A processor selects {HEAD ~ pages} from {TAIL ~ the page buffer} and outputs them to select ones of a plurality of printers in a predetermined order 
from
A processor selects { HEAD ~ pages } from { TAIL ~ the page buffer } and outputs them to select ones of a plurality of printers in a predetermined order
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH