FIG. 1 is a front elevation of a printer ink cartridge according to the present invention;
FIG. 2 is a rear elevation thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a left side elevation view thereof; and,
FIG. 7 is a top, front and right side perspective view thereof.