The ornamental design for a printer, as shown and described.
FIG. 1 is a front view of a printer showing our new design;
FIG. 2 is a back view of the printer shown in FIG. 1;
FIG. 3 is a right view of the printer shown in FIG. 1;
FIG. 4 is a left view of the printer shown in FIG. 1;
FIG. 5 is a top view of the printer shown in FIG. 1;
FIG. 6 is a bottom view of the printer shown in FIG. 1; and,
FIG. 7 is a perspective view of the printer shown in FIG. 1.
The broken lines immediately adjacent to the shaded areas, represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.