JP7707516B2 - Liquid supply system, liquid supply bottle, liquid supply bottle set - Google Patents

Description

The present disclosure relates to a liquid supply system that includes a liquid storage tank in which liquid is stored and a liquid supply bottle that supplies liquid to the liquid storage tank, a liquid supply bottle used in the liquid supply system, and a liquid supply bottle set that includes the liquid supply bottle.

For example, in an inkjet printer, which is an example of an image forming device that forms an image on an object such as a sheet, it is considered to construct a liquid supply system that includes an ink storage tank in which ink is stored, and an ink supply bottle that supplies ink to the ink storage tank (see, for example, Patent Document 1).

JP 2015-24852 A

In inkjet printers, it is generally assumed that the consumption of black ink will be greater than the consumption of cyan ink, magenta ink, and yellow ink. For this reason, it is considered to make the content volume of the ink supply bottle for black ink, which replenishes black ink, greater than the content volume of the ink supply bottle for cyan ink, the content volume of the ink supply bottle for magenta ink, and the content volume of the ink supply bottle for yellow ink.

However, if the content volume of the ink supply bottle for black ink is made larger than the content volume of the ink supply bottle for inks other than black ink, the time required to replenish black ink from the ink supply bottle into the ink storage tank will be longer than the time required to replenish inks other than black ink from the ink supply bottle into the ink storage tank.

The present disclosure has been made in consideration of the above circumstances, and its purpose is to provide a liquid refill system that can reduce the time required to refill a liquid storage tank with liquid from a liquid refill bottle with a large capacity, a liquid refill bottle used in this liquid refill system, and a liquid refill bottle set consisting of this liquid refill bottle.

The liquid replenishing system according to the present disclosure includes a first liquid storage tank in which a first liquid is stored, a second liquid storage tank in which a second liquid is stored, a first liquid replenishing bottle that replenishing the first liquid into the first liquid storage tank, a second liquid replenishing bottle that replenishing the second liquid into the second liquid storage tank, and a first liquid supply unit provided at a connection between the first liquid replenishing bottle and the first liquid storage tank during a first replenishing step in which the first liquid is replenishing from the first liquid replenishing bottle in an unreplenished state in which the first liquid has not been replenished into the first liquid storage tank, and a second liquid replenishing bottle that replenishing the second liquid into the first liquid storage tank. A liquid supply system including a second liquid supply unit provided at a connection between the second liquid supply bottle and the second liquid storage tank during a second supply in which the second liquid is supplied from the second liquid supply bottle in an unsupplied state in which the second liquid has not been supplied to the storage tank, and a second liquid supply unit provided at a connection between the second liquid supply bottle and the second liquid storage tank, characterized in that a first liquid level height, which is a height from the first liquid supply unit to the liquid level of the first liquid in the first liquid supply bottle during the first supply, is higher than a second liquid level height, which is a height from the second liquid supply unit to the liquid level of the second liquid in the second liquid supply bottle during the second supply.

The liquid supply system according to the present disclosure is a liquid supply system including a first liquid storage tank in which a first liquid is stored, a second liquid storage tank in which a second liquid is stored, a first liquid supply bottle that supplies the first liquid to the first liquid storage tank, and a second liquid supply bottle that supplies the second liquid to the second liquid storage tank, and is characterized in that, during a first supply of the first liquid from the first liquid supply bottle in an unsupplied state in which the first liquid has not been supplied to the first liquid storage tank, the opening area of a first liquid supply section provided at a connection between the first liquid supply bottle and the first liquid storage tank is larger than the opening area of a second liquid supply section provided at a connection between the second liquid supply bottle and the second liquid storage tank, during a second supply of the second liquid from the second liquid supply bottle in an unsupplied state in which the second liquid has not been supplied to the second liquid storage tank.

The liquid supply bottle according to the present disclosure is used to supply liquid to a liquid storage tank, and is characterized by being used in the liquid supply system according to the present disclosure.

The liquid refill bottle set according to the present disclosure is a liquid refill bottle set including a first liquid refill bottle for refilling a first liquid into a first liquid storage tank, and a second liquid refill bottle for refilling a second liquid into a second liquid storage tank, and during a first refill in which the first liquid is refilled from the first liquid refill bottle in an unrefilled state in which the first liquid has not been refilled into the first liquid storage tank, the first liquid refill bottle has a first liquid supply section at a connection portion with the first liquid storage tank, and the second liquid storage tank has a second liquid supply section at a connection portion with the first liquid storage tank. During the second supply, when the second liquid is supplied from the second liquid supply bottle in an unsupplied state where the second liquid is not supplied, into the second liquid storage tank, the second liquid supply bottle has a second liquid supply part at a connection part with the second liquid storage tank, and a first liquid level height, which is a height from the first liquid supply part to the liquid level of the first liquid in the first liquid supply bottle during the first supply, is higher than a second liquid level height, which is a height from the second liquid supply part to the liquid level of the second liquid in the second liquid supply bottle during the second supply.

The liquid supply bottle set according to the present disclosure is a liquid supply bottle set including a first liquid supply bottle for supplying a first liquid into a first liquid storage tank and a second liquid supply bottle for supplying a second liquid into a second liquid storage tank, and is characterized in that, during a first supply of the first liquid from the first liquid supply bottle in an unsupplied state in which the first liquid has not been supplied into the first liquid storage tank to supply the first liquid into the first liquid storage tank, the opening area of a first liquid supply section provided at a connection between the first liquid supply bottle and the first liquid storage tank is larger than the opening area of a second liquid supply section provided at a connection between the second liquid supply bottle and the second liquid storage tank during a second supply of the second liquid from the second liquid supply bottle in an unsupplied state in which the second liquid has not been supplied into the second liquid storage tank.

According to the liquid refill system, liquid refill bottle, and liquid refill bottle set of the present disclosure, even if the content volume of the first liquid refill bottle is made larger than the content volume of the second liquid refill bottle, it is possible to shorten the time required to refill the first liquid from the first liquid refill bottle into the first liquid storage tank. Therefore, it is possible to prevent the time required to refill the liquid from the liquid refill bottle with a larger content volume into the liquid storage tank from becoming longer.

