Theory of Operation Ver. 1.0 Aug. 2005
5.3
Paper detection
• The paper detection sensor detects any sheet of paper that is fed into the tray, causing
the ADF LED to light up green steadily to inform the user that a sheet of paper has been
fed into the tray.
• As the paper stacks up and eventually deactivates the Paper Full Detecting Sensor, at
which time a paper full condition is detected.
Paper Full Detection Sensor
Paper Detection Sensor
5. Operations
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