A fixing device includes a heating source; a heating member heated by the heating source; a pressing member contacting the heating member to form a fixing nip therebetween, at which an unfixed image of toner on a recording sheet is fixed to the recording sheet; a first charging member located at an entrance of the fixing device, from which the recording sheet bearing the unfixed toner image enters the fixing device, so as to face the unfixed toner image. The first charging member is not contacted with the heating member and pressing member, and has a charge with a polarity opposite to a polarity of a charge of the toner to collect floating particles of the toner.