The ornamental design for an imprinter for a scanner, as shown and described.
FIG. 1 is a front perspective view of an imprinter for a scanner showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is another perspective view of the imprinter for a scanner combined with the scanner.
The broken lines in the drawings are for the purpose of illustrating unclaimed portions of the imprinter for a scanner and form no part of the claimed design.