Patent ID: 8678573

Claim:
A printing fluid cartridge comprising: a front side; a rear side positioned opposite the front side with respect to a front-rear direction; an upper side; a lower side positioned opposite the upper side with respect to an up-down direction which is perpendicular to the front-rear direction; a tubular fluid supply portion positioned at the lower side of the front side; a pivotable member configured to pivot about a pivot point and comprising an end portion, wherein the pivot point is positioned at the upper side and the end portion is positioned at the rear side; a light attenuating portion protruding from the upper side of the front side and configured to attenuate light traveling in a left-right direction which is perpendicular to the front-rear direction and the up-down direction; and an electrical interface positioned between the pivotable member and the light attenuating portion with respect to the front-rear direction and comprising a surface extending in the front-rear direction and the left-right direction, wherein an upper end of the light attenuating portion is positioned below the electrical interface with respect to the up-down direction.