| 摘要 |
An image forming apparatus includes an image bearing member; a belt unit which is rotatable in contact with the image bearing member and which is capable of being drawn out of a main assembly of the image forming apparatus; a cam member for switching a position of the belt member relative to the image bearing member; a motor for rotating the cam member; a controller for controlling the motor to contact and space the belt member relative to the image bearing member; a lever movable between a first position in which the belt member is fixed to the main assembly of the image forming apparatus and a second position in which the belt member is capable of being drawn out of the main assembly of the image forming apparatus; and a spacing mechanism for spacing the belt member from the image bearing member by converting movement of the lever from the first position to the second position to a rotation of the cam member, when the belt member is contacted to the image bearing member.
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