FIG. 1 is a front isometric view of a head portion of a scanner showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is the rear elevational view of FIG. 3 showing a portion of a hilt removed;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a left side elevational view thereof, the right side elevational view being a mirror image thereof.

The broken lines in the figures are for illustrative purposes only and form no part of the claimed design.