The user enables {HEAD ~ the printing initiation instruction} on {TAIL ~ the status information} to be implemented by the switch on the printer  
The user enables { HEAD ~ the printing initiation instruction } on { TAIL ~ the status information } to be implemented by the switch on the printer
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH