| 摘要 |
An image forming apparatus has an image forming unit including an image bearing member, an intermediary transfer member onto which an image formed on the image bearing member is transferred, the intermediary transfer member being located at an upper portion of the image forming unit, a housing for supporting and accommodating the image forming unit and the intermediary transfer member, the housing being drawable from the image forming apparatus with the image forming unit and the intermediary transfer member supported thereby, a supporting portion for supporting the intermediary transfer member for rotation relative to the housing, and a mounting and demounting portion, provided in the housing, for permitting the image forming unit to be mounted and demounted relative thereto. The mounting and dismounting of the image forming unit is enabled by rotating the intermediary transfer member, after the housing is pulled out of the image forming apparatus.
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