Cleaning device and image forming apparatus

A cleaning device comprising:

• a cleaning member that is disposed so as to be movable along a length direction of, and in contact with, a discharge member of a charging device and cleans the discharge member;
• a guide member that is disposed along the length direction of the discharge member and guides the cleaning member in the length direction of the discharge member;
• and
• a drive device which, when executing a cleaning operation where the drive device reciprocally moves the cleaning member along the guide member from a standby position set on one length direction end portion of the discharge member or a return operation where the drive device returns the cleaning member along the guide member to the standby position, applies to the cleaning member, resting at the standby position, a driving force in an opposite direction of a moving direction in which movement of the cleaning member is to be started and thereafter applies to the cleaning member a driving force in the moving direction.