Retrographic sensor cartridge

FIG. 1 is a top perspective view of a design for a retrographic sensor cartridge;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a bottom perspective view thereof.

Any broken lines showing portions of the design are for illustrative purposes or to show environmental structure or boundaries that form no part of the claimed design.