We claim the ornamental design for a printer, as shown and described.
FIG. 1 is a top perspective view of one example of an embodiment of a design for a printer;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left end elevational view thereof;
FIG. 5 is a right end elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a front perspective view of the printer of FIG. 1 illustrating the printer in an open state;
FIG. 9 is a left end elevational view of the printer of FIG. 1 in the open state; and,
FIG. 10 is a front elevational view of the printer in the open state.
The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.