FIG. 1 is a diagram illustrating an example of the configuration of a liquid supply system according to a first embodiment; FIG. 4 is an enlarged view illustrating an example of the configuration of a first liquid supply unit and a second liquid supply unit according to the first embodiment; FIG. 13 is a diagram illustrating an example of the configuration of a liquid supply system according to a second embodiment; FIG. 13 is a diagram illustrating an example of the configuration of a liquid supply system according to a third embodiment. FIG. 13 is a diagram illustrating an example of the configuration of a liquid supply system according to a fourth embodiment. FIG. 13 is a diagram illustrating an example of the configuration of a liquid supply system according to a fifth embodiment. FIG. 13 is a diagram illustrating an example of the configuration of a liquid supply system according to a sixth embodiment. FIG. 13 is a schematic diagram showing a configuration example of a liquid supply system according to a modified embodiment; FIG. 1 is a diagram illustrating an example of the configuration of a liquid supply system according to a modified example of the first embodiment; FIG. 13 is a diagram illustrating an example of the configuration of a liquid supply system according to a modified example of the second embodiment; FIG. 13 is a diagram illustrating an example of the configuration of a liquid supply system according to a modified example of the third embodiment; FIG. 13 is a schematic diagram illustrating an example of a state in which the liquid supply bottle is separated from the liquid storage tank in the configuration example of the liquid supply system according to the modified example of the first embodiment; FIG. 13 is a schematic diagram illustrating an example of a state in which the liquid supply bottle is separated from the liquid storage tank in the configuration example of the liquid supply system according to the modified example of the second embodiment; FIG. 13 is a schematic diagram illustrating an example of a state in which the liquid supply bottle is separated from the liquid storage tank in the configuration example of the liquid supply system according to the modified example of the third embodiment; FIG. 13 is an enlarged view illustrating an example of the configuration of a first liquid supply unit and a second liquid supply unit according to a modified example of the first embodiment;

Below, multiple embodiments of the liquid refill system, liquid refill bottle, and liquid refill bottle set of the present disclosure will be described with reference to the drawings. Elements that are substantially the same in multiple embodiments will be given the same reference numerals, and their description will be omitted. Furthermore, the up and down arrows shown in the drawings indicate the up and down directions that are set based on a "use state" in which ink, an example of a liquid, can be injected into the liquid storage tank, and in this "use state," the upper part is defined as the upper side, and the lower part is defined as the lower side.

First Embodiment
1 is an example of a liquid supply system, and is provided in an image forming apparatus such as an inkjet printer that forms an image by ejecting ink onto an image formation target such as a sheet. The ink supply system 100 includes a black ink storage tank 101, a non-black ink storage tank 102, a black ink supply bottle 103, and a non-black ink supply bottle 104.

The black ink storage tank 101 is an example of a first liquid storage tank and a first-type first liquid storage tank, and is a tank in which black ink is stored. Black ink is an example of a first liquid. The black ink storage tank 101 is equipped with an ink inlet 101a. In this case, the ink inlet 101a is an inlet that protrudes upward from the upper wall of the black ink storage tank 101. The ink inlet 101a is simply an opening that connects the inside and outside of the black ink storage tank 101. The ink inlet 101a is opened and closed by a cap (not shown).

The non-black ink storage tank 102 is an example of a second liquid storage tank and a first-type second liquid storage tank, and is a tank in which non-black ink, i.e., ink other than black ink, is stored. Non-black ink is an example of a second liquid, and in this case, one of cyan ink, magenta ink, and yellow ink is selected for one non-black ink storage tank 102. The non-black ink storage tank 102 is equipped with an ink inlet 102a. In this case, the ink inlet 102a is an inlet that protrudes upward from the upper wall of the non-black ink storage tank 102. The ink inlet 102a is simply an opening that communicates between the inside and outside of the non-black ink storage tank 102. The ink inlet 102a is opened and closed by a cap (not shown).

For ease of explanation, only one non-black ink storage tank 102 is shown in the figure, but if, for example, cyan ink, magenta ink, yellow ink, etc. are used as non-black ink, the ink refill system 100 is provided with three non-black ink storage tanks 102 corresponding to these three types of ink. In other words, the ink refill system 100 is provided with the same number of non-black ink storage tanks 102 as the number of non-black inks used in image formation.

The black ink refill bottle 103 is an example of a liquid refill bottle, a first liquid refill bottle, and a first method first liquid refill bottle, and is a bottle for refilling black ink into the black ink storage tank 101. The black ink refill bottle 103 includes a bottle main body portion 103a and a nozzle portion 103b. The bottle main body portion 103a is an example of a first bottle main body portion, and contains black ink therein. The nozzle portion 103b is an example of a first nozzle portion, and is attached to the tip of the bottle main body portion 103a. The black ink refill bottle 103 refills black ink into the black ink storage tank 101, and can also be defined as an example of a liquid refill bottle used in the ink refill system 100.

The non-black ink refill bottle 104 is an example of a second liquid refill bottle and a first-type second liquid refill bottle, and is a bottle for refilling the non-black ink in the non-black ink storage tank 102. The non-black ink refill bottle 104 includes a bottle body portion 104a and a nozzle portion 104b. The bottle body portion 104a is an example of a second bottle body portion, and contains a non-black ink therein, in this case, any one of cyan ink, magenta ink, and yellow ink. The nozzle portion 104b is an example of a second nozzle portion, and is attached to the tip of the bottle body portion 104a. The non-black ink refill bottle 104 refills the non-black ink in the non-black ink storage tank 102, and can also be defined as an example of a liquid refill bottle used in the ink refill system 100.

Furthermore, a bottle set consisting of a set of multiple bottles including a black ink refill bottle 103 and one or more non-black ink refill bottles 104 can be defined as an example of a liquid refill bottle set BS used in the ink refill system 100.

In the ink refill system 100 configured as described above, when the tip of the black ink refill bottle 103, i.e., the nozzle portion 103b, is inserted from above into the ink inlet 101a of the black ink storage tank 101, the bottle body portion 103a of the black ink refill bottle 103 is repeatedly pressed by the user, causing the black ink in the bottle body portion 103a to flow out into the black ink storage tank 101. As a result, black ink is refilled into the black ink storage tank 101 from the black ink refill bottle 103, which is in an unrefilled state in which black ink has not been refilled into the black ink storage tank 101.

In addition, when the tip portion, i.e., the nozzle portion 104b, of the non-black ink refill bottle 104 is inserted from above into the ink inlet 102a of the non-black ink storage tank 102, the bottle body portion 104a of the non-black ink refill bottle 104 is repeatedly crushed by the user, causing the non-black ink in the bottle body portion 104a to flow out into the non-black ink storage tank 102. As a result, non-black ink is refilled into the non-black ink storage tank 102 from the non-black ink refill bottle 104, which is in an unrefilled state in which the non-black ink has not been refilled into the non-black ink storage tank 102.

That is, the ink refill method in the ink refill system 100 is a method called a pumping method in which black ink is supplied into the black ink storage tank 101 by repeatedly squeezing the bottle body 103a of the black ink refill bottle 103, and non-black ink is supplied into the non-black ink storage tank 102 by repeatedly squeezing the bottle body 104a of the non-black ink refill bottle. Note that this pumping method is an example of the first method.

In this case, the black ink storage tank 101 and the non-black ink storage tank 102 have the same height dimension and are installed at the same height within the image forming device. Therefore, the height of the ink inlet 101a and the height of the ink inlet 102a are almost or completely the same height.

