a belt cleaning device includes a cleaning part positioned to be capable of being in contact with a surface of a belt , the cleaning part having a bias voltage and including a cleaning roller , and a metal roller . a scraping member is in contact with surface of the metal roller of the cleaning part . a conductive holding member holds the scraping member . a conductive member is disposed proximate to the cleaning part . a same potential keeping part includes at least a first connection member which is configured to electrically connect the cleaning part and the conductive holding member and to electrically connect the conductive holding member and the metal roller , and keeps the conductive member and the cleaning part at approximately the same potential .