FIG. 1 is a front view of an image forming apparatus showing our new design; FIG. 2 is a rear view thereof; FIG. 3 is a top plan view thereof; FIG. 4 is a bottom plan view thereof; FIG. 5 is a left side view thereof; FIG. 6 is a right side view thereof; FIG. 7 is a perspective view as viewed from top thereof; and, FIG. 8 is a perspective view as viewed from bottom thereof.