 437 having a contact portion (central contact portion) cp provided at the center in the X direction among the plurality of contact portions cp is provided at a position intersecting the plane PCP.
  • the central contact portion cp is used in distinction from the other contact portions cp, the code "cpc" is used.
  • the contact portions cp of the remaining terminals 431 to 436, 438, and 439 are provided at positions that are line-symmetrical about the intersection line between the plane PCP and the ground terminal 437. That is, the plurality of (nine in the present embodiment) contact parts cp are arranged to be symmetrical with respect to the plane PCP.
  • the plane PCP is the same plane as a first center plane PC described later.
  • the plurality of contact portions cp of the circuit board 400 are arranged in the X direction at positions closer to the bottom surface 201 than the top surface 202 on the second side surface 203.
  • To line up in the X direction means that the plurality of contact parts cp are arranged at different positions in the X direction.
  • the ground terminal 437 (FIG. 21) is in contact with the contact mechanism 70A (FIG. 4) by the other cartridge side terminals 431 to 436, 438, 439 (FIG. 21) when the second cartridge 20 is mounted to the cartridge holder 60.
  • the biasing force that is initially applied from the cartridge holder 60 to the circuit board 400 is generated at the center of the second cartridge 20 in the X direction. Therefore, the biasing force applied to the circuit board 400 suppresses the function of acting as a force to tilt the second cartridge 20 in the X direction, and the second cartridge 20 can be mounted to the designed mounting position.
  • an engaging member 230 as a lever is provided on the upper surface 202 of the contact portion cp on the second side surface 203. That is, at least a part of the engagement member 230 is located in the range WA (FIG. 21) in which the plurality of contact portions cp are located in the X direction.
  • the engagement member 230 has a first end (proximal end) 231 on the ⁇ Z direction side, a second end (distal end) 232 on the + Z direction side, a first end 231 and a second end 232.
  • the cartridge side engaging portion 235 located between the two.
  • the first end 231 is connected to the second projecting surface 247 of the second side surface 203.
  • the engagement member 230 elastically deforms in the direction having the Y direction component such that the second end 232 side approaches or separates from the second side surface 203 with the first end 231 as a center. This elastic deformation is used to attach and detach the second cartridge 20 to and from the cartridge holder 60 (FIG. 4).
  • the cartridge side engagement portion 235 is a projection that protrudes from the main body of the engagement member 230 in the ⁇ Y direction.
  • the cartridge side engagement portion 235 extends along the X direction.
  • the upper surface of the cartridge side engagement portion 235 is locked to the lower surface 633 (FIG. 10) of the device side engagement portion 632A. This locking is released as the second end 232 is pushed closer to the second side surface 203 and the cartridge side engaging portion 235 is displaced to the second side surface 203.
  • the second cartridge 20 has a liquid supply portion 289, protrusions 262 and 263, and a recess 264 provided on the bottom surface 201.
  • the liquid supply portion 289 protrudes from the bottom surface 201 in the -Z direction.
  • At least the -Z direction side portion of the liquid supply portion 289 is disposed in the area 611 (FIG. 3) surrounding the three liquid supply needles 640A, 640B, 640C by the device-side regulating wall portion 615 in the mounted state of the second cartridge 20. Be done.
  • the liquid supply unit 289 is provided with three surrounding members 283A provided corresponding to the odd number (three in the present embodiment) of the liquid supply ports 280A, 280B and 280C and the liquid supply ports 280A, 280B and 280C, And 283B and 283C.
  • the code "280" is used when the three liquid supply ports 280A, 280B, 280C are used without distinction.
  • the code "283" is used.
  • the three liquid supply ports 280A, 280B, 280C are disposed on the bottom surface 201 at positions closer to the second side surface 203 than the first side surface 204.
  • the three liquid supply ports 280A, 280B, 280C are disposed closer to the second side surface 203 than the position intermediate the first side surface 204 and the second side surface 203 on the bottom surface 201.
  • the three liquid supply ports 280A, 280B, 280C are disposed in the vicinity of the second side surface 203.
  • the three liquid supply ports 280A, 280B and 280C are disposed on the bottom surface 201 at a position biased to the second side surface 203 side.
  • Each of the three liquid supply ports 280 A, 280 B and 280 C has a cylindrical shape, and the ⁇ Z direction side protrudes from the bottom surface 201, and the + Z direction side is located inside the outer shell 21.
  • the three liquid supply ports 280A, 280B, 280C respectively have central axes CM, CC, CN along the Z direction. When the central axes CM, CC, and CN are used without distinction, the "central axis CX" is used.
  • the three liquid supply ports 280A, 280B, 280C are arranged side by side in the X direction.
  • the three central axes CM, CC, CN are located on a straight line parallel to the X direction.
  • all three central axes CM, CC, CN are located on the XZ plane parallel to the X direction and the Z direction (orthogonal to the Y direction).
  • the above-described valve mechanism 284 (FIG. 10) is disposed in each of the three liquid supply ports 280A, 280B, 280C.
  • the liquid supply port (central liquid supply port) 280B is positioned at the center (second from the ⁇ X direction side or the + X direction side) of the three liquid supply ports 280A, 280B, 280C. Being positioned at the center means that N (N is an odd number of 3 or more) liquid supply ports arranged in the X direction, counted from one side (for example, the -X direction side) in the X direction ⁇ (N + 1) / 2 ⁇ means to be located.
  • the central axis CC of the central liquid supply port 280B passes through the central XCP of the second cartridge 20 in the X direction, and intersects a plane PCP parallel to the Y direction and the Z direction (perpendicular to the X direction).
  • the other two liquid inlets 280A, 280C are located next to the central liquid inlet 280B.
  • the liquid supply port 280C is located on the + X direction side of the central liquid supply port 280B.
  • the liquid supply port 280C is located closer to the center of the carriage 520 (FIG. 4) in the X direction. That is, the liquid supply port 280C is located closer to the first mounting portion 602W (FIG. 4) in the X direction than the liquid supply port 280A.
  • the liquid supply port 280C is located on the first cartridge 10 side.
  • the liquid supply port 280A is located on the ⁇ X direction side of the central liquid supply port 280B.
  • the liquid supply port 280A is located on the side farthest from the first mounting portion 602W (the first cartridge 10) in the X direction.
  • the central axis CC of the central liquid supply port 280B is also referred to as a first central axis CC.
  • the central axis CN of the liquid supply port 280C is also referred to as a second central axis CN.
  • each of the liquid supply ports 280A, 280B, 280C has an opening 288 at the end in the -Z direction.
  • the opening 288 is circular.
  • the liquid supply port 280 may not be cylindrical, and the opening 288 may not be circular.
  • the liquid supply port 280 may have a shape in which the liquid supply needle 640 can be inserted. In this case, the central axis CT of the liquid supply needle 640 in the mounted state may be regarded as the central axis of the liquid supply port 280.
  • the liquid supply ports 280A, 280B and 280C are used for the second mounting portion 602T (FIG. 2, FIG. 3) of the cartridge holder 60.
  • the liquid supply needles 640A, 640B, 640C provided are inserted. That is, in the mounted state where the second cartridge 20 is mounted on the carriage 520, the liquid supply ports 280A, 280B, 280C receive the liquid supply needles 640A, 640B, 640C.
  • the opening 288 is closed by the film FM.
  • the film FM is configured to be broken by the liquid supply needles 640A, 640B, 640C when the second cartridge 20 is attached to the second attachment portion 602T.
  • the liquid supply port 280A communicates with the second liquid storage chamber 200A for storing yellow ink, and supplies the yellow ink of the second liquid storage chamber 200A to the liquid supply needle 640A.
  • the liquid supply port 280B communicates with the second liquid storage chamber 200B that stores magenta ink, and supplies the magenta ink in the second liquid storage chamber 200B to the liquid supply needle 640B.
  • the liquid supply port 280C is in communication with the second liquid storage chamber 200C for storing cyan ink, and supplies the cyan ink of the second liquid storage chamber 200C to the liquid supply needle 640C.
