a heat roller which provides heat for {TAIL ~ the sheet} having {HEAD ~ the image} formed thereon 
a heat roller which provides heat for { TAIL ~ the sheet } having { HEAD ~ the image } formed thereon
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH