Process for obtaining very high transfer efficiency from intermediate to paper
 Method and apparatus wherein very efficient transfer of low toner masses from an intermediate image receiving member without degradation of high toner mass transfer is effected by using a DC pretransfer corotron treatment of the toner on the intermediate followed by biased roll transfer to plain paper. 
Xerox Corporation
G G
G03G G03G
inventional inventional
John S. Frank J.
Berkes Bonsignore