The ink refill system 100 configured as described above is further provided with a black ink supply unit 110 and a non-black ink supply unit 120. The black ink supply unit 110 is an example of a first liquid supply unit and a first type first liquid supply unit. The non-black ink supply unit 120 is an example of a second liquid supply unit and a first type second liquid supply unit.

That is, the black ink supply unit 110 is provided at the connection between the black ink refill bottle 103 and the black ink storage tank 101 during black ink refill, when black ink is refilled from the black ink refill bottle 103, which is in an unreplenished state where black ink has not been refilled into the black ink storage tank 101. Note that the time of black ink refill when this black ink supply unit 110 is formed is an example of the first refill.

The non-black ink supply unit 120 is provided at the connection between the non-black ink refill bottle 104 and the non-black ink storage tank 102 during non-black ink refill, in which non-black ink is refilled from the non-black ink refill bottle 104 in an unreplenished state in which non-black ink has not been refilled into the non-black ink storage tank 102. The non-black ink refill in which the non-black ink supply unit 120 is formed is an example of the second refill.

The first liquid level height Lp, which is the height from the black ink supply unit 110 to the liquid level of the black ink in the black ink supply bottle 103 when black ink is replenished, is higher than the second liquid level height Lq, which is the height from the non-black ink supply unit 120 to the liquid level of the non-black ink in the non-black ink supply bottle 104 when non-black ink is replenished.

To explain in more detail, as illustrated in FIG. 2, in this case, the first height reference HK1 is set for the black ink supply unit 110 and the non-black ink supply unit 120. In this case, the height of the lower end of the opening of the nozzle unit 103b constituting the lower end of the opening of the black ink supply unit 110 and the height of the lower end of the opening of the nozzle unit 104b constituting the lower end of the opening of the non-black ink supply unit 120 are set as the first height reference HK1. Therefore, the first liquid level height Lp is the height from the lower end of the opening of the black ink supply unit 110 to the liquid level of the black ink in the black ink supply bottle 103 when black ink is supplied, and the second liquid level height Lq is the height from the lower end of the opening of the non-black ink supply unit 120 to the liquid level of the non-black ink in the non-black ink supply bottle 104 when non-black ink is supplied.

The first height reference HK1, which sets the height of the lower end of the opening of the black ink supply unit 110 and the height of the lower end of the opening of the non-black ink supply unit 120, can also be defined as follows:

That is, the first height reference HK1 is set to the height of the tip of the nozzle portion 103b, i.e., the part of the black ink supply portion 110 with the narrowest opening area. Also, the first height reference HK1 is set to the height of the tip of the nozzle portion 104b, i.e., the part of the non-black ink supply portion 120 with the narrowest opening area.

The first height reference HK1 is set to the tip of the nozzle portion 103b, that is, the portion where black ink flows out from the black ink supply portion 110, in other words, the height of the portion where it separates. The first height reference HK1 is set to the tip of the nozzle portion 104b, that is, the portion where non-black ink flows out from the non-black ink supply portion 120, in other words, the portion where it separates. In other words, in this case, the first height reference HK1 is set to the bottom end of the opening of the black ink supply portion 110 and the bottom end of the opening of the non-black ink supply portion 120.

As shown in FIG. 2, in addition to the first height reference HK1, a second height reference HK2 may be set for the black ink supply unit 110 and the non-black ink supply unit 120. A height different from the first height reference HK1 is set as the second height reference HK2. In this case, the second height reference HK2 is set to the height of the upper end of the nozzle portion 103b that constitutes the lower end of the black ink supply unit 110 and the height of the upper end of the nozzle portion 104b that constitutes the lower end of the non-black ink supply unit 120.

The first liquid level height Lp and the second liquid level height Lq may be set based on this second height reference HK2. In this case, the first liquid level height Lp is the height from the upper end of the black ink supply unit 110 to the liquid level of the black ink in the black ink supply bottle 103 when black ink is being replenished, and the second liquid level height Lq is the height from the upper end of the non-black ink supply unit 120 to the liquid level of the non-black ink in the non-black ink supply bottle 104 when non-black ink is being replenished.

As shown in FIG. 2, in addition to the first height reference HK1 and the second height reference HK2, a third height reference HK3 may be set for the black ink supply unit 110 and the non-black ink supply unit 120. As the third height reference HK3, an arbitrary height between the first height reference HK1 and the second height reference HK2 is set. In this case, the third height reference HK3 is set to an arbitrary height between the upper end and the lower end of the nozzle portion 103b constituting the lower end of the black ink supply unit 110, and an arbitrary height between the upper end and the lower end of the nozzle portion 104b constituting the lower end of the non-black ink supply unit 120. Note that the third height reference HK3 can be set to an arbitrary height between the first height reference HK1 and the second height reference HK2.

The first liquid level height Lp and the second liquid level height Lq may be set based on this third height reference HK3. In this case, the first liquid level height Lp is the height from the middle of the nozzle portion 103b of the black ink supply unit 110 to the liquid level of the black ink in the black ink supply bottle 103 when black ink is being replenished, and the second liquid level height Lq is the height from the middle of the nozzle portion 104b of the non-black ink supply unit 120 to the liquid level of the non-black ink in the non-black ink supply bottle 104 when non-black ink is being replenished.

In the ink supply system 100 configured as described above, the black ink supply bottle 103 and the non-black ink supply bottle 104 have the following in common. That is, as illustrated in FIG. 1, the cross-sectional area D1 of the bottle main body 103a and the cross-sectional area D1 of the bottle main body 104a of the black ink supply bottle 103 and the non-black ink supply bottle 104 are the same or almost the same dimensions. In addition, the cross-sectional area D2 of the tip of the nozzle portion 103b and the cross-sectional area D2 of the tip of the nozzle portion 104b of the black ink supply bottle 103 and the non-black ink supply bottle 104 are the same or almost the same dimensions. In addition, the length D3 of the nozzle portion 103b and the length D3 of the nozzle portion 104b of the black ink supply bottle 103 and the non-black ink supply bottle 104 are the same or almost the same length.

Furthermore, in the ink refill system 100, the black ink refill bottle 103 and the non-black ink refill bottle 104 differ in the following respects. That is, the black ink refill bottle 103 and the non-black ink refill bottle 104 have different lengths D4p and D4q of the bottle main body 103a and 104a, respectively, and in this case, the length D4p of the bottle main body 103a is longer than the length D4q of the bottle main body 104a. Therefore, the content volume of the black ink refill bottle 103, i.e., the amount of black ink contained in the bottle main body 103a, is greater than the content volume of the non-black ink refill bottle 104, i.e., the amount of non-black ink contained in the bottle main body 104a.

According to the ink refill system 100 configured as described above, when refilling black ink into the black ink storage tank 101, the tip portion, i.e., the nozzle portion 103b of the black ink refill bottle 103 is inserted from above into the ink inlet 101a of the black ink storage tank 101. When refilling non-black ink into the non-black ink storage tank 102, the tip portion, i.e., the nozzle portion 104b of the non-black ink refill bottle 104 is inserted from above into the ink inlet 102a of the non-black ink storage tank 102.

The height Lp of the liquid surface of the black ink in the bottle body 103a of the black ink refill bottle 103 when black ink is refilled is higher than the height Lq of the liquid surface of the non-black ink in the bottle body 104a of the non-black ink refill bottle 104 when non-black ink is refilled. Therefore, for example, due to the ink pressure difference, the amount of black ink flowing out per unit time from the bottle body 103a of the black ink refill bottle 103 is greater than the amount of non-black ink flowing out per unit time from the bottle body 104a of the non-black ink refill bottle 104.

As a result, even if the content volume of the bottle body 103a of the black ink refill bottle 103 is made larger than the content volume of the bottle body 104a of the non-black ink refill bottle 104, it is possible to shorten the time required to refill the black ink storage tank 101 with black ink from the black ink refill bottle 103. Therefore, it is possible to prevent the time required to refill the black ink storage tank 101 with black ink from the black ink refill bottle 103 with a larger content volume from increasing.

In this case, the liquid level height Lp can be defined as the height from the final outlet portion where black ink is supplied into the black ink storage tank 101 during the process of black ink being supplied from the bottle body portion 103a of the black ink supply bottle 103 into the black ink storage tank 101, in this case the tip of the nozzle portion 103b, to the liquid level.

In addition, in this case, the liquid level height Lq can be defined as the height from the final outlet portion where non-black ink is supplied into the non-black ink storage tank 102, in this case the tip end of the nozzle portion 104b, during the process in which non-black ink is supplied from the bottle body portion 104a of the non-black ink refill bottle 104 into the non-black ink storage tank 102, to the liquid level.

The above-mentioned black ink replenishment can be defined as an example of a first replenishment, and non-black ink replenishment as an example of a second replenishment. In the ink replenishment system 100, the replenishment of black ink and non-black ink may be performed simultaneously or at different times. According to the ink replenishment system 100, even if the replenishment of black ink and the replenishment of non-black ink are started simultaneously, it is possible to end both replenishments at almost or exactly the same time.

Second Embodiment
3 is configured to include an intermediate nozzle 203b instead of the nozzle portion 103b, and an intermediate nozzle 204b instead of the nozzle portion 104b. The black ink storage tank 101 is defined as an example of a first liquid storage tank and a second-type first liquid storage tank, the non-black ink storage tank 102 is defined as an example of a second liquid storage tank and a second-type second liquid storage tank, the black ink supply bottle 103 is defined as an example of a first liquid supply bottle and a second-type first liquid supply bottle, and the non-black ink supply bottle 104 is defined as an example of a second liquid supply bottle and a second-type second liquid supply bottle.

The tips of intermediate nozzle 203b and intermediate nozzle 204b are not simply openings, but are configured with an ink flow path 230 and an air flow path 240. The ink flow path 230 is an example of a liquid flow path through which ink, which is an example of a liquid, flows. The air flow path 240 is an example of a gas flow path through which air, which is an example of a gas, flows. The ink flow path 230 and the air flow path 240 communicate with the inside and outside of intermediate nozzle 203b and intermediate nozzle 204b.

According to a configuration in which such intermediate nozzles 203b and 204b are provided in the black ink refill bottle 103 and the non-black ink refill bottle 104, when the tips of the intermediate nozzles 203b and 204b are inserted into the ink inlet 101a of the black ink storage tank 101 and the ink inlet 102a of the non-black ink storage tank 102, the ink in the black ink refill bottle 103 and the non-black ink refill bottle 104 flows through the ink flow path 230 into the black ink storage tank 101 and the non-black ink storage tank 102, and accordingly, the air in the black ink storage tank 101 and the non-black ink storage tank 102 flows through the air flow path 240 into the black ink refill bottle 103 and the non-black ink refill bottle 104. That is, the ink in the black ink supply bottle 103 and the non-black ink supply bottle 104 is supplied to the black ink storage tank 101 and the non-black ink storage tank 102 so as to replace the air in the black ink storage tank 101 and the non-black ink storage tank 102.

That is, the ink replenishing method in the ink replenishing system 100 is such that the ink flow path 230 and the air flow path 240 are provided in the black ink replenishing bottle 103, black ink is supplied into the black ink storage tank 101 by gas-liquid substitution, and the ink flow path 230 and the air flow path 240 are provided in the non-black ink replenishing bottle 104, non-black ink is supplied into the non-black ink storage tank 102 by gas-liquid substitution. Note that this ink replenishing method by gas-liquid substitution using the intermediate nozzles 203b, 204b is an example of the second method. Note that the opening areas of the multiple holes in the intermediate nozzles 203b, 204b, i.e., the opening area of the ink flow path 230 and the opening area of the air flow path 240, may be the same or different.

The ink refill system 100 configured as described above is further provided with a black ink supply unit 210 and a non-black ink supply unit 220. The black ink supply unit 210 is an example of a first liquid supply unit and a second-type first liquid supply unit. The non-black ink supply unit 220 is an example of a second liquid supply unit and a second-type second liquid supply unit.

That is, the black ink supply unit 210 is provided at the connection between the black ink refill bottle 103 and the black ink storage tank 101 when refilling black ink by refilling the black ink storage tank 101 with black ink from the black ink refill bottle 103 in an unreplenished state where the black ink storage tank 101 has not been refilled with black ink.

The non-black ink supply unit 220 is provided at the connection between the non-black ink refill bottle 104 and the non-black ink storage tank 102 when refilling non-black ink from the non-black ink refill bottle 104 in an unreplenished state where non-black ink has not been refilled into the non-black ink storage tank 102.

Even in this case, the first liquid level height Lp, which is the height from the black ink supply unit 210 to the liquid level of the black ink in the black ink supply bottle 103 when black ink is replenished, is higher than the second liquid level height Lq, which is the height from the non-black ink supply unit 220 to the liquid level of the non-black ink in the non-black ink supply bottle 104 when non-black ink is replenished. Note that the reference height defining the first liquid level height Lp and the second liquid level height Lq may be the above-mentioned first height reference HK1, i.e., the height of the lower end of the intermediate nozzles 203b, 204b, the second height reference HK2, i.e., the height of the upper end of the intermediate nozzles 203b, 204b, or the third height reference HK3, i.e., the height of any of the intermediate parts of the intermediate nozzles 203b, 204b.

The ink refill system 100 configured as above can also provide the same effect as the first embodiment described above. That is, even if the content volume of the bottle body 103a of the black ink refill bottle 103 is made larger than the content volume of the bottle body 104a of the non-black ink refill bottle 104, it is possible to shorten the time required to refill the black ink storage tank 101 with black ink from the black ink refill bottle 103. Therefore, it is possible to prevent the time required to refill the black ink storage tank 101 with black ink from the black ink refill bottle 103 with a larger content volume from increasing.

Third Embodiment
4 is configured to include a gas-liquid substitution unit 303b instead of the nozzle unit 103b and the intermediate nozzle 203b, and a gas-liquid substitution unit 304b instead of the nozzle unit 104b and the intermediate nozzle 204b. The black ink storage tank 101 is defined as an example of a first liquid storage tank and a third-type first liquid storage tank, the non-black ink storage tank 102 is defined as an example of a second liquid storage tank and a third-type second liquid storage tank, the black ink supply bottle 103 is defined as an example of a first liquid supply bottle and a third-type first liquid supply bottle, and the non-black ink supply bottle 104 is defined as an example of a second liquid supply bottle and a third-type second liquid supply bottle.

The gas-liquid replacement section 303b and the gas-liquid replacement section 304b are configured to include an ink flow path 330 and an air flow path 340. The ink flow path 330 is an example of a liquid flow path through which ink, which is an example of a liquid, flows. The air flow path 340 is an example of a gas flow path through which air, which is an example of a gas, flows. The ink flow path 330 and the air flow path 340 communicate with the inside and outside of the gas-liquid replacement section 303b and the gas-liquid replacement section 304b. The gas-liquid replacement section 303b and the gas-liquid replacement section 304b configured in this manner constitute the ink supply port of the black ink storage tank 101 and the ink supply port of the non-black ink storage tank 102.

According to a configuration in which the black ink storage tank 101 and the non-black ink storage tank 102 are provided with such gas-liquid substitution units 303b and 304b, when the gas-liquid substitution unit 303b of the black ink storage tank 101 and the gas-liquid substitution unit 304b of the non-black ink storage tank 102 are inserted into the tip portions of the black ink supply bottle 103 and the non-black ink supply bottle 104, the ink in the black ink supply bottle 103 and the non-black ink supply bottle 104 flows out through the ink flow path 330 into the black ink storage tank 101 and the non-black ink storage tank 102, and accordingly, the air in the black ink storage tank 101 and the non-black ink storage tank 102 flows out through the air flow path 340 into the black ink supply bottle 103 and the non-black ink supply bottle 104. That is, the ink in the black ink supply bottle 103 and the non-black ink supply bottle 104 is supplied to the black ink storage tank 101 and the non-black ink storage tank 102 so as to replace the air in the black ink storage tank 101 and the non-black ink storage tank 102.

That is, the ink replenishing method in the ink replenishing system 100 is such that the ink flow path 330 and the air flow path 340 are provided in the black ink storage tank 101, and black ink is supplied into the black ink storage tank 101 by gas-liquid substitution, and the ink flow path 330 and the air flow path 340 are provided in the non-black ink storage tank 102, and non-black ink is supplied into the non-black ink storage tank 102 by gas-liquid substitution. This ink replenishing method by gas-liquid substitution using the gas-liquid substitution units 303b and 304b is an example of the third method. The opening areas of the multiple holes in the gas-liquid substitution units 303b and 304b, i.e., the opening area of the ink flow path 330 and the opening area of the air flow path 340, may be the same or different.

The ink refill system 100 configured as described above is further provided with a black ink supply unit 310 and a non-black ink supply unit 320. The black ink supply unit 310 is an example of a first liquid supply unit and a third type first liquid supply unit. The non-black ink supply unit 320 is an example of a second liquid supply unit and a third type second liquid supply unit.

That is, the black ink supply unit 310 is provided at the connection between the black ink refill bottle 103 and the black ink storage tank 101 when refilling black ink by refilling the black ink from the black ink refill bottle 103 in an unreplenished state where the black ink storage tank 101 has not been refilled with black ink.

The non-black ink supply unit 320 is provided at the connection between the non-black ink refill bottle 104 and the non-black ink storage tank 102 when refilling non-black ink from the non-black ink refill bottle 104 in an unreplenished state where non-black ink has not been refilled into the non-black ink storage tank 102.

Even in this case, the first liquid level height Lp, which is the height from the black ink supply unit 310 to the liquid level of the black ink in the black ink supply bottle 103 when black ink is replenished, is higher than the second liquid level height Lq, which is the height from the non-black ink supply unit 320 to the liquid level of the non-black ink in the non-black ink supply bottle 104 when non-black ink is replenished. Note that the reference height defining the first liquid level height Lp and the second liquid level height Lq may be the above-mentioned first height reference HK1, i.e., the height of the lower end of the gas-liquid replacement unit 303b, 304b, the second height reference HK2, i.e., the height of the upper end of the gas-liquid replacement unit 303b, 304b, or the third height reference HK3, i.e., any height of the middle part of the gas-liquid replacement unit 303b, 304b.

The ink refill system 100 configured as above can also provide the same effects as the first or second embodiment described above. That is, even if the content volume of the bottle body 103a of the black ink refill bottle 103 is made larger than the content volume of the bottle body 104a of the non-black ink refill bottle 104, it is possible to shorten the time required to refill the black ink storage tank 101 with black ink from the black ink refill bottle 103. Therefore, it is possible to prevent the time required to refill the black ink storage tank 101 with black ink from the black ink refill bottle 103 with a larger content volume from increasing.

Fourth Embodiment
5 is an example of a liquid supply system, and differs from the first embodiment in the following respects: That is, the black ink supply bottle 103 and the non-black ink supply bottle 104 have different cross-sectional areas D2p and D2q of the tip of the nozzle portion 403b and 404b, respectively, and in this case, the cross-sectional area D2p of the tip of the nozzle portion 403b is longer than the cross-sectional area D2q of the tip of the nozzle portion 404b.

In this embodiment, a black ink supply unit 410 and a non-black ink supply unit 420 are also provided. The black ink supply unit 410 is an example of a first liquid supply unit and a first type first liquid supply unit. The non-black ink supply unit 220 is an example of a second liquid supply unit and a first type second liquid supply unit.

That is, the black ink supply unit 410 is provided at the connection between the black ink refill bottle 103 and the black ink storage tank 101 when refilling black ink by refilling the black ink storage tank 101 with black ink from the black ink refill bottle 103 in an unreplenished state where the black ink storage tank 101 has not been refilled with black ink.

The non-black ink supply unit 420 is provided at the connection between the non-black ink refill bottle 104 and the non-black ink storage tank 102 when refilling non-black ink from the non-black ink refill bottle 104 in an unreplenished state where non-black ink has not been refilled into the non-black ink storage tank 102.

As described above, the cross-sectional area D2p of the tip of the nozzle portion 403b constituting the black ink supply portion 410 is larger than the cross-sectional area D2q of the tip of the nozzle portion 404b constituting the non-black ink supply portion 420. In other words, the opening area of the black ink supply portion 410 is larger than the opening area of the non-black ink supply portion 420.

In addition, like the first embodiment described above, this embodiment also uses a pumping method for replenishing ink.

Even with the ink refill system 100 configured in this manner, the height of the liquid surface Lp of the black ink in the bottle body 103a of the black ink refill bottle 103 when black ink is refilled is higher than the height of the liquid surface Lq of the non-black ink in the bottle body 104a of the non-black ink refill bottle 104 when non-black ink is refilled. Furthermore, since the cross-sectional area D2p of the tip of the nozzle portion 403b is larger than the cross-sectional area D2q of the tip of the nozzle portion 404b, the amount of black ink flowing out per unit time from the bottle body 103a of the black ink refill bottle 103 is larger than the amount of non-black ink flowing out per unit time from the bottle body 104a of the non-black ink refill bottle 104.

Therefore, even if the content volume of the bottle body 103a of the black ink refill bottle 103 is made larger than the content volume of the bottle body 104a of the non-black ink refill bottle 104, it is possible to shorten the time required to refill the black ink storage tank 101 with black ink from the black ink refill bottle 103. Therefore, it is possible to prevent the time required to refill the black ink storage tank 101 with black ink from the black ink refill bottle 103 with a larger content volume from increasing.

Fifth Embodiment
6 is configured to include an intermediate nozzle 503b instead of the nozzle portion 403b, and an intermediate nozzle 504b instead of the nozzle portion 404b. The black ink storage tank 101 is defined as an example of a first liquid storage tank and a second-type first liquid storage tank, the non-black ink storage tank 102 is defined as an example of a second liquid storage tank and a second-type second liquid storage tank, the black ink supply bottle 103 is defined as an example of a first liquid supply bottle and a second-type first liquid supply bottle, and the non-black ink supply bottle 104 is defined as an example of a second liquid supply bottle and a second-type second liquid supply bottle.

The tips of intermediate nozzle 503b and intermediate nozzle 304b are not simply openings, but are configured with an ink flow path 530 and an air flow path 540. The ink flow path 530 is an example of a liquid flow path through which ink, which is an example of a liquid, flows. The air flow path 540 is an example of a gas flow path through which air, which is an example of a gas, flows. The ink flow path 530 and the air flow path 540 communicate with the inside and outside of intermediate nozzle 503b and intermediate nozzle 504b.

In addition, the cross-sectional area D2p of the tip of the intermediate nozzle 503b and the cross-sectional area D2q of the tip of the intermediate nozzle 504b are different between the black ink supply bottle 103 and the non-black ink supply bottle 104, and in this case, the cross-sectional area D2p of the tip of the intermediate nozzle 503b is longer than the cross-sectional area D2q of the tip of the intermediate nozzle 504b.

In this embodiment, a black ink supply unit 510 and a non-black ink supply unit 520 are also provided. The black ink supply unit 510 is an example of a first liquid supply unit and a second-type first liquid supply unit. The non-black ink supply unit 520 is an example of a second liquid supply unit and a second-type second liquid supply unit.

That is, the black ink supply unit 510 is provided at the connection between the black ink refill bottle 103 and the black ink storage tank 101 when refilling black ink by refilling the black ink storage tank 101 with black ink from the black ink refill bottle 103 in an unreplenished state where the black ink storage tank 101 has not been refilled with black ink.

The non-black ink supply unit 520 is provided at the connection between the non-black ink refill bottle 104 and the non-black ink storage tank 102 when refilling non-black ink from the non-black ink refill bottle 104 in an unreplenished state where non-black ink has not been refilled into the non-black ink storage tank 102.

As described above, the cross-sectional area D2p of the tip of the nozzle portion 403b constituting the black ink supply unit 510 is larger than the cross-sectional area D2q of the tip of the nozzle portion 404b constituting the non-black ink supply unit 520. In other words, the opening area of the black ink supply unit 510 is larger than the opening area of the non-black ink supply unit 520.

In addition, in this embodiment, as in the second embodiment described above, the ink is replenished by gas-liquid replacement using intermediate nozzles 503b and 504b.

The ink refill system 100 configured as above can also achieve the same effect as the second embodiment described above. That is, even if the content volume of the bottle body 103a of the black ink refill bottle 103 is made larger than the content volume of the bottle body 104a of the non-black ink refill bottle 104, it is possible to shorten the time required to refill the black ink storage tank 101 with black ink from the black ink refill bottle 103. Therefore, it is possible to prevent the time required to refill the black ink storage tank 101 with black ink from the black ink refill bottle 103 with a larger content volume from increasing.

Sixth Embodiment
7 is configured to include a gas-liquid substitution unit 603b instead of the nozzle unit 403b and the intermediate nozzle 503b, and a gas-liquid substitution unit 604b instead of the nozzle unit 404b and the intermediate nozzle 504b. The black ink storage tank 101 is defined as an example of a first liquid storage tank and a third type first liquid storage tank, the non-black ink storage tank 102 is defined as an example of a second liquid storage tank and a third type second liquid storage tank, the black ink supply bottle 103 is defined as an example of a first liquid supply bottle and a third type first liquid supply bottle, and the non-black ink supply bottle 104 is defined as an example of a second liquid supply bottle and a third type second liquid supply bottle.

The gas-liquid replacement unit 603b and the gas-liquid replacement unit 604b are configured to include an ink flow path 630 and an air flow path 640. The ink flow path 630 is an example of a liquid flow path through which ink, which is an example of a liquid, flows. The air flow path 640 is an example of a gas flow path through which air, which is an example of a gas, flows. The ink flow path 630 and the air flow path 640 communicate with the inside and outside of the gas-liquid replacement unit 603b and the gas-liquid replacement unit 604b. The gas-liquid replacement unit 603b and the gas-liquid replacement unit 604b configured in this manner constitute the ink supply port of the black ink storage tank 101 and the ink supply port of the non-black ink storage tank 102.

In addition, the cross-sectional area D2p of the tip of the gas-liquid replacement section 603b and the cross-sectional area D2q of the tip of the gas-liquid replacement section 604b are different in the black ink replacement bottle 103 and the non-black ink replacement bottle 104, and in this case, the cross-sectional area D2p of the tip of the gas-liquid replacement section 603b is longer than the cross-sectional area D2q of the tip of the gas-liquid replacement section 604b.

In this embodiment, a black ink supply unit 610 and a non-black ink supply unit 620 are also provided. The black ink supply unit 610 is an example of a first liquid supply unit and a third type first liquid supply unit. The non-black ink supply unit 620 is an example of a second liquid supply unit and a third type second liquid supply unit.

That is, the black ink supply unit 610 is provided at the connection between the black ink refill bottle 103 and the black ink storage tank 101 when refilling black ink by refilling the black ink storage tank 101 with black ink from the black ink refill bottle 103 in an unreplenished state where the black ink storage tank 101 has not been refilled with black ink.