  • the peripheral members 283A, 283B, and 283C are members that project from the bottom surface 201 in the -Z direction.
  • the peripheral member 283A protrudes from the outer peripheral surface of the liquid supply port 280A on both sides in the Y direction (the + Y direction side and the -Y direction side).
  • the peripheral member 283B protrudes from the outer peripheral surface of the liquid supply port 280B on both sides in the Y direction (the + Y direction side and the -Y direction side).
  • the peripheral member 283C protrudes from the outer peripheral surface of the liquid supply port 280C on both sides in the Y direction (the + Y direction side and the -Y direction side).
  • the surrounding members 283A, 283B, and 283C face the device-side regulating wall portion 615 (FIG. 3) in the X direction and the Y direction when the second cartridge 20 is mounted. This can reduce the possibility of the liquid supply ports 280A, 280B, 280C moving in the X direction and the Y direction in the mounted state.
  • the central peripheral member 283B has a control protrusion 282 on the side surface on the + Y direction side.
  • the regulation convex portion 282 is located on the + Y direction side with respect to the central liquid supply port 280B.
  • the regulation convex portion 282 protrudes in the + Y direction more than the other portions of the surface of the central surrounding member 283B.
  • the restricting convex portion 282 extends along the Z direction.
  • the restricting convex portion 282 abuts against the apparatus-side restricting wall portion 615 (FIG. 5) in a state where the second cartridge 20 is mounted to the second mounting portion 602T (FIG. 2, FIG. 3).
  • the protrusions 262 and 263 respectively project from the bottom surface 201 in the -Z direction.
  • the shape of the protrusions 262 and 263 is a substantially rectangular parallelepiped.
  • One of the protrusions 262 and 263 is also referred to as a first protrusion 262, and the other is also referred to as a second protrusion 263.
  • the protrusions 262 and 263 are provided on the bottom surface 201 at positions closer to the first side surface 204 than the second side surface 203.
  • the protrusions 262 and 263 are provided to be in contact with the lower end portion of the first side surface 204.
  • the first protrusion 262 and the second protrusion 263 are provided so as to sandwich a plane PCP perpendicular to the X direction, including the central axis CC of the liquid supply port 280B at the center.
  • the first protrusion 262 is provided on the bottom surface 201 at a position close to the third side surface 205.
  • the second protrusion 263 is provided on the bottom surface 201 at a position close to the fourth side surface 206. The functions of the protrusions 262 and 263 will be described later.
  • the recess 264 is provided at a position closer to the first side surface 204 than the second side surface 203 on the bottom surface 201.
  • the recess 264 is provided to be in contact with the lower end portion of the first side surface 204.
  • the recess 264 is located between the first protrusion 262 and the second protrusion 263.
  • the recess 264, the first protrusion 262, and the second protrusion 263 are arranged side by side along the X direction.
  • the recess 264 receives the apparatus side protrusion 638 (FIGS. 3 and 5) when the second cartridge 20 is mounted.
  • the second cartridge 20 has an uneven portion 257 provided on the first side surface 204.
  • the concavo-convex portion 257 is one of an end (corner) L1 of one (+ X direction) in the X direction and an end (corner) R1 of the other ( ⁇ X direction) in the X direction in the first side surface 204. It is provided at at least one end.
  • the uneven portion 257 is provided at the end L1 of the first side surface 204. That is, at least a part of the uneven portion 257 is provided in contact with the end portion L1 where the first side surface 204 and the third side surface 205 intersect.
  • the uneven portion 257 has a protrusion 250 and a recess 252 partitioned by the protrusion 250.
  • the uneven portion 257 extends from the bottom surface 201 side of the first side surface 204 toward the top surface 202.
  • the uneven portion 257 extends in the + Z direction from the intersection of the first side surface 204 and the bottom surface 201 to the vicinity of the approximate center of the first side surface 204 in the Z direction.
  • the ⁇ Z direction side of the recess 252 is open to receive the cartridge identification protrusion 616.
  • the shape of the uneven portion varies depending on the type of cartridge (such as model number).
  • the uneven portion 257 is a cartridge identification convex portion 616 (only when the second cartridge 20 having the uneven portion 257 having the shape shown in FIGS. 14 and 18 is attached to the second mounting portion 602T (FIGS. 2 and 3). Fig. 3). Specifically, the cartridge identification convex portion 616 corresponding to the shape of the concave portion 252 of the concave and convex portion 257 fits in the concave portion 252 of the concave and convex portion 257. Even if different types of cartridges are to be mounted on the second mounting portion 602T, the uneven portion of such a cartridge does not match the shape of the cartridge identification convex portion 616, and a part of the uneven portion and the cartridge identification convex portion 616 Clash. Therefore, different types of cartridges can not be attached to the second attachment portion 602T. As described above, the uneven portion 257 can prevent different types of cartridges from being mounted on the second mounting portion 602T.
  • the second cartridge 20 further has a recess 258 provided at the corner R1 where the first side surface 204 and the fourth side surface 206 intersect.
  • the recess 258 extends from the bottom surface 201 side of the first side surface 204 toward the top surface 202.
  • the recess 258 extends in the + Z direction from the intersection of the first side surface 204 and the bottom surface 201 to approximately the center of the first side surface 204 in the Z direction.
  • the recess 258 has a shape recessed from the first side surface 204 and the fourth side surface 206 to the inside of the shell 21.
  • the recess 258 has a surface 258 fa facing the ⁇ X direction and a surface 258 fb facing the + Y direction.
  • the recess 258 receives the guiding protrusion 617 (FIGS. 3 and 5).
  • the recess 258 is formed by the corner R1, the corner L1 where the first side 204 and the third side 205 intersect, and the corner L2 where the second side 203 and the third side 205 intersect (see FIG. 15).
  • the second side surface 203 and the fourth side surface 206 may be provided at at least one corner with the corner R2 (FIG. 15).
  • the second side 203 can be made uneven. Thereby, the rigidity of the second side surface 203 can be increased. Further, by providing the circuit board 400 on the projecting surface portion 245 (more specifically, the first projecting surface portion 246) having higher rigidity in the second side surface 203, the possibility of the projecting surface portion 245 being deformed by an external force can be reduced.
  • the engaging member 230 on the more rigid projecting surface portion 245 (specifically, the second projecting surface portion 247), the possibility that the projecting surface portion 245 is deformed by an external force can be reduced. As a result, the possibility of applying an excessive load to the engagement member 230 can be reduced, and the deformation of the engagement member 230 and the shift of the locking position between the cartridge side engagement portion 235 and the device side engagement portion 632A can be reduced. It can be reduced. Therefore, it is possible to maintain good contact between the contact portion cp of the circuit board 400 and the device-side terminal group 799.
  • the second cartridge 20 is provided with the projecting surface portion 245 on the second side surface 203, and the projecting surface portion on the first side surface 204 opposed to the second side surface 203 in the Y direction. Is not provided.
  • the user mounts the second cartridge 20 on the carriage 520, the user can use the protruding surface portion 245 as a mark. Therefore, the possibility that the second cartridge 20 is mounted on the carriage 520 in a state where the first side surface 204 and the second side surface 203 are reversed can be reduced.
  • the control unit 510 of the liquid ejecting apparatus 50 can easily detect a defect in the second cartridge 20.
  • the control unit 510 can detect a defect of the second cartridge 20 when the second cartridge 20 is mounted on the carriage 520 In addition, there is a possibility that the liquid ejecting apparatus 50 may operate even though the second cartridge 20 is broken, and the liquid ejecting apparatus 50 may be broken.
  • FIG. 23 is a view for explaining the positional relationship of each element of the second cartridge 20. As shown in FIG. FIG. 23 illustrates the second cartridge 20 when viewed in the direction (+ Y direction) from the second side surface 203 side to the first side surface 204 side in the Y direction.
  • a plane (plane parallel to the Y and Z directions) including the first central axis CC and perpendicular to the X direction is taken as a first central plane (predetermined YZ plane) PC.
  • the first center plane PC coincides with the above-mentioned plane PCP (FIG. 17).
  • a plane (plane parallel to the Y and Z directions) including the second central axis CN and perpendicular to the X direction is taken as a second central plane PN.
  • a plane including the third central axis CM and perpendicular to the X direction (a plane parallel to the Y direction and the Z direction) is taken as a third central plane PL.
  • the center of the cartridge side engagement portion 235 in the X direction is taken as an engagement center CE.
  • the range in which the first projecting surface portion 246 is positioned is a range W246, the range in which the first surface portion 242 is positioned is a range W242, and the range in which the second surface portion 241 is positioned is a range W241.
  • a central contact portion cpc provided at the center in the X direction intersects the first center plane PC.
  • the engagement center CE is at a position deviated from the first center plane PC in the + X direction.
  • the engagement center CE is located between the first center plane PC and the second center plane PN.
  • a part of the plurality of contact parts cp is located within the range WE where the cartridge side engaging part 235 is located. That is, when the second cartridge 20 is viewed from the + Z direction side, a part of the plurality of contact portions cp overlaps the cartridge side engaging portion 235 in the X direction.
  • a portion of the contact portion cp including the central contact portion cpc is located in the range WE in the X direction.
  • the first projecting surface portion 246 intersects with the first center plane PC. Further, in the X direction, the central axis CC of the central liquid supply port 280B is located in the range W246 in which the first projecting surface portion 246 is located. Further, in the X direction, the central axis CM of the liquid supply port 280A on the ⁇ X direction side with respect to the central liquid supply port 280B is located within the range W242 in which the first surface portion 242 is located. Further, in the X direction, the central axis CN of the liquid supply port 280C on the + X direction side with respect to the central liquid supply port 280B is located within the range W241 in which the second surface portion 241 is located.
  • FIG. 24 is a first diagram for explaining the external force applied to the second cartridge 20.
  • FIG. 25 is a second diagram for describing an external force applied to the second cartridge 20.
  • the external force FP1 (FIG. 25) is an external force (biasing force) applied from the device-side terminal group 799 of the contact mechanism 70A to the contact portion cp of the circuit board 400.
  • the external force FP1 is a force in the + Y direction.
  • the external force FP2 (FIG. 24) is an external force (reaction force) generated by the valve body 286 being pushed up to the + Z direction side by the liquid supply needles 640A, 640B, 640C and the biasing member 285 compressing.
  • the external force FP2 is a force in the + Z direction.
  • the external force FP3 (FIG.
  • the external force FP3 is a force along an XY plane parallel to the X direction and the Y direction.
  • the external force FP1 to the external force FP3 may cause the second cartridge 20 to move to some extent even in the state of being mounted on the second mounting portion 602T.
  • the acceleration or deceleration of the carriage 520 becomes large, and a large inertial force is generated in the second cartridge 20 due to acceleration and deceleration.
  • the moment of inertia MXZ, MXY1, MXY2 is generated in the second cartridge 20 by this inertial force.
  • the second cartridge 20 is rotated in the direction DXY2 along the XY plane parallel to the X direction and the Y direction centering around the central axis CC by the rotational moment MXY2 (FIG. 25). Further, due to the rotational moment MXY1 (FIG. 25), the first side surface 204 side of the second cartridge 20 rotates in the direction DXY1 along the XY plane parallel to the X direction and the Y direction around the central axis CC. The movement of the second cartridge 20 due to the rotational moments MXY1 and MXY2 increases with distance from the central axis CC.
  • the rotational movement and oscillation of the XZ plane and the XY plane with the three central axes CM, CC and CN as centers can be regarded as rotational movement and oscillation with the first central axis CC as a center.
  • the first central axis CC is to be located at the center of the three central axes CM, CC, CN in the X direction.
  • the action of the external forces FP1 to FP3 and the rotational moments MXZ, MXY1, and MXY2 can also occur in the first cartridge 10.
  • the second cartridge 20 is a cartridge that contains a plurality of types of ink, its weight tends to be larger than that of the first cartridge 10. Therefore, the second cartridge 20 receives a large amount of inertial force generated by the acceleration and deceleration of the carriage 520, and the rotational moments MXZ, MXY1, and MXY2 also increase. That is, the second cartridge 20 may move largely as the carriage 520 reciprocates.
  • a device different from the first cartridge 10 is required.
  • FIG. 26 is a diagram for describing a configuration for restricting the movement of the second cartridge 20.
  • FIG. 27 is a diagram for describing the regulation of the movement of the second cartridge 20 in the X direction.
  • the cartridge side engaging portion 235 (strictly speaking, the upper surface of the cartridge side engaging portion 235) is located on the lower side of the device side engaging portion 632A. It is locked to the surface 633. Thereby, for example, the movement of the second cartridge 20 under the influence of the external force FP2 and the rotational moment MXZ (FIG. 24) can be reduced. Therefore, since the fluctuation of the position of the contact portion cp of the circuit board 400 with respect to the device-side terminal group 799 can be reduced, the contact between the contact portion cp of the circuit board 400 and the device-side terminal group 799 can be favorably maintained.
  • the effect of the rotational moment MXZ shown in FIG. 24 on the variation of the position of the contact portion cp is that the contact portion cp is closer to the bottom surface 201 than the top surface 202 of the second side surface 203, that is, liquid supply ports 280A, 280B, 280. It is suppressed also by being arranged near the position.
  • the movement of the second cartridge 20 due to the rotational moment MXZ separates from the liquid supply ports 280A, 280B, 280C (strictly, the contact site between the liquid supply needle 640 and the seal portion 287 of the valve mechanism 284). It gets bigger.
  • the contact portion cp is provided at a position close to the liquid supply ports 280A, 280B, 280C.
  • a part of the plurality of contact portions cp is located within the range WE where the cartridge side engaging portion 235 is located. That is, in the X direction, the range WE and the range WA partially overlap. Further, the engagement center CE is provided between the first center plane PC and the second center plane PN. Also by these configurations, the influence of the rotational moment MXZ on the variation of the position of the contact portion cp can be suppressed. The reason for this will be described below with reference to FIG.
  • a portion where the second side surface 203, the third side surface 205, and the upper surface 202 intersect is referred to as a corner portion L3.
  • a portion where the second side surface 203, the fourth side surface 206, and the upper surface 202 intersect is referred to as a corner portion R3.
  • the rotational moment MXZ generated by acceleration and deceleration of the carriage 520 is substantially the same at the corner R3 and the corner L3.
  • a counterclockwise rotation moment MR3 of the rotation moment MXZ in FIG. 24 is applied to the corner portion R3 (first case).
  • the space in which the corner R3 can rotate to the fourth device side wall 606 side by the rotation moment MR3 is wider than the space in which the corner L3 can rotate to the third device side wall 605 by the rotation moment ML3. Therefore, the corner R3 may move more than the corner L3.
  • the engagement center CE is provided between the first center plane PC and the second center plane PN. That is, the engagement center CE is located at a position further away from the corner R3. Therefore, the movement of the corner R3 due to the rotational moment MR3 can be more effectively restricted.
  • a part of the plurality of contact parts cp is located within the range WE where the cartridge side engaging part 235 is located in the X direction, so that the XZ plane of the position of the contact part cp due to the rotational moment MXZ Fluctuations can be reduced. Therefore, the contact between the contact portion cp and the device-side terminal group 799 can be favorably maintained.
  • the second cartridge 20 receives the external force FP2 in the + Z direction, and tries to rotate in the arrow RYZ direction centering on the liquid supply ports 280A, 280B and 280C.
  • the rotation in the direction indicated by the arrow RYZ is a rotation along the YZ plane parallel to the Y direction and the Z direction.
  • the rotation in the direction indicated by the arrow RYZ is a rotation in which the lower portion of the second side surface 203 is lifted in the + Z direction, and the upper portion of the first side surface 204 tries to move downward in the ⁇ Z direction.
