IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
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United States of America Patent
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Issued Date -
May 11, 2017
app pub date -
Nov 10, 2015
filing date -
Nov 10, 2015
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Abstract
A transfer roller is arranged at the inside of a first intermediate transfer belt. The transfer roller faces the first transfer position. A transfer bias voltage having a charged polarity opposite to that of the first toner is applied to the transfer roller. The transfer roller transfers a first toner image to a first surface of a sheet. The transfer roller further transfers a second toner image to a second surface at the opposite side to the first surface on the sheet. A fixing device heats and fixes the first toner image and the second toner image that are transferred to the sheet on a sheet simultaneously.
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