Image forming apparatus
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United States of America Patent
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Aug 5, 2014
Grant Date -
Sep 27, 2012
app pub date -
Jun 6, 2012
filing date -
Jan 30, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A loop of a transferring material is formed at a position between a secondary transfer nip portion and a fixing nip portion such that a loop amount of the loop of the transferring material, which is formed at the position between the secondary transfer nip portion and the fixing nip portion when a mono-color mode is executed, is larger than a loop amount of the loop of the transferring material, which is formed at the position between the secondary transfer nip portion and the fixing nip portion when a full-color mode is executed. In the mono-color mode, image formation is executed such that primary transfer rollers are separated from an intermediate transfer belt. In the full-color mode, image formation is executed by photosensitive drums.
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Cited Art Landscape
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