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