I claim the ornamental design for a paint roller cleaner, as shown and described.
FIG. 1 is a perspective view of a paint roller cleaner, illustrated in a closed position, showing my new design;
FIG. 2 is a perspective view thereof, illustrated in an open position;
FIG. 3 is a front elevational view of the paint roller cleaner in closed position;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right-side elevational view thereof;
FIG. 6 is a left-side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines showing a paint roller in FIGS. 1 and 2 are included for the purpose of illustrating the invention in use, and form no part of the claimed design.