| 摘要 |
An image forming apparatus includes an arm member. The arm member includes a cartridge abutment surface configured to abut the cartridge when the cartridge moves from a state in which the cartridge is at the attached position to a state in which the cartridge is detached from the main body, an opening and closing member abutment surface configured to abut the opening and closing member when the cartridge moves from the state in which the cartridge is at the attached position to the state in which the cartridge is detached from the main body to press the cartridge abutment surface, the opening and closing member abutment surface being substantially parallel to the cartridge abutment surface, and a force transmission portion extending in a direction normal to the cartridge abutment surface to linearly connect between the cartridge abutment surface and the opening and closing member abutment surface.
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