  • the three liquid supply ports 280A, 280B, 280C are arranged on a straight line parallel to the X direction. Thereby, even if the second cartridge 20 is rotated in the direction of the arrow RYZ shown in FIG. 26, the degree of intrusion of the liquid supply needles 640A, 640B, 640C into the three liquid supply ports 280A, 280B, 280C, and the position of intrusion. However, it can be prevented from changing for each supply port.
  • connection between the liquid supply ports 280A, 280B and 280C and the liquid supply needles 640A, 640B and 640C can be maintained well, and the liquid leaks or the air enters the liquid supply needles 640A, 640B and 640C. Can be reduced.
  • the influence of the external force FP1 and the external force FP3 on the change of the position of the contact portion cp is suppressed also by the central contact portion cpc intersecting the first central surface PC, as shown in FIG.
  • the central contact portion cpc intersects the first center plane PC, as shown in FIG. 26
  • the plurality of contact portions cp can be sandwiched by the central liquid supply port 280B and the device-side terminal group 799.
  • the movement of the contact portion cp away from the device-side terminal group 799 can be reduced. Therefore, the contact between the contact portion cp of the circuit board 400 and the device-side terminal group 799 can be favorably maintained.
  • the movement of the liquid supply ports 280A, 280B, 280C in the X direction which may occur due to the component in the X direction of the external force FP3 is the movement of the peripheral members 283A, 283B, 283C and the device side regulation wall 615. It can be regulated by facing in the X direction.
  • the surrounding members 283A, 283B, and 283C hit the device-side restricting wall portion 615. Thereby, the movement of the second cartridge 20 in the X direction is restricted.
  • the influence of the rotational moment MXY2 shown in FIG. 25 is that the liquid supply ports 280A, 280B and 280C are closer to the second side surface 203 where the contact portion cp is disposed on the bottom surface 201 than the first side surface 204. It is suppressed by being placed in As described above, the movement of the second cartridge 20 due to the rotational moment MXY2 increases with distance from the central axes CM, CC, and CN.
  • the contact portion cp is provided at a position close to the central axes CM, CC, CN of the liquid supply ports 280A, 280B, 280C.
  • the influence of the rotational moment MXY1 shown in FIG. 25 is on the device side projection 638 (FIG. 3, FIG. 5) in the concave portion 264 (FIG. 14) provided closer to the first side surface 204 than the second side surface 203 on the bottom surface 201. It is suppressed by inserting. That is, by inserting the apparatus-side protrusion 638 into the recess 264, the movement of the second cartridge 20 in the direction DXY1 can be restricted. Further, since the movement of the second cartridge 20 in the direction DXY1 can be restricted, the movement of the direction DXY2 on the side of the second side face 203 can also be restricted. Therefore, the fluctuation of the position of the contact portion cp can be suppressed, and the contact between the contact portion cp and the device-side terminal group 799 can be favorably maintained.
  • the central contact portion cpc intersects the first central plane PC, not the second central plane PN or the third central plane PL. Thereby, the influence of the rotational moment MXY1 shown in FIG. 25 can be reduced.
  • the relationship between the position of the central contact portion cpc and the influence of the rotational moment MXY1 shown in FIG. 25 will be described in more detail.
  • FIG. 28 is a schematic view showing a second cartridge 20V of the first reference example.
  • FIG. 29 is a schematic view showing a second cartridge 20W of a second reference example of the reference example.
  • the difference between the second cartridges 20 V and 20 W of the reference example and the second cartridge 20 of the present embodiment is the arrangement position of the circuit board 400 on the second side surface 203.
  • the circuit board 400 is disposed on the second side surface 203 at a position deviated to the + X direction side, and the central contact portion cpc of the circuit board 400 intersects the second center plane PN.
  • the circuit board 400 is disposed on the second side surface 203 at a position biased to the ⁇ X direction side, and the central contact portion cpc of the circuit board 400 intersects the third central plane PL.
  • the circuit board 400 is provided such that the central contact portion cpc intersects the first center plane PC instead of the second center plane PN and the third center plane PL, as in the present embodiment shown in FIG.
  • the same rotational moment MXY1 occurs even when the carriage 520 accelerates and moves in the + X direction and also moves in the ⁇ X direction.
  • the rotational moment MXY1 is smaller than the rotational moment MXY1t shown in FIG. 28 and the rotational moment MXY1w shown in FIG. Therefore, in the second cartridge 20 of the present embodiment, the variation of the position of the contact portion cp when the carriage 520 moves in the + X direction can be made smaller than that of the second cartridge 20V.
  • the variation of the position of the contact portion cp when the carriage 520 moves in the ⁇ X direction can be made smaller than that of the second cartridge 20W. Thereby, the contact between the contact portion cp of the circuit board 400 and the device-side terminal group 799 can be favorably maintained.
  • the plurality of contact parts cp are arranged to be symmetrical in the X direction with respect to the first central plane PC.
  • the rotational moment MXZ (FIG. 24) or the rotational moment MXY2
  • the most from the first central plane PC in the + Z direction or ⁇ X direction The variation of the position of the contact portion cp located far away may be the largest.
  • the plurality of contact portions cp are centered on the first center plane PC
  • the maximum fluctuation amount when arranged symmetrically in the X direction is smaller than the maximum fluctuation amount when the plurality of contact portions cp are arranged asymmetrically in the X direction with respect to the first center plane PC be able to.
  • FIG. 30 is a 30-30 cross sectional view of FIG. 31 is a schematic view of a portion surrounded by a square R30 in FIG. 32 is a partial sectional view of 32-32 in FIG. 30 and 32 also show the cross sections of the cartridge holder 60 and the first cartridge 10 in the mounted state of the second cartridge 20.
  • FIG. 30 is a 30-30 cross sectional view of FIG. 31 is a schematic view of a portion surrounded by a square R30 in FIG. 32 is a partial sectional view of 32-32 in FIG. 30 and 32 also show the cross sections of the cartridge holder 60 and the first cartridge 10 in the mounted state of the second cartridge 20.
  • the guide protrusion 617 is received in the recess 258.
  • the recess 258 extends from the bottom surface 201 toward the top surface 202.
  • the surface 258fa of the recess 258 facing in the ⁇ X direction abuts on the guiding projection 617 in the mounted state.
  • movement of the second cartridge 20 in the ⁇ X direction can be restricted in the mounted state. Therefore, the fluctuation of the position of the contact portion cp can be suppressed, and the contact between the contact portion cp and the device-side terminal group 799 can be favorably maintained.
  • the second cartridge 20 has an uneven portion 257 fitted with the cartridge identification convex portion 616.
  • the uneven portion 257 extends from the bottom surface 201 side of the first side surface 204 toward the top surface 202. Thereby, in the mounted state, movement of the second cartridge 20 along the XY plane orthogonal to the Z direction can be restricted.
  • the cartridge identification convex portion 616 is sandwiched in the X direction by the convex portion 250 of the concavo-convex portion 257, movement of the second cartridge 20 in the X direction can be restricted. Therefore, the fluctuation of the position of the contact portion cp can be suppressed, and the contact between the contact portion cp and the device-side terminal group 799 can be favorably maintained.
  • the partition wall 604R abuts on the third side surface 205.
  • movement of the second cartridge 20 in the + X direction can be restricted in the mounted state. Therefore, the fluctuation of the position of the contact portion cp can be suppressed, and the contact between the contact portion cp and the device-side terminal group 799 can be favorably maintained.
  • the first side 246B and the second side 246A (FIG. 23) of the first projecting surface 246 are between the first restricting portion 635A and the second restricting portion 635B (FIG. 4).
  • the first protruding surface portion 246 is disposed at a position sandwiched in the X direction by the first restricting portion 635A and the second restricting portion 635B.
  • movement of the second side surface 203 side of the second cartridge 20 in the X direction can be restricted in the mounted state, so that fluctuation of the position of the contact portion cp can be suppressed. Therefore, the contact between the contact portion cp and the device-side terminal group 799 can be favorably maintained.
  • the first restricting portion 635A and the second restricting portion 635B are provided in the cartridge mounting portion 602 using a space facing the first surface portion 242 and the second surface portion 241 in the Y direction. .
