A liquid consuming apparatus configured to consume liquid comprising: a liquid consuming section; a tank including a liquid storage chamber configured to store the liquid which is to be consumed by the liquid consuming section, and an inlet port configured to allow the liquid to be poured into the liquid storage chamber; a cap configured to be detachably installable in the inlet port to open/close the inlet port, the cap including an outer surface which is configured to intersect with an opening central line of an opening of the inlet port and to face outside of the tank under a condition that the cap is installed in the inlet port; and a casing including a cover configured to be movable with respect to the tank between a closed position at which the cover covers an inlet surface of the tank formed with the inlet port, and an open positon at which the cover is released to allow the inlet surface to be exposed, the casing being configured to accommodate the liquid consuming section, the tank, and the cap therein, wherein the cover includes an inner surface configured to face the inlet surface, and a projection projected from the inner surface toward the tank; the projection of the cover includes a pressing portion configured to face the outer surface of the cap at a predetermined spacing distance in a direction parallel to an insertion direction, in which the cap is inserted into the inlet port, under a condition that the liquid consuming apparatus is in a normal state in which the cover is in the closed position and that the cap is installed in the inlet port, and the pressing portion is configured to abut firstly against the outer surface, among other portion of the cap different from the outer surface, under a condition that the cap is moved, in the liquid consuming apparatus in the normal state, in the insertion direction for allowing the cap to be removed from the inlet port. a liquid consuming section; a tank including a liquid storage chamber configured to store the liquid which is to be consumed by the liquid consuming section, and an inlet port configured to allow the liquid to be poured into the liquid storage chamber; a cap configured to be detachably installable in the inlet port to open/close the inlet port, the cap including an outer surface which is configured to intersect with an opening central line of an opening of the inlet port and to face outside of the tank under a condition that the cap is installed in the inlet port; and a casing including a cover configured to be movable with respect to the tank between a closed position at which the cover covers an inlet surface of the tank formed with the inlet port, and an open positon at which the cover is released to allow the inlet surface to be exposed, the casing being configured to accommodate the liquid consuming section, the tank, and the cap therein, wherein the cover includes an inner surface configured to face the inlet surface, and a projection projected from the inner surface toward the tank; the projection of the cover includes a pressing portion configured to face the outer surface of the cap at a predetermined spacing distance in a direction parallel to an insertion direction, in which the cap is inserted into the inlet port, under a condition that the liquid consuming apparatus is in a normal state in which the cover is in the closed position and that the cap is installed in the inlet port, and the pressing portion is configured to abut firstly against the outer surface, among other portion of the cap different from the outer surface, under a condition that the cap is moved, in the liquid consuming apparatus in the normal state, in the insertion direction for allowing the cap to be removed from the inlet port.