The non-black ink supply unit 620 is provided at the connection between the non-black ink refill bottle 104 and the non-black ink storage tank 102 when refilling non-black ink from the non-black ink refill bottle 104 in an unreplenished state where non-black ink has not been refilled into the non-black ink storage tank 102.

As described above, the cross-sectional area D2p of the tip of the gas-liquid replacement section 603b that constitutes the black ink supply section 610 is larger than the cross-sectional area D2q of the tip of the gas-liquid replacement section 604b that constitutes the non-black ink supply section 620. In other words, the opening area of the black ink supply section 610 is larger than the opening area of the non-black ink supply section 620.

In this embodiment, as in the third embodiment, the ink is replenished by gas-liquid replacement using the gas-liquid replacement units 603b and 604b. The opening areas of the holes in the gas-liquid replacement units 603b and 604b, i.e., the opening area of the ink flow path 630 and the opening area of the air flow path 640, may be the same or different.

The ink refill system 100 configured as above can also provide the same effects as the fourth or fifth embodiment described above. That is, even if the content volume of the bottle body 103a of the black ink refill bottle 103 is made larger than the content volume of the bottle body 104a of the non-black ink refill bottle 104, it is possible to shorten the time required to refill the black ink storage tank 101 with black ink from the black ink refill bottle 103. Therefore, it is possible to prevent the time required to refill the black ink storage tank 101 with black ink from the black ink refill bottle 103 with a larger content volume from increasing.

Other Embodiments
The present disclosure is not limited to the above-described embodiments, and various modifications and extensions are possible without departing from the spirit and scope of the present disclosure.

8, the ink supply system 100 may be further configured such that the cross-sectional area D1p of the bottle main body 103a is longer than the cross-sectional area D1q of the bottle main body 104a. With this configuration, the capacity of the bottle main body 103a of the black ink supply bottle 103 can be further increased. Even if the capacity of the bottle main body 103a of the black ink supply bottle 103 is further increased, it is possible to sufficiently shorten the time required to supply black ink from the black ink supply bottle 103 to the black ink storage tank 101, and it is possible to prevent the time required to supply black ink from the black ink supply bottle 103 with the increased capacity to the black ink storage tank 101 from becoming longer. Although an example in which the dimensions of each part are compared based on the "cross-sectional area" has been shown, the dimensions of each part may be compared based on, for example, the "diameter dimension". In addition, in the ink supply system 100 illustrated in FIG. 8, the length D4 of the bottle main body 103a may be further longer than the length D4 of the bottle main body 104a.

As illustrated in Figures 9, 10, and 11, in the first, second, and third embodiments described above, the openings at the bottom ends of the black ink supply units 110, 210, and 310 and the openings at the bottom ends of the non-black ink supply units 120, 220, and 320 may be configured to gradually widen downward. Figures 12, 13, and 14 show schematic examples of a state in which the liquid supply bottle is separated from the liquid storage tank.

Also, as illustrated in FIG. 15, the first height reference HK1 is set at the uppermost end of the widening portion of the opening at the lower end, the second height reference HK2 is set at the lowermost end of the widening portion of the opening at the lower end, and the third height reference HK3 can be set to any height between the first height reference HK1 and the second height reference HK2.

The configuration examples illustrated in Figures 9 to 15 can also be applied to the configuration examples of the fourth, fifth, and sixth embodiments.

The liquid supply system may be configured to insert the liquid supply bottle in an inclined state into the liquid storage tank. The liquid supply system is not limited to inkjet printers, and may be provided in other devices that consume liquid. The ink to be increased in volume is not limited to black ink, but may be, for example, cyan ink, magenta ink, or yellow ink. The ink supply system may be configured to increase the volume of ink supply bottles for two or more types of ink, for example, black ink, cyan ink, magenta ink, and yellow ink, more than the volume of ink supply bottles for the other inks. The liquid is not limited to ink, but may be other liquids. The liquid supply system may be configured in a variety of ways, not limited to the above-mentioned embodiments, so long as the height of the liquid level of the first liquid in the first liquid supply bottle at the time of the first supply is higher than the height of the liquid level of the second liquid in the second liquid supply bottle at the time of the second supply.

100: liquid supply system, 101: black ink storage tank (first liquid storage tank, first type first liquid storage tank, second type first liquid storage tank, third type first liquid storage tank), 102: non-black ink storage tank (second liquid storage tank, first type second liquid storage tank, second type second liquid storage tank, third type second liquid storage tank), 103: black ink supply bottle (liquid supply bottle, first liquid supply bottle, first type first liquid supply bottle, second type first liquid supply bottle, third type first liquid supply bottle), 104: non-black ink supply bottle (liquid supply bottle, second liquid supply bottle, first type second liquid supply bottle, type second liquid supply bottle, type third second liquid supply bottle), 110, 210, 310, 410, 510, 610: black ink supply unit (first liquid supply unit, type first liquid supply unit, type second first liquid supply unit, type third first liquid supply unit), 120, 220, 320, 420, 520, 620: non-black ink supply unit (second liquid supply unit, type first second liquid supply unit, type second second liquid supply unit, type third second liquid supply unit), 230, 330, 530, 630: ink flow path (liquid flow path), 240, 340, 540, 640: air flow path (gas flow path), BS: liquid supply bottle set

Claims (12)