  • the space by using the space, the dimensions (thickness) of the first restricting portion 635A and the second restricting portion 635B in the Y direction are increased, whereby the rigidity of the first restricting portion 635A and the second restricting portion 635B is obtained.
  • the movement of the first projecting surface portion 246 can be restricted by the highly rigid first restricting portion 635A and the second restricting portion 635B in this manner, it is possible to further suppress the fluctuation of the position of the contact portion cp. It becomes.
  • the first protruding surface portion 246 is provided between the first surface portion 242 and the second surface portion 241 in the X direction, and within the range W246 in which the first protruding surface portion 246 is located in the X direction, The central axis CC of the liquid supply port 280B is located.
  • the first restricting portion 635A and the second restricting portion 635B (FIG. 4) from the X direction both sides (+ X direction side and -X direction side) of the first projecting surface portion 246 balance the first The movement of the protruding surface portion 246 can be restricted.
  • the fluctuation of the position of the contact portion cp can be suppressed, and the contact between the contact portion cp and the device-side terminal group 799 can be favorably maintained.
  • the dimension of the X direction of the 1st surface part 242 and the 2nd surface part 241 can be enlarged to some extent.
  • the dimensions in the X direction of the first restricting portion 635A and the second restricting portion 635B can be made to correspond to the first surface portion 242 and the second surface portion 241 to some extent, so that the first restricting portion 635A and the second restricting portion 635B Stiffness can be increased.
  • the first projection 249 (FIG. 17) abuts against the first restricting wall surface 635fa (FIG. 5) of the first restricting portion 635A
  • the second 17 abuts on the second restricting wall surface 635fb (FIG. 4) of the second restricting portion 635B.
  • This can further restrict movement of the first protruding surface portion 246 in the X direction.
  • the contact between the contact portion cp and the device-side terminal group 799 can be maintained more favorably.
  • the first protrusion 249 and the second protrusion 248 are located closer to the upper surface 202 than the contact portion cp of the circuit board 400 in the Z direction. That is, the contact positions of the first protrusion 249 and the second protrusion 248 with the first restricting portion 635A and the second restricting portion 635B (FIGS. 4 and 5) correspond to the liquid supply ports 280A, 280B and 280C and the liquid supply needle 640A. , 640B and 640C are provided at a position further away from the contacting portion. Thereby, the movement (rocking) of the direction DXZ (FIG. 24) of the second cartridge 20 due to the rotational moment MXZ can be reduced.
  • the first protrusion 249 and the second protrusion 248 are located closer to the bottom surface 201 than the engagement member 230 in the Z direction. That is, the contact position between the first projection 249 and the second projection 248 and the first restricting portion 635A and the second restricting portion 635B (FIGS. 4 and 5) is closer to the contact portion cp than the engaging member 230. It is provided. Thereby, the movement (rocking) of the direction DXZ (FIG. 24) of the second cartridge 20 due to the rotational moment MXZ can be reduced.
  • the second cartridge 20 stores a plurality of types (three types in the present embodiment) of liquid, rather than separately providing a cartridge for storing each type of the plurality of types of liquid separately.
  • the set 5 and the liquid injection system 90 can be miniaturized. Further, by replacing the second cartridge 20 that contains a plurality of types of liquid, it is possible to reduce the labor and frequency of replacement as compared to the case of replacing the cartridges that respectively store each type of liquid.
  • the cartridge set 5 includes a direct-liquid-type first cartridge 10 that does not contain the liquid absorber 299 and a liquid-absorbent-type second cartridge 20 that contains the liquid absorber 299. By using two types of cartridges, it is possible to take advantage of the advantages of both a simple structure and inexpensive liquid absorber type and a direct liquid type suitable for high-speed printing although the structure is somewhat complicated. .
  • the first cartridge 10 is a direct fluid type cartridge. Therefore, even when the liquid of the first cartridge 10 is supplied to the head 540 at high speed, the inflow of air bubbles is small, and the liquid can be smoothly ejected from the head 540.
  • the second cartridge 20 is a liquid absorber type cartridge. Therefore, when the liquid of the second cartridge 20 is to be supplied at high speed to the head 540, the flow of the ink in the liquid absorber 299 can not catch up with the supply speed of the ink, and the ink layer is divided by air in the liquid absorber 299. It may be done. As a result, the amount of ink (remaining ink amount) remaining in the liquid absorber 299 without being supplied to the head 540 may increase.
  • the flow of ink in the liquid absorber 299 is divided by air, which may cause air bubbles to flow into the head 540.
  • the first solution-type first cartridge 10 containing black ink is used during high-speed printing and low-speed printing
  • the second liquid-absorbent type cartridge 20 containing color ink is used only during low-speed printing .
  • the amount of residual ink in the second cartridge 20 can be reduced while enabling high-speed printing using black ink.
  • since the possibility of air bubbles being discharged from the second cartridge 20 to the head 540 can be reduced, it is also possible to suppress the reduction in print quality.
  • the cartridge holder 60 includes the first mounting portion 602W and the second mounting portion 602T. That is, since the liquid jet system 90 according to the present embodiment is configured on the premise that both types of cartridges 10 and 20 are respectively mounted to the specific mounting portions 602W and 602T, the structure of the liquid jet apparatus 50 is the same. It can suppress becoming complicated.
  • the ink (pigment ink) containing a pigment is contained in the first solution-type first cartridge 10, and the dye ink is contained in the second liquid-absorbent type cartridge 20.
  • the pigment tends to settle, but since the first cartridge 10 does not contain the liquid absorber, even when the pigment settles, it can be easily dispersed by applying vibration to the first cartridge 10. Since dye ink is used in the second liquid absorber type cartridge 20, the problem of settling does not occur as in the case of ink containing pigment. This can reduce the possibility of variations in the density of the ink ejected from the liquid ejecting apparatus 50.
  • the black ink contained in the first cartridge 10 as the pigment ink, it is possible to prevent bleeding more easily than the dye ink when printing on plain paper.
  • the color ink stored in the second cartridge 20 as the dye ink, it is possible to improve the coloring property when printing on special paper. That is, according to the present embodiment, it is possible to cope with various printings by performing black and white printing at high speed on plain paper and color printing at low speed on special paper.
  • the first type injection port 544D which ejects the liquid of the first cartridge 10 has a maximum injection that can be injected per unit time more than the second type ejection ports 544A, 544B, 544C which eject the liquid of the second cartridge 20
  • the quantity is high ( Figure 8).
  • the ink of the first cartridge 10 can be used at the time of high speed printing.
  • the second cartridge 20 is used for low-speed printing, the possibility of the flow of the ink in the liquid absorber 299 being interrupted by air can be reduced.
  • FIG. 33 is a view for explaining the second cartridge 20 a using the adapter 270.
  • the second cartridge 20 a has an external tank 2002, a tube 2001, and an adapter 270. Although one external tank 2002 and one tube 2001 are illustrated in FIG. 33, three external tanks 2002 and three tubes 2001 are actually provided to supply ink to the second liquid storage chambers 200A, 200B, and 200C.
  • the adapter 270 is compatible with the second cartridge 20 of the above-described embodiment, and can be attached to and detached from the second mounting portion 602T of the cartridge holder 60.
  • the adapter 270 differs from the second cartridge 20 in that ink is supplied from the external tank 2002 via the tube 2001.
  • the adapter 270 has three openings on the top surface 202 for connecting the tube 2001 to the second liquid storage chambers 200A, 200B, 200C.
  • Three external tanks 2002 accommodate one type of three types of liquid (yellow ink, magenta ink, cyan ink) for supplying to the second liquid storage chambers 200A, 200B and 200C.
  • Three tubes 2001 (only one is shown in FIG. 33) communicate the corresponding second liquid storage chambers 200A, 200B, 200C with the external tank 2002.
  • the adapter 270 may store three types of liquid in advance in the second liquid storage chambers 200A, 200B, and 200C, or may be stored by supplying the liquid from the external tank 2002.
  • FIG. 34 is a view for explaining the second cartridge 20b using the adapter 270b.
