Invention Grant
US07937017B2 Image forming apparatus 有权
图像形成装置

Image forming apparatus
Abstract:
The belt cleaning unit receives a biasing force, receives a rotating force of an output gear connected to an input gear, and further receives a reaction force from a cleaning roller rotationally driven to be opposed to a transfer belt while in contact with it during a cleaning operation, thus the belt cleaning unit is pressed against a front wall of a front side support member.
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