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