A liquid consuming device comprising: a replaceable cartridge, the cartridge comprising a first liquid chamber storing a liquid; an installation case configured to receive the cartridge, a tank comprising a second liquid chamber; a flow path configured to communicate with the second liquid chamber and the first liquid chamber of the cartridge installed in the installation case; a head communicated with the second liquid chamber; a liquid level sensor; a first communication interface; a first controller; a RAM, provided in the first controller which is configured to: receive, from the liquid level sensor, a signal in a case the position of a liquid level in the second liquid chamber of the tank is lower than a predetermined position; determine a total amount Vt of a first liquid amount and a second liquid amount, the first liquid amount being liquid amount in the first liquid chamber that is installed in the installation case to communicate with the second liquid chamber through the flow path, the second liquid amount being liquid amount in the second liquid chamber that communicates with the first liquid chamber of the cartridge installed in the installation case through the flow path (S65 / S76); store the second liquid amount in the RAM, characterized in that the replaceable cartridge comprises an IC chip for storing data, and the first controller is configured to: store the first liquid amount on the IC chip and the RAM, and transmit, through the first communication interface that is connected to an external device, total amount information, the total amount information indicating the determined total amount Vt, and liquid level information, the liquid level information corresponding to the received signal. a replaceable cartridge, the cartridge comprising a first liquid chamber storing a liquid; an installation case configured to receive the cartridge, a tank comprising a second liquid chamber; a flow path configured to communicate with the second liquid chamber and the first liquid chamber of the cartridge installed in the installation case; a head communicated with the second liquid chamber; a liquid level sensor; a first communication interface; a first controller; a RAM, provided in the first controller which is configured to: receive, from the liquid level sensor, a signal in a case the position of a liquid level in the second liquid chamber of the tank is lower than a predetermined position; determine a total amount Vt of a first liquid amount and a second liquid amount, the first liquid amount being liquid amount in the first liquid chamber that is installed in the installation case to communicate with the second liquid chamber through the flow path, the second liquid amount being liquid amount in the second liquid chamber that communicates with the first liquid chamber of the cartridge installed in the installation case through the flow path (S65 / S76); store the second liquid amount in the RAM, characterized in that the replaceable cartridge comprises an IC chip for storing data, and the first controller is configured to: store the first liquid amount on the IC chip and the RAM, and transmit, through the first communication interface that is connected to an external device, total amount information, the total amount information indicating the determined total amount Vt, and liquid level information, the liquid level information corresponding to the received signal. receive, from the liquid level sensor, a signal in a case the position of a liquid level in the second liquid chamber of the tank is lower than a predetermined position; determine a total amount Vt of a first liquid amount and a second liquid amount, the first liquid amount being liquid amount in the first liquid chamber that is installed in the installation case to communicate with the second liquid chamber through the flow path, the second liquid amount being liquid amount in the second liquid chamber that communicates with the first liquid chamber of the cartridge installed in the installation case through the flow path (S65 / S76); store the second liquid amount in the RAM, characterized in that the replaceable cartridge comprises an IC chip for storing data, and the first controller is configured to: store the first liquid amount on the IC chip and the RAM, and transmit, through the first communication interface that is connected to an external device, total amount information, the total amount information indicating the determined total amount Vt, and liquid level information, the liquid level information corresponding to the received signal. store the first liquid amount on the IC chip and the RAM, and transmit, through the first communication interface that is connected to an external device, total amount information, the total amount information indicating the determined total amount Vt, and liquid level information, the liquid level information corresponding to the received signal.