Image forming apparatus
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United States of America Patent
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Nov 26, 2019
Grant Date -
May 31, 2018
app pub date -
Nov 6, 2017
filing date -
Nov 30, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus includes the following. An upstream second conveying roller and a downstream second conveying roller form a loop on the long sheet. A deviation amount detector detects a deviation amount of the long sheet. A loop amount detector detects a loop amount in two positions in a width direction. A speed controller controls a rotating speed of the upstream second conveying roller and the downstream second conveying roller based on a deviation amount and a difference of loop amounts in two positions. Each of the upstream second conveying roller and the downstream second conveying roller includes a near roller and a far roller. The speed controller controls the rotating speed of the near roller and the far roller based on the deviation amount and the difference of the loop amounts in the two positions.
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