TARGET RECORDING MEDIUM FEEDING APPARATUS, IMAGE FORMING APPARATUS AND TARGET RECORDING MEDIUM CUTTING CONTROL METHOD
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United States of America Patent
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Issued Date -
Mar 30, 2017
app pub date -
Aug 19, 2016
filing date -
Sep 24, 2015
priority date (Note) -
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Abstract
A paper conveyance roller pair on the lower flow side of an auto cutter which cuts a target recording medium (long paper) at predetermined timing during a printing operation includes a powder brake mechanism which brakes the paper conveyance roller pair by changing the degree of agglomeration of magnetic powder with a magnetic force generated by a coil based on an excitation current value so as to continuously vary a transmission torque. When the target recording medium is cut, a control section varies an excitation current of the power brake mechanism to increase a load torque to be applied to the paper conveyance roller pair, and applies tension larger than usual to the target recording medium pinched by the paper conveyance roller pair.
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