| 摘要 |
An image forming apparatus is provided. The image forming apparatus includes: a main body; a tandem type photosensitive unit, integrally retaining a plurality of photosensitive drums in a parallelly arranged state, mounted in the main body to be movable along the direction of the arrangement of the photosensitive drums; a developer cartridge provided correspondingly to each photosensitive drum, retaining a developing roller for feeding a developer to the corresponding photosensitive drum and detachably mounted on the tandem type photosensitive unit; a translation member provided in the main body to be linearly movable in the direction of the arrangement; and a link member provided correspondingly to each developer cartridge and displaced to a pressing position where a first end portion thereof is opposed to a prescribed portion of each developer cartridge while a second end portion opposite to the first end portion is pressed by the translation member following linear movement of the translation member so that the first end portion presses the prescribed portion in a direction for separating the developing roller from the photosensitive drum and a releasing position where the translation member is released from pressing the second end portion so that the first end portion is released from pressing the prescribed portion, while each developer cartridge is mounted on the tandem type photosensitive unit.
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