a first liquid storage tank in which a first liquid is stored;
a second liquid storage tank in which a second liquid is stored;
a first liquid supply bottle for supplying the first liquid into the first liquid storage tank;
a second liquid supply bottle for supplying the second liquid into the second liquid storage tank;
a first liquid supply unit provided at a connection portion between the first liquid supply bottle and the first liquid storage tank during a first supply of the first liquid from the first liquid supply bottle in an unsupplied state in which the first liquid has not been supplied into the first liquid storage tank;
a second liquid supply unit provided at a connection portion between the second liquid supply bottle and the second liquid storage tank during a second supply of the second liquid from the second liquid supply bottle in an unsupplied state in which the second liquid has not been supplied into the second liquid storage tank;
A liquid refill system comprising:
the first liquid supply unit is provided in the first liquid supply bottle,
the second liquid supply unit is provided in the second liquid supply bottle,
The first liquid supply bottle has a capacity for holding the first liquid that is greater than a capacity for holding the second liquid in the second liquid supply bottle,
an opening area of a tip of the first liquid supply portion is larger than an opening area of a tip of the second liquid supply portion;
the first liquid storage tank and the second liquid storage tank are tanks to which liquid is supplied in a second manner,
the first liquid supply bottle and the second liquid supply bottle are bottles that supply liquid in a second manner,
the first liquid supply bottle supplies liquid in a second manner;
the second liquid supply bottle supplies liquid in a second manner;
The second method is a liquid supply system characterized in that a liquid flow path through which liquid flows and a gas flow path through which gas flows are provided in the first liquid supply bottle, the first liquid is supplied into the first liquid storage tank by gas-liquid substitution, and a liquid flow path through which liquid flows and a gas flow path through which gas flows are provided in the second liquid supply bottle, the second liquid is supplied into the second liquid storage tank by gas-liquid substitution. a first liquid storage tank in which a first liquid is stored;
a second liquid storage tank in which a second liquid is stored;
a first liquid supply bottle for supplying the first liquid into the first liquid storage tank;
a second liquid supply bottle for supplying the second liquid into the second liquid storage tank;
a first liquid supply unit provided at a connection portion between the first liquid supply bottle and the first liquid storage tank during a first supply of the first liquid from the first liquid supply bottle in an unsupplied state in which the first liquid has not been supplied into the first liquid storage tank;
a second liquid supply unit provided at a connection portion between the second liquid supply bottle and the second liquid storage tank during a second supply of the second liquid from the second liquid supply bottle in an unsupplied state in which the second liquid has not been supplied into the second liquid storage tank;
A liquid refill system comprising:
the first liquid storage tank and the second liquid storage tank are tanks to which liquid is supplied by a third method,
the first liquid supply bottle and the second liquid supply bottle are bottles that supply liquid in a third manner,
the first liquid supply unit is provided in the first liquid storage tank to which liquid is supplied in a third manner,
the second liquid supply unit is provided in the second liquid storage tank to which liquid is supplied in a third manner,
The third method is a method in which a liquid flow path through which a liquid flows and a gas flow path through which a gas flows are provided in the first liquid storage tank, and the first liquid is supplied into the first liquid storage tank by gas-liquid substitution, and a liquid flow path through which a liquid flows and a gas flow path through which a gas flows are provided in the second liquid storage tank, and the second liquid is supplied into the second liquid storage tank by gas-liquid substitution,
The first liquid supply bottle has a capacity for holding the first liquid that is greater than a capacity for holding the second liquid in the second liquid supply bottle,
A liquid replenishing system, characterized in that an opening area of a tip of the first liquid supply part including the liquid flow path and the gas flow path is larger than an opening area of a tip of the second liquid supply part including the liquid flow path and the gas flow path. a first height reference is set for the first liquid supply unit and the second liquid supply unit,
3. The liquid supply system according to claim 1, wherein an opening area of the first liquid supply portion at the first height reference is larger than an opening area of the second liquid supply portion at the first height reference. a first height reference and a second height reference different from the first height reference are set for the first liquid supply unit and the second liquid supply unit,
3. The liquid supply system according to claim 1, wherein an opening area of the first liquid supply portion at the second height reference is larger than an opening area of the second liquid supply portion at the second height reference. a first height reference, a second height reference different from the first height reference, and a third height reference that is a height between the first height reference and the second height reference are set for the first liquid supply unit and the second liquid supply unit,
3. The liquid supply system according to claim 1, wherein an opening area of the first liquid supply portion at the third height reference is larger than an opening area of the second liquid supply portion at the third height reference. A liquid supply system according to any one of claims 3 to 5, characterized in that the first height reference is set at a portion of the first liquid supply section that has the narrowest opening area and at a portion of the second liquid supply section that has the narrowest opening area. 6. The liquid supply system according to claim 4 , wherein the first height reference is set at a lower end of an opening of the first liquid supply portion and a lower end of an opening of the second liquid supply portion. The liquid replenishing system according to claim 5 , wherein the third height reference is set at a portion where the first liquid flows out from the first liquid supply portion and at a portion where the second liquid flows out from the second liquid supply portion. 9. The liquid supply system according to claim 1 , wherein the first liquid supply section has a plurality of holes having different opening areas. A liquid supply system as described in any one of claims 1 to 9, characterized in that a first liquid level height, which is a height from the first liquid supply unit to a liquid level of the first liquid in the first liquid supply bottle during the first supply, is higher than a second liquid level height, which is a height from the second liquid supply unit to a liquid level of the second liquid in the second liquid supply bottle during the second supply. a first liquid storage tank in which a first liquid is stored;
a second liquid storage tank in which a second liquid is stored;
a first liquid supply bottle for supplying the first liquid into the first liquid storage tank;
a second liquid supply bottle for supplying the second liquid into the second liquid storage tank;
a first liquid supply unit provided at a connection portion between the first liquid supply bottle and the first liquid storage tank during a first supply of the first liquid from the first liquid supply bottle in an unsupplied state in which the first liquid has not been supplied into the first liquid storage tank;
a second liquid supply unit provided at a connection portion between the second liquid supply bottle and the second liquid storage tank during a second supply of the second liquid from the second liquid supply bottle in an unsupplied state in which the second liquid has not been supplied into the second liquid storage tank;
A liquid refill system comprising:
the first liquid supply unit is provided in the first liquid supply bottle,
the second liquid supply unit is provided in the second liquid supply bottle,
The first liquid supply bottle has a capacity for holding the first liquid that is greater than a capacity for holding the second liquid in the second liquid supply bottle,
an opening area of a tip of the first liquid supply portion is larger than an opening area of a tip of the second liquid supply portion;
A liquid replenishing system , wherein the first liquid supply section has a plurality of holes having different opening areas . a first liquid supply bottle for supplying the first liquid into the first liquid storage tank;
a second liquid supply bottle for supplying the second liquid to the second liquid storage tank;
a first liquid supply unit provided at a connection portion between the first liquid supply bottle and the first liquid storage tank during a first supply of the first liquid from the first liquid supply bottle in an unsupplied state in which the first liquid has not been supplied into the first liquid storage tank;
a second liquid supply unit provided at a connection portion between the second liquid supply bottle and the second liquid storage tank during a second supply of the second liquid from the second liquid supply bottle in an unsupplied state in which the second liquid has not been supplied into the second liquid storage tank;
A liquid supply bottle set comprising:
the first liquid supply unit is provided in the first liquid supply bottle,
the second liquid supply unit is provided in the second liquid supply bottle,
The first liquid supply bottle has a capacity for holding the first liquid that is greater than a capacity for holding the second liquid in the second liquid supply bottle,
an opening area of a tip of the first liquid supply portion is larger than an opening area of a tip of the second liquid supply portion;
the first liquid storage tank and the second liquid storage tank are tanks to which liquid is supplied in a second manner,
the first liquid supply bottle and the second liquid supply bottle are bottles that supply liquid in a second manner,
the first liquid supply bottle supplies liquid in a second manner;
the second liquid supply bottle supplies liquid in a second manner;
The second method is a liquid supply bottle set characterized in that a liquid flow path through which liquid flows and a gas flow path through which gas flows are provided in the first liquid supply bottle, and the first liquid is supplied into the first liquid storage tank by gas-liquid substitution, and a liquid flow path through which liquid flows and a gas flow path through which gas flows are provided in the second liquid supply bottle, and the second liquid is supplied into the second liquid storage tank by gas-liquid substitution.