Tank

A tank configured to store a liquid to be supplied to a liquid discharging section, the tank comprising:

• a liquid storage chamber configured to store the liquid;
• an outer wall having an inner surface facing the liquid storage chamber and an outer surface facing outside of the tank;
• a cylindrical wall having a cylindrical shape and extending from the outer wall in a first direction;
• an inlet port penetrating through the outer wall and the cylindrical wall in the first direction, and communicating the liquid storage chamber with the outside of the tank;
• an outlet port penetrating through the outer wall and communicating the liquid storage chamber with the outside of the tank;
• and
• a cap configured to be detachably installable in the inlet port, the cap including:
• a seal portion configured to contact an inner circumferential surface of the cylindrical wall defining the inlet port or an inner circumferential surface of the outer wall defining the inlet port, or contact an end surface of the cylindrical wall exposed to the outside of the tank, in a state that the cap is installed in the inlet port;
• and
• a plurality of stoppers provided on the cap while being spaced from each other in a circumferential direction, of the cap, of which center is the first direction in the state that the cap is installed in the inlet port, each of the plurality of stoppers having an abutting surface configured to contact the tank toward the first direction under a condition that the cap is being moved toward the first direction from the state of being installed in the inlet port.