摘要 |
An electrophotographic image forming apparatus which allows a locking operation to be easily performed even when a lock mechanism for a developing cartridge is provided at a position hard of access for a user. The electrophotographic image forming apparatus includes a cartridge door opening and closing an opening portion for allowing mounting and detachment of the developing cartridge, a lock member which locks the developing cartridge mounted to a mounting portion so that the developing cartridge may not be detached from the mounting portion and which is rotatable to release the lock, and a link member which abuts the lock member and which can rotate to effect switching between the lock and lock releasing of the lock member, with an end portion of the link member being situated in the vicinity of the opening portion.
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