The system 13 wherein {TAIL ~ the printhead defect model} is provided tot {HEAD ~ additional scanning entities} 
The system 13 wherein { TAIL ~ the printhead defect model } is provided tot { HEAD ~ additional scanning entities }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD