CARTRIDGE AND ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE, IN WHICH CARTRIDGE IS USED Russian patent published in 2020 - IPC G03G21/00 

FIELD: image forming devices.

SUBSTANCE: present invention relates to cartridge and electrophotographic image forming apparatus in which cartridge is mounted with possibility of disconnection. Disclosed electrophotographic photosensitive drum assembly comprises: a cylinder having a photosensitive layer on its outer periphery and an axis L1, drum flange provided at one end of the cylinder, wherein the drum flange is provided with a recess formed therein such that the axis L1 passes therethrough, detachable element detachably connected to drum flange and covering recess parts if viewed in direction of axis L1, and detachable element is provided inside drum flange in direction of axis L1.

EFFECT: technical result is providing a developing cartridge which can be removably mounted in a main unit of the electrophotographic image forming device by a user, allowing user to maintain image processing device (without relying on service personnel), thereby ensures significant improvement in device electrophotographic imaging with respect to convenience and ease of use, in particular with regard to its content and maintenance.

6 cl, 63 dwg