Abstract: A system includes: a housing; a first tank; a second tank; a first reservoir configured to be connected to the first tank; a second reservoir configured to be connected to the second tank; and a liquid discharge head that ejects the liquid supplied from the first tank and the second tank. The housing includes: a front wall; a rear wall facing the front wall; and a housing side contact, the first reservoir and the second reservoir includes: a liquid flow hole; a first outer wall; and a second outer wall facing the first outer wall, the first tank includes a first flow pipe, and the second tank includes a second flow pipe. The system further includes a circuit board that is disposed on the second outer wall and has a reservoir side contact that contacts the housing side contact.

Abstract: According to one aspect, the disclosure provides an image recording apparatus including a liquid supplying device. The liquid supplying device includes a tank, a cartridge, an atmospheric communication portion, and a recording portion. The tank has a second storage chamber configured to store liquid, a liquid passage in communication with the second storage chamber, and a gas passage in communication with the second storage chamber. The atmospheric communication portion includes a buffer tank defining a buffer chamber configured to store gas, a single communication flow passage allowing the buffer chamber to communicate with the second storage chamber, and an air communication passage allowing the buffer chamber to communicate with an atmosphere. When the cartridge is attached to the tank, the buffer chamber is positioned below the first storage chamber and the second storage chamber is positioned below the buffer chamber.

Abstract: An inkjet printer further includes a printer main body, and an ink-accommodation unit including a first member and a second member. The first member is configured to accommodate ink to be supplied to the printer main body. The first member includes an injection portion for injection of ink. The second member is pivotably movably connected to the first member. The second member is pivotable relative to the first member between a closed position and an open position. When the second member is at the closed position, the injection portion is covered by the second member. When the second member is at the open position, the injection portion is exposed. Here, an axis of the pivot is parallel to a front-rear direction of the first member, and is positioned at a side of the first member, the side being closer to the printer main body.

Abstract: An image-recording apparatus includes a cartridge including a first storage chamber, a tank including a second storage chamber, a recording portion, a detected portion, a detector, and a wall portion. Liquid supplied from the first storage chamber to the second storage chamber through an inlet port is supplied from the second storage chamber to the recording portion through an outlet port. The wall portion partitions an internal space of the second storage chamber into a first region including the liquid inlet port and a second region including the detected portion. The wall portion extends upward than the liquid inlet port and the detected portion and downward than the liquid inlet port and the detected portion. Communication between the first region and the second region is allowed through upper and lower communication portions. The upper communication portion is positioned upward than the liquid inlet port and the detected portion.

Abstract: A system includes: a housing; a cover that is supported by the housing to be movable between a covering position and an opened position; a tank; a reservoir; and a liquid discharging head that is disposed inside the housing and discharges liquid supplied from the tank, wherein the reservoir includes a liquid passage hole; the tank includes a passage tube that extends upward from the tank and is connectable to the liquid passage hole of the reservoir, the cover includes: a first wall that is positioned above the housing at the covering position, and a second wall that extends downward from an edge of the first wall, and when the cover is positioned at the covering position and the reservoir is connected to the tank, an upper end of the reservoir is positioned above a lower end of the second wall.

Abstract: The liquid ejection device includes a cartridge, a cartridge receiving portion and a head. The cartridge includes a first storage chamber, a first air communication port, and a supply portion. The cartridge receiving portion includes a joint, a second storage chamber, a second air communication port, and an outlet port. Liquid is supplied from the first storage chamber to the second storage chamber through the supply portion connected to the joint by water head difference. The second storage chamber includes: an upper region connected to the joint; and a lower region positioned below the upper region. The lower region has a portion positioned below a lowermost surface of the cartridge and extending along the lowermost surface when the supply portion is connected to the joint. The portion of the lower region extends away from the upper region to protrude further relative to the upper region in a protruding direction.

