Abstract: A printing fluid cartridge includes a front face oriented toward a first direction, a printing fluid supply portion positioned at front face, a rear face positioned opposite the front face and oriented toward a second direction opposite the first direction, at least one electrical interface positioned between the front face and the rear face, and an engagement surface facing in the second direction. The at least one electrical interface is offset from the printing supply portion with respect to a third direction perpendicular to the first direction and the second direction. The at least one electrical interface is positioned closer to front face than the engagement surface is, and the at least one electrical interface and the engagement surface intersect a plane which is parallel with the first direction, the second direction, and the third direction.

Abstract: A liquid supplying device includes a liquid cartridge and a cartridge mounting unit having a liquid extraction tube. The liquid cartridge includes a liquid chamber, a valve chamber extending in a first direction away from the liquid chamber, first and second air channels, a seal member having a through-hole, a valve element having a closing part, first and second sealing parts and a liquid channel. A third sealing part is provided on the closing part or the liquid extraction tube. The liquid extraction tube entering into the valve chamber through the through-hole contacts the closing part, moving the valve element in a second direction opposite to the first direction from a first state where the closing part closes the through-hole, to a second state where the third sealing part closes the through-hole, and to a third state where the valve chamber is communicated with inside of the liquid extraction tube.

Abstract: An ink cartridge comprises a main body comprising a first surface, a second surface, and a chamber, configured to store ink, disposed between the first surface and the second surface; an ink outlet portion disposed on the first surface of the main body configured to direct the ink from the chamber to an exterior of the main body; and an electronic circuit board disposed on the main body. The electronic circuit board comprises an electrical interface, a first portion facing a second direction that intersects a first plane that is perpendicular to the first direction, a second portion facing a third direction away from the ink outlet portion that intersects a second plane that is parallel to the first direction, and a connecting portion between the first portion and the second portion. The electrical interface is disposed on an area of the electronic circuit board including the connecting portion.

Abstract: An ink containing device includes an ink cartridge and an adaptor. The ink cartridge includes a first main body having a first surface facing a first direction and a chamber that stores ink, an ink outlet portion disposed on the first surface of the first main body and that directs the ink from the chamber to an exterior of the first main body; and an ink detecting portion that detects an amount of the ink stored in to chamber. The adapter is attachable to the ink cartridge. The adapter includes a second main body and a movable member that moves with respect to the second main body.

Abstract: An ink containing device comprises an ink cartridge and an adaptor. The ink cartridge comprises a first main body comprising a. chamber configured to store ink, an ink outlet portion disposed on a first surface of the first main body configured to direct the ink from the chamber to an exterior of the first main body wherein the first surface faces a first direction, and an electrical interface disposed on the first main body The adaptor is configured to be in an attached state with the ink cartridge. The adaptor comprises a second main body comprising a first contact disposed on a particular surface facing a particular direction, and a second contact disposed on a further surface and electrically connected to the first contact, wherein the second contact is electrically connected to the electrical interface in the attached state.

Abstract: A printing fluid cartridge includes at least one electrical interface configured to be electrically connected to at least one contact, and a light attenuating portion configured to attenuate light.

Abstract: A liquid supplying device includes a liquid cartridge and a cartridge mounting unit having a liquid extraction tube. The liquid cartridge includes a liquid chamber, a valve chamber extending in a first direction away from the liquid chamber, first and second air channels, a seal member having a through-hole, a valve element having a closing part, first and second sealing parts and a liquid channel. A third sealing part is provided on the closing part or the liquid extraction tube. The liquid extraction tube entering into the valve chamber through the through-hole contacts the closing part, moving the valve element in a second direction opposite to the first direction from a first state where the closing part closes the through-hole, to a second state where the third sealing part closes the through-hole, and to a third state where the valve chamber is communicated with inside of the liquid extraction tube.

Abstract: An ink containing device includes an ink cartridge and an adaptor. The ink cartridge comprises a first main body comprising a chamber configured to store ink, and an ink outlet portion disposed on a first surface of the first main body configured to direct the ink from the chamber to an exterior of the first main body, and an ink detecting portion configured to detect an amount of the ink stored in the ink chamber. The adaptor is configured to attach to the ink cartridge. The adaptor comprises a second main body comprising a second surface, and an electrical interface disposed on the second surface.

Abstract: A printing fluid cartridge includes a front face oriented toward a first direction, a printing fluid supply portion positioned at the front face, a rear face positioned opposite the front face and oriented toward a second direction opposite the first direction, an electrical interface positioned between the front face and the rear face and facing, and an engagement surface facing in the second direction.

Abstract: An ink cartridge comprises a main body comprising a first surface, a second surface, and a chamber, configured to store ink, disposed between the first surface and the second surface; an ink outlet portion disposed on the first surface of the main body configured to direct the ink from the chamber to an exterior of the main body; and an electronic circuit board disposed on the main body. The electronic circuit board comprises an electrical interface, a first portion facing a second direction that intersects a first plane that is perpendicular to the first direction, a second portion facing a third direction away from the ink outlet portion that intersects a second plane that is parallel to the first direction, and a connecting portion between the first portion and the second portion. The electrical interface is disposed on an area of the electronic circuit board including the connecting portion.

Abstract: An ink containing device includes an ink cartridge and an adaptor. The ink cartridge includes a first main body having a first surface facing a first direction and a chamber that stores ink, an ink outlet portion disposed on the first surface of the first main body and that directs the ink from the chamber to an exterior of the first main body; and an ink detecting portion that detects an amount of the ink stored into chamber. The adapter is attachable to the ink cartridge. The adapter includes a second main body and a movable member that at with respect to the second main body.

Abstract: A printing fluid cartridge includes at least one electrical interface configured to be electrically connected to at least one contact, and a light attenuating portion configured to attenuate light.

Abstract: A printing fluid cartridge includes a front face oriented toward a first direction, a printing fluid supply portion positioned at front face, a rear face positioned opposite the front face and oriented toward a second direction opposite the first direction, at least one electrical interface positioned between the front face and the rear face, and an engagement surface facing in the second direction. The at least one electrical interface is offset from the printing supply portion with respect to a third direction perpendicular to the first direction and the second direction. The at least one electrical interface is positioned closer to front face than the engagement surface is, and the at least one electrical interface and the engagement surface intersect a plane which is parallel with the first direction, the second direction, and the third direction.

Abstract: An ink containing device comprises an ink cartridge and an adaptor. The ink cartridge comprises a first main body comprising a chamber configured to store ink, an ink outlet portion disposed on a first surface of the first main body configured to direct the ink from the chamber to an exterior of the first main body wherein the first surface faces a first direction, and an electrical interface disposed on the first main body. The adaptor is configured to be in an attached state with the ink cartridge. The adaptor comprises a second main body comprising a first contact disposed on a particular surface facing a particular direction, and a second contact disposed on a further surface and electrically connected to the first contact, wherein the second contact is electrically connected to the electrical interface in the attached state.

Abstract: An ink containing device includes an ink cartridge and an adaptor. The ink cartridge comprises a first main body comprising a chamber configured to store ink, and an ink outlet portion disposed on a first surface of the first main body configured to direct the ink from the chamber to an exterior of the first main body, and an ink detecting portion configured to detect an amount of the ink stored in the ink chamber. The adaptor is configured to attach to the ink cartridge. The adaptor comprises a second main body comprising a second surface, and an electrical interface disposed on the second surface.

Abstract: A liquid supplying device includes a liquid cartridge and a cartridge mounting unit having a liquid extraction tube. The liquid cartridge includes a liquid chamber, a valve chamber extending in a first direction away from the liquid chamber, first and second air channels, a seal member having a through-hole, a valve element having a closing part, first and second sealing parts and a liquid channel. A third sealing part is provided on the closing part or the liquid extraction tube. The liquid extraction tube entering into the valve chamber through the through-hole contacts the closing part, moving the valve element in a second direction opposite to the first direction from a first state where the closing part closes the through-hole, to a second state where the third sealing part closes the through-hole, and to a third state where the valve chamber is communicated with inside of the liquid extraction tube.

Abstract: An ink cartridge comprises a main body comprising a first surface, a second surface, and a chamber, configured to store ink, disposed between the first surface and the second surface; an ink outlet portion disposed on the first surface of the main body configured to direct the ink from the chamber to an exterior of the main body; and an electronic circuit board disposed on the main body. The electronic circuit board comprises an electrical interface, a first portion facing a second direction that intersects a first plane that is perpendicular to the first direction, a second portion facing a third direction away from the ink outlet portion that intersects a second plane that is parallel to the first direction, and a connecting portion between the first portion and the second portion. The electrical interface is disposed on an area of the electronic circuit board including the connecting portion.

Abstract: A printing fluid cartridge includes a front face oriented toward a first direction, a printing fluid supply portion positioned at the front face, a rear face positioned opposite the front face and oriented toward a second direction opposite the first direction, at least one electrical interface positioned between the front face and the rear face, and an engagement surface facing in the second direction. The at least one electrical interface is offset from the printing supply portion with respect to a third direction perpendicular to the first direction and the second direction. The at least one electrical interface is positioned closer to the front face than the engagement surface is, and the at least one electrical interface and the engagement surface intersect a plane which is parallel with the first direction, the second direction, and the third direction.

Abstract: An ink containing device includes an ink cartridge and an adaptor. The ink cartridge includes a first main body having a first surface facing a first direction and a chamber that stores ink, an ink outlet portion disposed on the first surface of the first main body and that directs the ink from the chamber to an exterior of the first main body; and an ink detecting portion that detects an amount of the ink stored into chamber. The adapter is attachable to the ink cartridge. The adapter includes a second main body and a movable, member that at with respect to the second main body.

Abstract: There is provided a protective cap configured to be installed into a liquid cartridge installation section having a liquid supply tube in fluid connection with a recording head for jetting a liquid via a flexible tube. The protective cap includes: an chamber defined by a case in a liquid-tight manner; a liquid absorbing member filled in the chamber; a connecting portion having a connecting channel in communication with the chamber and configured to be connected with the liquid supply tube; and an atmosphere communication portion via which the chamber communicates an outside of the case.