adjusting {HEAD ~ a formation position} of the latent image based on the results of {TAIL ~ the detection}, 
adjusting { HEAD ~ a formation position } of the latent image based on the results of { TAIL ~ the detection } ,
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH