After the copying step has been finished, {HEAD ~ the document} is conveyed, by {TAIL ~ the conveying belt mechanism} 36, toward the paper discharging unit 14 
After the copying step has been finished , { HEAD ~ the document } is conveyed , by { TAIL ~ the conveying belt mechanism } 36 , toward the paper discharging unit 14
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH