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Transfer apparatus and image forming apparatus including the same

Image Number 10 for United States Patent #8121522.

A transfer apparatus of the invention includes a primary transfer unit, and a secondary transfer unit that includes a transfer roller having a bearing and being capable of contacting with and separating from the primary transfer unit, the primary transfer unit includes a guide member receiving the bearing at a position opposite to the bearing, and the guide member has a protrusion on a surface with which the bearing contacts when the transfer roller contacts with and separates from the primary transfer unit.

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