Patent Number: 6,311,026

Title: Process cartridge and image forming apparatus including means for detecting mounting of the process cartridge to main body of image forming apparatus, and process cartridge and developer cartridge including positioning portion

Abstract: A process cartridge detachably mountable to a main body of an image forming apparatus includes an electrophotographic photosensitive drum, a process device acting on the electrophotographic photosensitive drum, and a cartridge side positioning portion adapted to contact and be positioned by the positioning portion of the main body of the image forming apparatus when the process cartridge is mounted to the main body of the image forming apparatus. The cartridge has on or near the cartridge side positioning portion a detecting action portion for operating a cartridge detecting device for detecting the mounting of the process cartridge provided in the main body of the image forming apparatus when the process cartridge has been mounted at a mounting position in the main body of the image forming apparatus.

Inventors: Higeta; Akira (Funabashi, JP), Kawaguchi; Hideshi (Toride, JP)

Assignee: Canon Kabushiki Kaisha

International Classification: G03G 21/18 (20060101); G03G 015/00 (); G03G 021/16 ()

Expiration Date: 10/30/2018