  • the same components as those of the second cartridge 20a (FIG. 33) are designated by the same reference numerals and their description will not be repeated.
  • the second cartridge 20b has an external tank 2002, a tube 2001b, and an adapter 270b.
  • the outer tank 2002 and the tube 2001b are illustrated one by one in FIG. 34, but actually, three are provided for supplying the ink to the liquid supply needles 640A, 640B, and 640C.
  • the adapter 270 b is compatible with the second cartridge 20 of the above embodiment, and can be attached to and detached from the second mounting portion 602 T of the cartridge holder 60.
  • the adapter 270 b includes, for example, a circuit board 400 and an engagement member 230 in order to ensure compatibility with the second cartridge 20.
  • the adapter 270 b does not have the second liquid storage chambers 200 A, 200 B, 200 C, the upper surface 202, the third side surface 205, and the fourth side surface 206.
  • the bottom surface 201 of the adapter 270b is formed with three openings so that the three liquid supply needles 640A, 640B, 640C can be inserted.
  • Three tubes 2001b are directly connected to liquid supply needles 640A, 640B and 640C.
  • the liquid (yellow ink, magenta ink, cyan ink) is supplied from the external tank 2002 directly to the liquid supply needles 640A, 640B, 640C via the tube 2001b.
  • the external tank 2002 runs out, the external tank 2002 is replaced with a new external tank 2002 or the external tank 2002 is refilled with liquid.
  • the adapter 270b may adopt another configuration as long as it can directly connect the tube 2001b to the liquid supply needles 640A, 640B, 640C.
  • the adapter 270 b may have the top surface 202, the third side surface 205, and at least one surface of the fourth side surface 206.
  • the adapter 270 b may have the upper surface 202, the upper surface 202 may be provided with an opening through which the tube 2001 b is inserted.
  • the outer shell 21 of the second cartridge 20 has a substantially rectangular parallelepiped shape (FIG. 13), but the shape is not limited to this. That is, the shape of the outer shell (top surface, bottom surface, side surface) of the second cartridge may not be a complete rectangle. It may be in the shape of a rectangle having rounded corners, a rectangle in which a part of the side is roughened, an ellipse or an oval.
  • FIG. 13 Another embodiment regarding the outer shape of the second cartridge will be described.
  • FIG. 35 is a conceptual view of the second cartridge 20c.
  • the second cartridge 20c is compatible with the second cartridge 20 and can be attached to and detached from the second mounting portion 602T.
  • the outer shell 21c of the second cartridge 20c has a rectangular shape with rounded corners when viewed from the fourth side surface 206 side.
  • the second cartridge 20 c has an engaging member 230 and a circuit board 400 on the second side surface 203 side.
  • liquid supply ports 280A, 280B, 280C are provided on the bottom surface 201 side of the second cartridge 20c. When the second cartridge 20c is viewed from the first side surface 204 side, it has a fixed width.
  • FIG. 36 is a conceptual view of the second cartridge 20d.
  • the second cartridge 20d is compatible with the second cartridge 20, and can be attached to and detached from the second mounting portion 602T.
  • the outer shell 21d of the second cartridge 20d has a substantially rectangular parallelepiped shape as the outer shell 21 of the second cartridge 20 (FIG. 13).
  • a major difference from the second cartridge 20 is that a part of the second side surface 203 has a recess 213.
  • the recess 213 is formed from the third side surface 205 to the fourth side surface 206.
  • the second cartridge 20 d may have a recess on at least one surface of each surface of the outer shell 21 d.
  • the second cartridge 20d may have a protrusion on at least one surface of each surface of the outer shell 21d.
  • FIG. 37 is a conceptual view of the second cartridge 20 e.
  • the second cartridge 20e is compatible with the second cartridge 20, and can be attached to and detached from the second mounting portion 602T.
  • the outer shell 21e of the second cartridge 20e has a substantially rectangular parallelepiped shape as the outer shell 21 of the second cartridge 20 (FIG. 13).
  • a major difference from the second cartridge 20e is that the corner where the top surface 202 and the second side surface 203 intersect is recessed in the -Z direction and the + Y direction, and that the bottom surface 201 is inclined with respect to the horizontal direction. is there.
  • at least one of the surfaces of the outer shell 21 e may be inclined, or at least a part of each surface is missing. It may be recessed.
  • Second cartridge with movable part in part The outer shell 21 of the second cartridge 20 according to the above-described embodiment is integrally formed, but has compatibility with the second cartridge 20, and part of the outer shell 21 can be attached to and detached from the second mounting portion 602T. It may be configured to be movable. Other specific embodiments will be described below.
  • FIG. 38 is a conceptual view of the second cartridge 20 f.
  • the second cartridge 20 f is compatible with the second cartridge 20 and can be attached to and detached from the second mounting portion 602T.
  • the first projecting surface portion 246 of the second cartridge 20 f can move relative to the outer shell 21 f.
  • the first protruding surface portion 246 of the second cartridge 20 f is connected to the second side surface 203 by a spring 88.
  • the first projecting surface portion 246 is moved to the side of the second side surface 203 by compressing the spring 88 to move the first projecting surface portion 246 to the first restricting portion. It can be disposed between 635A and the second projecting portion 635B (FIG. 4).
  • FIG. 39 is a conceptual view of the second cartridge 20g.
  • the second cartridge 20g has compatibility with the second cartridge 20, and can be attached to and detached from the second mounting portion 602T.
  • the first projecting surface 246 of the second cartridge 20g can move relative to the outer shell 21g.
  • One end of the first projecting surface portion 246 of the second cartridge 20 g is supported by the hinge 89 provided on the second side surface 203, and the other end can be rotationally moved about the hinge 89 as a fulcrum.
  • the other end When mounting the second cartridge 20g to the second mounting portion 602T, the other end is rotationally moved about the hinge 89 as a fulcrum to bring the first protruding surface portion 246 into contact with the second side surface 203, thereby causing the first protrusion
  • the surface portion 246 can be disposed between the first restricting portion 635A and the second restricting portion 635B (FIG. 4).
  • FIG. 40 is a conceptual view of the second cartridge 20 h.
  • the second cartridge 20h is compatible with the second cartridge 20, and can be attached to and detached from the second mounting portion 602T.
  • the projecting surface portion 245 of the second cartridge 20h can move relative to the outer shell 21h.
  • the protruding surface portion 245 of the second cartridge 20 g is connected to the second side surface 203 by a spring 88.
  • the spring 88 is compressed to move the projecting surface portion 245 to the second side surface 203 side.
  • the first projecting surface portion 246 can be disposed between the first restricting portion 635A and the second restricting portion 635B (FIG. 4), and the cartridge side engaging portion 235 of the engaging member 230 is provided in the device side engaging portion 632A. It can be locked.
  • the second cartridge 20 of the above embodiment has the outer shell 21 and the second liquid storage chambers 200A, 200B, and 200C integrally formed, but has compatibility with the second cartridge 20, and the second mounting portion 602T. If it is detachable, it may be configured as a two-part type cartridge composed of two elements. The two-part type cartridge will be described below.
  • FIG. 41 is a conceptual view of a two-piece type second cartridge 20i.
  • FIG. 42 is a schematic view of a two-piece type second cartridge 20i.
  • the second cartridge 20i has compatibility with the second cartridge 20, and can be attached to and detached from the second mounting portion 602T.
  • the second cartridge 20i has a case member 277 and a housing member 278.
  • the storage member 278 has the second liquid storage chambers 200A, 200B, and 200C inside, and when the liquid in the second liquid storage chambers 200A, 200B, and 200C is exhausted, the storage member 278 is replaced with a new one, Supply
  • An outer shell 21i of the second cartridge 20i is configured by a combination of an outer shell 277i of the case member 277 and an outer shell 278i of the housing member 278.
  • the storage member 278 includes an engagement member 230 and liquid supply ports 280A, 280B, and 280C.
  • the outer shell 278i of the housing member 278 is provided with faces 201i to 206i corresponding to the faces 201 to 206 of the second cartridge 20i.
  • the bottom surface 201i and the top surface 202i face in the Z direction, the second side face 203i and the first side face 204i face in the Y direction, and the third side face 205i and the fourth side face 206i face in the X direction ing.
  • the bottom surface 201i is on the ⁇ Z direction side, and the top surface 202i is on the + Z direction side.
  • the second side surface 203i is located on the -Y direction side, and the first side surface 204i is located on the + Y direction side.
  • the third side surface 205i is on the + X direction side, and the fourth side surface 206i is on the ⁇ X direction side.
  • An engagement member 230 is provided on the second side surface 203i, and liquid supply ports 280A, 280B, and 280C are provided on the bottom surface 201i.
  • the outer shell 277i of the case member 277 has a surface corresponding to the bottom surface 201, the top surface 202, the first side surface 204, the second side surface 203, and the third side surface 205 of the second cartridge 20i.
  • the surface corresponding to the fourth side surface 206 of the second cartridge 20i is an opening 206.
  • the second side surface 203 is provided with a first projecting surface portion 246 and a circuit board 400.
  • the bottom surface 201 is formed with an opening 292 in which the ⁇ X direction and the Z direction are opened.
  • the liquid supply ports 280A, 280B, 280C are inserted through the opening 292 (FIG. 42).
  • the second side surface 203 is formed with an opening 293 in which the ⁇ X direction and the Y direction are opened.
  • the engagement member 230 is inserted into the opening 293 (FIG. 42).
  • FIG. 43 is a conceptual view of a two-component second cartridge 20 j.
  • FIG. 44 is a schematic view of a two-piece second cartridge 20 j.
  • the second cartridge 20 j has compatibility with the second cartridge 20 and can be attached to and detached from the second mounting portion 602T.
  • the second cartridge 20 j has a case member 279 and a receiving member 278.
  • the housing member 278 is the same as the housing member 278 (FIG. 41) as the second cartridge 20i, so the description will be omitted.
  • An outer shell 21 j of the second cartridge 20 j is configured by a combination of an outer shell 279 j of the case member 279 and an outer shell 278 i of the receiving member 278.
  • the case member 279 has a surface corresponding to the first side surface 204, the bottom surface 201 and the second side surface 203.
  • the surface corresponding to the upper surface 202, the third side surface 205, and the fourth side surface 206 is an opening.
  • the second side surface 203 only the ⁇ Z direction side portion connected to the bottom surface 201 is formed, and the + Z direction side portion is not formed.
  • the bottom surface 201 is formed with an opening 292j penetrating in the Z direction through which the liquid supply ports 280A, 280B, 280C are inserted.
  • the liquid supply ports 280A, 280B, 280C are inserted through the opening 292j, and the second cartridge 20j is formed (FIG. 44) .
  • the engaging member 230 is a member connected to the second side surface 203 and having elasticity (FIG. 13), but as long as the engaging member 230 is locked to the device side engaging portion 632A (FIG. 4) A configuration may be adopted. Specific examples will be described below.
  • FIG. 45 is a diagram for describing the second cartridge 20 k.
  • the second cartridge 20 differs from the second cartridge 20 in that the second projecting surface 247 extends to the intersection of the top surface 202 and the second side surface 203 and that the engaging member 230k is not elastically deformed.
  • the second cartridge 20k is compatible with the second cartridge 20, and can be attached to and detached from the second mounting portion 602T.
  • the engagement member 230k is a solid member which protrudes from the second protruding surface 247 in the -Y direction.
  • the engagement member 230 k has a cartridge side engagement portion 235. Note that, instead of the engaging member 230k, a protrusion may be provided which protrudes in the -Y direction from the second side surface 203 or the second projecting surface portion 247, and this protrusion may function as the cartridge side engaging portion 235.
  • FIG. 46 is a view for explaining the second cartridge 20l.
  • the second cartridge 20 differs from the second cartridge 20 in that the second side surface 203l has a recess 233, the configuration of the engaging member 230k, and the spring 234.
  • the second cartridge 201 is compatible with the second cartridge 20, and can be attached to and detached from the second mounting portion 602T.
  • the concave portion 233 is formed closer to the upper surface 202 than a portion of the second side surface 203 l where the circuit board 400 is disposed.
  • the recess 233 has a shape recessed in the + Y direction, and the ⁇ Y direction side is open.
  • the second cartridge 20l has a spring 234 connecting the surface on the + Y direction side of the recess 233 and the engagement member 230k.
  • the spring 234 allows the engagement member 230k to move in the Y direction.
  • the engagement member 230 k can be located inside the recess 233 or outside the recess 233.
  • the engagement member 230k is configured to be movable in the Y direction, so that the engagement of the cartridge side engagement portion 235 with the device side engagement portion 632A (FIG. 5) and the release of the engagement can be easily performed.
  • the engaging member 230k of the second cartridge 20l has the same configuration as the engaging member 230k of the second cartridge 20k.
  • FIG. 47 is a view for explaining the second cartridge 20m.
  • a different point from the second cartridge 20k is that the engagement member 230k can be separated from the shell 21.
  • the second cartridge 20m is compatible with the second cartridge 20, and can be attached to and detached from the second mounting portion 602T.
  • the configuration of the engagement member 230k of the second cartridge 20m is the same as that of the engagement member 230k of the second cartridge 20k.
  • the second attachment member 230k is attached so that the cartridge side engagement portion 235 of the engagement member 230k is engaged with the device engagement portion 632A. It may be inserted into the portion 602T.
  • the engaging member 230k and the second projecting surface 247 may have rails extending in the Z direction in which the engaging members are fitted to each other. This rail can easily guide the engaging member 230k to the locking position in the second mounting portion 602T.
  • FIG. 48 to 50 Another embodiment of cartridge side terminal group: 48 to 50 are views showing other embodiments of the terminal shape of the circuit board.
  • These circuit boards 400a to 400c are different only in the surface shape of the circuit board 400 shown in FIG. 21 and the cartridge side terminals 431 to 439.
  • the shapes of the individual terminals are not substantially rectangular but have irregular shapes.
  • nine cartridge side terminals 431 to 439 are arranged in a line, and mounting detection terminals 435 and 439 are arranged at both ends thereof.
  • the attachment detection terminals 431 and 434 are disposed between the attachment detection terminal 435 and the power supply terminal 436 and between the attachment detection terminal 439 and the data terminal 438, respectively.
  • the arrangement of the contact portions cp with the device side terminals corresponding to the cartridge side terminals 431 to 439 is the same as the circuit board 400 of FIG.
  • the surface shape of each cartridge side terminal various modifications are possible as long as the arrangement of the contact portion cp is the same.
  • FIG. 51 is a view showing another embodiment of the terminal shape of the circuit board.
  • the contact parts cp of the cartridge side terminals 436, 437, 438 are provided on the surface 400fc orthogonal to the surface 400fa.
  • the surface 400fc is a surface that faces in the -Z direction. Thus, as long as the arrangement of the contact portions cp is the same, some of the plurality of contact portions cp may not be provided on the surface 400fa.
  • a contact portion group including the plurality of contact portions cp of the circuit board 30 in the first cartridge 10 mounted to the first mounting portion 602W and the second cartridge 20 mounted to the second mounting portion 602T, a contact portion group including the plurality of contact portions cp of the circuit board 30. And the contact part group which consists of the some contact part cp of the circuit board 400 may be provided in a different position in the Z direction. In the position different from the Z direction, if the contact group of the circuit board 30 and the contact group of the circuit board 400 are arranged to be shifted in the Z direction, the range of the Z direction in which the contact group is located is partially It may overlap in the Z direction.
  • the cartridge in which the plurality of liquid storage chambers 200A to 200C are partitioned by the partition walls 22 and 23 is used as the second cartridge 20, but a plurality of cartridges having one liquid storage chamber may be joined or the like.
  • the integrated cartridge may be used as the second cartridge.
  • the first cartridge 10 does not have the liquid absorber 299, but may have it.
  • the second cartridge 20 has the liquid absorber 299, it may not have.
  • the first cartridge 10 contains pigment ink, it may contain dye ink.
