Fitzpatrick, Cella, Harper & Scinto
Process cartridge and image forming apparatus
The present invention provides a process cartridge mountable to an image forming apparatus, comprising an image bearing member, at least one process means acting on the image bearing member, and a detection member for detecting the presence/absence of developer supplied to the image bearing member on the basis of electrostatic capacity.
Canon Kabushiki Kaisha
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Makoto Toshiyuki Atsushi Masahiko
Takeuchi Karakama Numagami Yashiro