| 摘要 |
PROBLEM TO BE SOLVED: To obtain a small sized image forming device with a comparatively small number of parts, that is simple and inexpensive by carrying out opening and closing of a shutter for an opening for transferring a process cartridge with a lever of a device main body, a relay member of the process cartridge and a drive gear of the shutter part. SOLUTION: In this image forming device, a lever 49 is also moved with a rotational support point as the center when a right side cover for the main body is moved to a closing direction from an opened state and a tip of the lever is engaged with the cam 48b of the relay member 48. Furthermore, rotation of the relay member 48 is started by having the cam 48b pushed by the lever 49 when the movement is further advanced. The rotation of the shutter 45 in the direction to have the opening part opened is started with the supporting point 46 as the center with engagement of the driving gear 47 when rotation of an idler gear 48a is also started along with the above movement. Then, when the right side cover of the main body is completely closed, the opening part is completely released by the shutter 45. On the other hand, when the right side cover for the main body is moved in the direction to be opened, the engagement of the lever 49 and the cam 48b is released and the opening part is covered by the shutter 45 by weight of the shutter 45, etc.
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