Abstract: For an image forming apparatus including first and second storage chambers, an inequality expression of “R2>A×R1” is met. R1 is a sum of a passage resistance value obtained by flowing air through a first air communication portion and a passage resistance value obtained by flowing liquid through a supply portion. R2 is a passage resistance value obtained by flowing air through a second air communication portion. A is a cross-sectional area ratio obtained by dividing a first average cross-sectional area of a first space of the first storage chamber taken along a plurality of horizontal planes by a second average cross-sectional area of a second space of the second storage chamber taken along the plurality of horizontal planes. The first space contains at least a portion adjacent to the supply portion and accumulating the liquid. The second space contains at least a portion accumulating the liquid.

Abstract: An inkjet printer includes a main body. An ink containing unit is disposed in the main body and is configured to contain ink to be supplied. The ink containing unit includes an ink refill portion through which ink is refilled and an ink level display surface disposed on a side surface of the main body. The side surface has an opening through which a jammed sheet is removed and a first cover configured to cover the opening. The ink level display surface and the first cover are juxtaposed on the side surface in a horizontal direction.

Abstract: A liquid cartridge configured to be inserted into a cartridge attachment section includes: a cartridge body having a liquid storage chamber, and a liquid supply portion configured to supply the liquid stored in the liquid storage chamber to an outside. The liquid supply portion includes: a front end face facing frontward, an outer peripheral surface extending rearward from the front end face, and at least one guide provided at the outer peripheral surface. Each of the at least one guide is guided by corresponding at least one projection of the cartridge attachment section during attachment of a liquid supply tube of the cartridge attachment section to the liquid supply portion at a time of attachment of the liquid cartridge to the cartridge attachment section. Each of the at least one guide includes: a first guide portion, and a second guide portion.

Abstract: A liquid supplying device includes a tank; and a cartridge configured to be attached to the tank and having a first storage chamber configured to store liquid. The cartridge is formed with a communicating opening in communication with the first storage chamber. The tank has a second storage chamber configured to store the liquid, a liquid passage, a gas passage, a joint, an outer wall, an inner wall, an air communication portion, and a narrow-width portion. The liquid passage is in communication with the second storage chamber and has a first vertical portion. The gas passage has a second vertical portion. The first vertical portion, the second vertical portion, and the air communication portion are arranged in this order in the first direction and a direction away from the fifth end portion.

Abstract: An inkjet printer includes a main body. An ink containing unit is disposed in the main body and is configured to contain ink to be supplied. The ink containing unit includes an ink refill portion through which ink is refilled and an ink level display surface disposed on a side surface of the main body. The side surface has an opening through which a jammed sheet is removed and a first cover configured to cover the opening. The ink level display surface and the first cover are juxtaposed on the side surface in a horizontal direction.

Abstract: A liquid supplying device includes a tank; and a cartridge configured to be attached to the tank and having a first storage chamber configured to store liquid. The cartridge is formed with a communicating opening in communication with the first storage chamber. The tank has a second storage chamber configured to store the liquid, a liquid passage, a gas passage, a joint, an outer wall, an inner wall, an air communication portion, and a narrow-width portion. The liquid passage is in communication with the second storage chamber and has a first vertical portion. The gas passage has a second vertical portion. The first vertical portion, the second vertical portion, and the air communication portion are arranged in this order in the first direction and a direction away from the fifth end portion.

Abstract: A system includes: a housing; a cover that is supported by the housing to be movable between a covering position and an opened position; a tank; a reservoir; and a liquid discharging head that is disposed inside the housing and discharges liquid supplied from the tank, wherein the reservoir includes a liquid passage hole; the tank includes a passage tube that extends upward from the tank and is connectable to the liquid passage hole of the reservoir, the cover includes: a first wall that is positioned above the housing at the covering position, and a second wall that extends downward from an edge of the first wall, and when the cover is positioned at the covering position and the reservoir is connected to the tank, an upper end of the reservoir is positioned above a lower end of the second wall.

