Patent ID: 7729637

Claim:
An image forming apparatus, comprising: a mainframe including a first guide portion and a second guide portion, each of which is formed horizontally across an inside of the mainframe, and the second guide portion including a horizontal portion and a downwardly curved portion at an end; and a process cartridge loadable in and unloadable from the mainframe, the process cartridge comprising: a cartridge frame configured to contain a developer; a photosensitive body; and a developing roller disposed in the cartridge frame, the developing roller being configured to face the photosensitive body; wherein: the photosensitive body and the cartridge frame are connected such that positions of the photosensitive body and the cartridge frame are movable relative to one another while the process cartridge is being loaded in and unloaded from the mainframe; the cartridge frame is guided by and stops at the end of the first guide portion while the process cartridge is being loaded in the mainframe, the photosensitive body is guided by the horizontal portion and the downwardly curved portion of the second guide portion and stops at the end of the downwardly curved portion of the second guide portion while the process cartridge is loaded in the mainframe, the photosensitive body is horizontally in line with an exposure unit of the mainframe when the process cartridge is loaded in the mainframe and the photosensitive body is positioned at the end of the downwardly curved portion of the second guide portion; and the photosensitive body is not horizontally in line with the exposure unit while the process cartridge is being unloaded from the mainframe and the photosensitive body is guided by the horizontal portion of the second guide portion.