The distributing processor spools the jobs in {TAIL ~ a print spooler} and then performs {HEAD ~ a software raster image processing operation} on the print jobs 
The distributing processor spools the jobs in { TAIL ~ a print spooler } and then performs { HEAD ~ a software raster image processing operation } on the print jobs
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH