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