  • the second cartridge 20 contains the dye ink, it may contain a pigment ink.
  • the present invention is not limited to an ink jet printer and a cartridge used in the printer, but can be applied to any liquid ejecting apparatus that ejects a liquid other than ink and a cartridge used in the liquid ejecting apparatus .
  • the present invention is applicable to the following various liquid ejecting apparatuses and their cartridges.
  • Image recording apparatus such as facsimile apparatus
  • Color material injection apparatus used for manufacturing color filters for image display apparatus such as liquid crystal display
  • Organic EL (Electro Luminescence) display surface emitting display
  • Field Electrode material jet device used for electrode formation such as emission display (FED)
  • Liquid jet device for jetting liquid containing bioorganic matter used for biochip manufacturing (5) Sample jet device as precision pipette (6) Lubrication Oil injection device (7) Resin liquid injection device (8) Liquid injection device that injects lubricating oil at precision points such as watches and cameras (9) Micro-hemispherical lenses used for optical communication elements etc.
  • optical lens A liquid jet apparatus which ejects a transparent resin liquid such as an ultraviolet curable resin liquid onto a substrate to form a substrate etc.
  • a liquid ejecting apparatus that ejects an alkaline etching solution (11) any other liquid ejecting apparatus including a liquid ejecting head ejecting a minute amount of liquid droplet.
  • the “droplet” refers to the state of the liquid discharged from the liquid ejecting apparatus, and includes granular, teardrop-like, and threadlike tails.
  • the “liquid” referred to here may be any material that can be ejected by the liquid ejecting apparatus.
  • the “liquid” may be any material in the liquid phase when the substance is in the liquid phase, and is a liquid material in high or low viscosity, sol, gel water, other inorganic solvents, organic solvents, solutions, Materials in a liquid state such as liquid resin and liquid metal (metal melt) are also included in the “liquid”.
  • liquid not only the liquid as one state of the substance, but also those obtained by dissolving, dispersing or mixing particles of functional materials consisting of solid matter such as pigment and metal particles in a solvent are included in the “liquid”.
  • typical examples of the liquid include the ink described in the above embodiment, liquid crystal, and the like.
  • the ink includes general aqueous inks and oil-based inks, and various liquid compositions such as gel inks and hot melt inks.
  • SYMBOLS 5 Cartridge set, 10 ... 1st cartridge, 12 ... Outer shell, 13 ... Upper surface, 14 ... Bottom surface, 15 ... Back surface, 16 ... Front, 17 ... Left side, 18 ... Right side, 19 ...
  • Atmosphere introduction port 20, 20a to 20m, 20V, 20W: second cartridge, 21 21c, 21d, 21e, 21f, 21g, 21h, 21i, 21j: outer shell, 22, 23: partition wall, 30: circuit board, 31: cartridge side terminal 50: liquid ejection device 60: cartridge holder 70, 70A, 70B contact mechanism 71 to 79 terminal 89: hinge hinge 90: liquid ejection system 100: first liquid storage chamber 120: engagement member , 122: cartridge side engaging portion, 142: communication hole, 150: valve mechanism, 153: valve body, 155: biasing member, 180: liquid supply port, 183: film, 18 ... opening, 200, 200A, 200B, 200C ... second liquid storage chamber, 201, 201i ...
  • bottom surface 202, 202i ... top surface, 203, 203i ... second side surface, 204, 204i ... first side surface, 205, 205i ... first 3 sides, 206, 206i ... 4th side, 213, 221, 222 ... recesses, 230, 230 k ... engaging members, 231 ... first end, 232 ... second end, 233 ... recesses, 235 ...
  • first surface portion 242 first surface portion 245: projecting surface portion 246: first projecting surface portion 246A: second side portion 246B: first side portion 247: second projecting surface portion 248: 248 Second projection, 249: first projection, 250: convex portion, 252: concave portion, 257: uneven portion, 258: concave portion, 258fa, 258fb: surface, 262: first projection, 263: second projection, 264: Parts, 270, 270b ... Adapters, 277 ... Case members, 277i ... Outer shell, 278 ... Housing members, 278i ... Outer shell, 279 ... Case members, 279j ...
  • cartridge mounting section 602T: second mounting portion
  • 602W first mounting portion
  • 603 first device side wall portion
  • 604 second device side wall portion
  • 604R partition wall
  • 605 third device side wall portion
  • 606 sixth 4 device side wall portion, 611 ... region, 615 ... device side regulating wall portion, 616 ... cartridge identification convex portion, 617 ...
  • R3 ... corner part, R30 ... square, RN1 ... first terminal row, RN2 ... second terminal row, W241 ... range, W242 ... range, W246 ... range, WA ... range, WE ... ... Range, XCP ... central, cp ... contact, cpc ... central contact

Landscapes

  • Ink Jet (AREA)

Abstract

L'invention concerne une technique permettant de maintenir de manière appropriée un contact entre une borne côté dispositif et une partie de contact. Dans cette cartouche, un axe central d'un orifice central d'alimentation en liquide est positionné dans une zone, dans la direction X, dans laquelle une partie surface saillante est positionnée ; un axe central d'un orifice d'alimentation en liquide sur le côté direction -X de l'orifice central d'alimentation en liquide est positionné dans une zone, dans la direction X, dans laquelle une première partie surface est positionnée ; et un axe central d'un orifice d'alimentation en liquide sur le côté direction +X de l'orifice central d'alimentation en liquide est positionné dans une zone, dans la direction X, dans laquelle une seconde partie surface est positionnée.
PCT/JP2018/034205 2017-09-20 2018-09-14 Cartouche WO2019059128A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2019543618A JPWO2019059128A1 (ja) 2017-09-20 2018-09-14 カートリッジ

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-180092 2017-09-20
JP2017180092 2017-09-20

Publications (1)

Publication Number Publication Date
WO2019059128A1 true WO2019059128A1 (fr) 2019-03-28

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PCT/JP2018/034205 WO2019059128A1 (fr) 2017-09-20 2018-09-14 Cartouche

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Country Link
JP (1) JPWO2019059128A1 (fr)
CN (2) CN209022616U (fr)
TW (1) TW201932314A (fr)
WO (1) WO2019059128A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10286972A (ja) * 1996-08-30 1998-10-27 Canon Inc インクタンク、ホルダー、インクジェットカートリッジおよびキャップ
WO1999059823A1 (fr) * 1998-05-18 1999-11-25 Seiko Epson Corporation Imprimante a jet d'encre et cartouche d'encre
JP2010155469A (ja) * 2000-01-18 2010-07-15 Seiko Epson Corp インクカートリッジおよびこれを用いたインクジェット式記録装置並びに同装置における記録ヘッドのクリーニング制御方法
US20110032312A1 (en) * 2009-08-10 2011-02-10 Anderson Jr James Daniel Multi-color ink tank with features spaced by distances ensuring interface with printhead
JP2012051312A (ja) * 2010-09-03 2012-03-15 Seiko Epson Corp 印刷装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10286972A (ja) * 1996-08-30 1998-10-27 Canon Inc インクタンク、ホルダー、インクジェットカートリッジおよびキャップ
WO1999059823A1 (fr) * 1998-05-18 1999-11-25 Seiko Epson Corporation Imprimante a jet d'encre et cartouche d'encre
JP2010155469A (ja) * 2000-01-18 2010-07-15 Seiko Epson Corp インクカートリッジおよびこれを用いたインクジェット式記録装置並びに同装置における記録ヘッドのクリーニング制御方法
US20110032312A1 (en) * 2009-08-10 2011-02-10 Anderson Jr James Daniel Multi-color ink tank with features spaced by distances ensuring interface with printhead
JP2012051312A (ja) * 2010-09-03 2012-03-15 Seiko Epson Corp 印刷装置

Also Published As

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CN209022616U (zh) 2019-06-25
CN109515003A (zh) 2019-03-26
TW201932314A (zh) 2019-08-16
JPWO2019059128A1 (ja) 2020-10-15

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