| 摘要 |
A belt clutch apparatus for an image forming apparatus is is provided and includes a belt that rotates in contact with at least one unit, at least one movable roller for supporting the rotation of the belt, and a variable unit for changing position of the movable roller in order for the belt to have a first running path in contact with the unit and a second running path separated from the unit. Moreover, the belt can be selectively positioned in contact with a predetermined unit or separated therefrom while maintaining belt tension. Therefore, it becomes possible to protect the belt from unnecessary abrasion.
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