{TAIL ~ An electric field} for development is formed in a developing region between {HEAD ~ the photoconductive drum} and the sleeve 
{ TAIL ~ An electric field } for development is formed in a developing region between { HEAD ~ the photoconductive drum } and the sleeve
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH