ELECTROPHOTOGRAPHIC IMAGE FORMING DEVICE, PROCESS CARTRIDGE AND LOADING FRAME

摘要

PROBLEM TO BE SOLVED: To protect a photoreceptor drum in an image forming device where a loading frame loaded with a process cartridge is inserted to and extracted from an image forming device main body. SOLUTION: In the process cartridge, a photoreceptor shutter 52 by which a window 51 for exposure of the process cartridge 10 that is loaded on the loading frame 55 is opened and closed is constituted to have a shutter member 52a connected to a cartridge frame body 10a by parallel links 53F and 53R, and opening and closing is carried out by making use of a movement to insert and extract the loading frame 55 to and from the device main body 22.