The ornamental design for a printer, as shown and described.
FIG. 1 is a top plan view of a printer showing my new design;
FIG. 2 is a right-side elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a rear perspective view thereof;
FIG. 5 is a left-side elevational view thereof;
FIG. 6 is a front elevational view thereof;
FIG. 7 is a front and right side perspective view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines immediately adjacent to the claim depict the bounds of the claimed design, while all other broken lines are directed to environment. The broken lines form no part of the claimed design.
The wire frame lines shown throughout the views indicate surface contour.