Abstract: A system includes: a casing that has a conveyance path and through which a sheet passes; a first tank that is disposed on one side of the conveyance path; a second tank that is disposed on the other side of the conveyance path; a first reservoir that is connectable to the first tank; a second reservoir that is connectable to the second tank; and a liquid ejection head that is disposed inside the casing and is configured to eject liquid supplied from the first tank and the second tank, wherein the first reservoir includes a first liquid flowing hole, the second reservoir includes a second liquid flowing hole, the first tank includes a first flow conduit connectable to the first liquid flowing hole, and the second tank includes a second flow conduit connectable to the second liquid flowing hole.

Abstract: A system includes: a housing; a first tank; a second tank; a first reservoir configured to be connected to the first tank; a second reservoir configured to be connected to the second tank; and a liquid discharge head that ejects the liquid supplied from the first tank and the second tank. The housing includes: a front wall; a rear wall facing the front wall; and a housing side contact, the first reservoir and the second reservoir includes: a liquid flow hole; a first outer wall; and a second outer wall facing the first outer wall, the first tank includes a first flow pipe, and the second tank includes a second flow pipe. The system further includes a circuit board that is disposed on the second outer wall and has a reservoir side contact that contacts the housing side contact.

Abstract: A liquid cartridge configured to be inserted into a cartridge attachment section includes: a cartridge body having a liquid storage chamber, and a liquid supply portion configured to supply the liquid stored in the liquid storage chamber to an outside. The liquid supply portion includes: a front end face facing frontward, an outer peripheral surface extending rearward from the front end face, and at least one guide provided at the outer peripheral surface. Each of the at least one guide is guided by corresponding at least one projection of the cartridge attachment section during attachment of a liquid supply tube of the cartridge attachment section to the liquid supply portion at a time of attachment of the liquid cartridge to the cartridge attachment section. Each of the at least one guide includes: a first guide portion, and a second guide portion.

Abstract: A liquid supplying device includes a tank; and a cartridge configured to be attached to the tank and having a first storage chamber configured to store liquid. The cartridge is formed with a communicating opening in communication with the first storage chamber. The tank has a second storage chamber configured to store the liquid, a liquid passage, a gas passage, a joint, an outer wall, an inner wall, an air communication portion, and a narrow-width portion. The liquid passage is in communication with the second storage chamber and has a first vertical portion. The gas passage has a second vertical portion. The first vertical portion, the second vertical portion, and the air communication portion are arranged in this order in the first direction and a direction away from the fifth end portion.

Abstract: A liquid supply apparatus includes a tank and a cartridge attachable to and detachable from the tank along an attachment and detachment direction crossing a vertical direction. The cartridge includes a first storing chamber configured to store liquid therein. The tank includes a second storing chamber configured to store liquid therein, a liquid channel and an air channel that communicate with the second storing chamber, and an air communication port allowing the second storing chamber to communicate with an outside thereof. When the cartridge is attached to the tank with the first storing chamber of the cartridge communicating with the liquid channel and the air channel of the tank, the first storing chamber has a portion located above the liquid channel and the air channel in the vertical direction, and the tank is located below a secondary-lower surface and faces a secondary-front surface.

Abstract: A liquid cartridge includes: a housing; a liquid passage extending in a first lateral direction from the housing when the housing is in an operational posture; a sealing member provided in the liquid passage; a circuit board including an electrical contact; and a restricting surface positioned below the liquid passage. The restricting surface is capable of preventing the housing from moving in a second lateral direction opposite the first lateral direction. When the housing is in an operational posture, the liquid passage is positioned closer to the restricting surface than the circuit board is to the restricting surface with respect to a vertical direction perpendicular to the first lateral direction; and the circuit board and the restricting surface are positioned further in the second lateral direction relative to the sealing member.

Abstract: A liquid supply apparatus a tank and a cartridge attachable to the tank along an attachment direction crossing a horizontal direction and a vertical direction. The cartridge includes a first storing chamber configured to store liquid therein. The tank includes a second storing chamber configured to store liquid therein, a liquid channel and an air channel. When the cartridge is attached to the tank, the first storing chamber has a portion located above the liquid channel and the air channel, and the second storing chamber has a portion located below the liquid channel and the air channel.