Cartridge Assembly of Image Forming Device

A cartridge assembly detachably mounted on a main casing of an image forming device, the cartridge assembly comprising:

• a first cartridge having a first handle;
• a second cartridge detachably mounted on the first cartridge and having a second handle, the first handle and the second handle being configured to provide a relative position capable of realizing simultaneous access to the first handle and the second handle in case of an assembled state between the second cartridge and the first cartridge for integral attachment to or detachment from the main casing;
• and,
• a lock member having a lock section and an operation section, the lock section being movable between a lock position to prohibit separation of the second cartridge from the first cartridge and an unlock position to permit separation of the second cartridge from the first cartridge, and the lock section being maintained in the lock position in the assembled state of the second cartridge to the first cartridge, the operation section being configured to move the lock section between the lock position and the unlock position, the first handle and the operation section being configured to provide a relative position capable of realizing simultaneous access to the first handle and the operation section to move the lock section from the lock position to the unlock position for detachment of the second cartridge from the first cartridge.