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KX-MB2061CXB/KX-MB2061CX2/KX-MB2062CXB
6.14.5. Read Position Sensor
This sensor detects the front edge of the document.
When the front edge of the document is detected, the shelter plate closes the sensor light.
So the photo-transistor turns off and the input signal of IC300-AD22pin becomes high level.
When the front edge of the document is not detected, the shelter plate lets the sensor light pass.
So the photo-transistor turns on and the input signal of IC300-AD22pin becomes low level.
Photo-transistor
A document exists
OFF
No document
ON
Signal (IC300-AD22pin)
High level
Low level
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Troubleshooting
