In a fixing device, at least one separator is provided downstream from a fixing nip formed between a fixing rotary member and a pressing rotary member in a recording medium conveyance direction to contact the fixing rotary member to separate a recording medium having passed through the fixing nip from the fixing rotary member. A feeler is provided upstream from the fixing nip in the recording medium conveyance direction and contacted by the recording medium conveyed toward the fixing nip to receive a pushing force from the recording medium. A transmission assembly is connected between the feeler and the separator to receive and transmit the pushing force to the separator to move the separator from a non-contact position at which the separator does not contact the fixing rotary member to a contact position at which the separator contacts the fixing rotary member.