A process unit which can be removably mounted in a main assembly of an electrostatographic copying machine. The unit comprises a housing enclosing an imaging member and, optionally, other processing means such as a development device, a cleaner, and a charge corotron. The transfer corotron for transferring...http://www.google.fr/patents/US4806967?utm_source=gb-gplus-shareBrevet US4806967 - Electrostatographic reproducing machine and process unit therefor
Electrostatographic reproducing machine and process unit therefor
