Data is transmitted to the printer under {HEAD ~ control} of {TAIL ~ the microprocessor} 30 through a dual 4 bit latch 62 and the buffers 64,66 
of
Data is transmitted to the printer under { HEAD ~ control } of { TAIL ~ the microprocessor } 30 through a dual 4 bit latch 62 and the buffers 64,66
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH