Oki Data CONFIDENTIAL
42930511TH Rev. 2 165 /
5.4 Paper Thickness Detection/Sensitivity Correction
Please refer to okiDoc #3546 on the BPX for instructions on how to calibrate this sensor. Note: A valid BP
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Overview
The sensitivity of the micro-displacement sensor used as the media thickness detector are not uniform
in detection sensitivity. To learn the sensitivity of that unit’s sensor beforehand, there is a need to pass
a media source with a priorly known thickness through the detector. The sensitivity shall then be
detected based on the output value of the sensor.
Adjustments are necessary when replacing the Paper Thickness Sensor, Resist Roller and PU PCB.
Prepare four media sources with a thickness already measured with a micrometer (MDQ-30M,
MDQ-30). Then pass those sheets through the MP Tray. The media thickness sensitivity
correction value is automatically set with the 3 sheets. Then the media thickness detection value
is tested with the 4th sheet.
Media Used : Transparency Sheet (42527801)
Paper Thickness Detection Error : ±10µm or less
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