In accordance with {TAIL ~ the invention} a quaternary ammonium material antistatic agent is added to {HEAD ~ the rubber formulation} of such a developer roller 
In accordance with { TAIL ~ the invention } a quaternary ammonium material antistatic agent is added to { HEAD ~ the rubber formulation } of such a developer roller
OTH OTH OTH 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 OTH OTH