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