| 摘要 |
A transfer unit transfers an image formed on an image bearing body (a photoconductive drum or an intermediate transfer belt) onto a medium by the electrostatic force. The transfer unit includes a transfer belt and a transfer roller. The transfer roller extends parallel to the image bearing body and transfers a toner image onto a medium. The transfer roller is pressed toward the image bearing body under a pressing force in a range of 28-112 gf/cm. The transport belt is held between the transfer roller and the image bearing body in a sandwiched relation to define a transfer point between the transport belt and the image bearing body. The transport belt transports the medium through the transfer point.
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