Image forming apparatus including polishing roller

An image forming apparatus comprising:

• a cleaning portion configured to remove toner that has stuck to a surface of an image carrier;
• a polishing roller that is rotatable while being in contact with the image carrier;
• a guide portion disposed with a gap having a predetermined width from an outer circumferential surface of the polishing roller, and configured to guide the toner removed by the cleaning portion to pass below the outer circumferential surface of the polishing roller;
• opening portions each formed in a predetermined size at a position below the outer circumferential surface of the polishing roller in the guide portion;
• and
• a housing including a wall surface that defines, together with an end of the guide portion in a rotation direction of the polishing roller, a falling path through which the toner falls from the end, the housing storing the cleaning portion and the polishing roller,
• wherein the end of the guide portion in the rotation direction of the polishing roller is positioned below a shaft of the polishing roller.