Image forming apparatus for determining defects of light-emitting element array chips
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United States of America Patent
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Dec 19, 2017
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app pub date -
Apr 8, 2015
filing date -
Jul 7, 2014
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Abstract
An image forming apparatus includes a plurality of light-emitting element array chips including a light-emitting element array and a transfer element array, and a control driver applying a signal to the plurality of light-emitting element array chips. The control driver includes a check terminal that measures signals output from the plurality of light-emitting element array chips, and the control driver determines whether any of the plurality of light-emitting element array chips are defective by analyzing the signals measured at the check terminal.
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