{HEAD ~ Two pairs} of {TAIL ~ feed rollers} are provided, one at each side edge of the sheet, each pair defining a nip associated respectively with one of the opposite side edge portions of the sheet 
of
{ HEAD ~ Two pairs } of { TAIL ~ feed rollers } are provided , one at each side edge of the sheet , each pair defining a nip associated respectively with one of the opposite side edge portions of the sheet
HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH