A drive roller is rotatably disposed in {TAIL ~ the bore} of {HEAD ~ the developing sleeve} and extends in the axial direction of the sleeve 
A drive roller is rotatably disposed in { TAIL ~ the bore } of { HEAD ~ the developing sleeve } and extends in the axial direction of the sleeve
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH