The ornamental design for a copyingmachine, as shown and described.
FIG. 1 is a front, top, and left side perspective view of a copying machine;
FIG. 2 is a front, top, and right side perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a right side elevational view thereof; and,
FIG. 8 is a left side elevational view thereof.
The broken lines shown in the figures are for the purpose of illustrating portions of the copying machine that form no part of the claimed design. The dot-dash lines shown in the figures represent a boundary line that forms no part of the claimed design.