{HEAD ~ A developer image} that is not to be transferred onto the transfer material is formed only onto {TAIL ~ one image bearing member} disposed downstream in the movement direction of the transfer material bearing and conveying member among the plurality of image bearing members 
is formed only onto
{ HEAD ~ A developer image } that is not to be transferred onto the transfer material is formed only onto { TAIL ~ one image bearing member } disposed downstream in the movement direction of the transfer material bearing and conveying member among the plurality of image bearing members
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH