Process Control and MUSIC
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Charge/Development Bias Control and Vtref Compensation
Charge/Development bias control and Vtref Compensation is done using the following procedure. Its operating
time varies depending on the machine’s line speed.
Adjusting the ID sensor Vsg
This step adjusts ID sensor’s LED’s light intensity so that Vsg, which is the ID sensor output when monitoring
the bare surface of the ITB, becomes within 4.0±0.5V. When Vsg does not reach the target value three times, the
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