A cleaning device used for removing toner particles remaining on an image bearing member, including a plurality of brush rollers capable of coming into contact with the image bearing member, the brush rollers being disposed around the image bearing member in a row in a direction in which the image bearing member is moved, wherein one of the brush rollers includes brush fibers each containing a conductive agent dispersed homogeneously therein or only in its surface layer, wherein another brush roller includes oblique brush fibers, looped brush fibers, or both of them, each brush fiber containing the conductive agent localized in a center portion thereof without being dispersed in its surface layer, and wherein the oblique brush fibers are obliquely provided in the another brush roller so that tip portions thereof are curled on the image bearing member in a direction in which the image bearing member is moved.