A liquid consuming system includes: an installation case configured to receive a cartridge having a first liquid chamber storing a liquid; a tank including 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 first communication interface; and a controller system configured to: determine a residual amount including at least an amount of liquid in the second liquid chamber of the tank; determine whether the determined residual amount reaches a predetermined amount; and based on determining that the determined residual amount reaches the predetermined amount, transmit first information through the first communication interface, the first information indicating an order instruction of the cartridge.