Epson AcuLaser CX-11N/AcuLaser CX-11NF Field Repair Guide 9/9/05
Printer Component, Software Item, LCD Display, Printer Button Page 34.
ADF Sensors
ADF Cover Open Sensor (PPL Ref # 14-02-11)
Detects whether the ADF Cover is opened or closed. The sensor turns ON when the ADF Cover is opened causing
the ADF Motor to stop and the clutch to turn off. If the sensor is defective, replace the entire ADF Assembly (PPL
Ref # 13-01-23)
Note: This is a Magnet Sensor. This type of sensor detects a magnetic field of a specific polarity. To
toggle this sensor, move a magnet close to the sensor then remove the magnet. If there is no
change in the sensor’s output, change the polarity of the magnet and retest.
AS Sensor (PPL Ref # 17-04-09)
The sensor turns ON when it detects the leading edge of the document, and turns OFF when it detects the trailing
edge of the document. Scanning operation for the next document is started if the DOC Sensor is ON when the AS
Sensor becomes OFF. If the sensor is defective, replace the entire ADF Assembly (PPL Ref # 13-01-23)
Doc Sensor (PPL Ref # 17-04-12)
Detects whether a document is loaded onto the document tray or not. The document should be loaded with its lead-
ing edge contacting the guide for it, otherwise the sensor cannot detect the document. If the sensor is defective,
replace the entire ADF Assembly (PPL Ref # 13-01-23)
RS Sensor (PPL Ref # 17-04-09)
Detects whether a document is on the Turning Roller or not. Document scanning is started after the document’s
leading edge is detected by the RS Sensor. If the sensor is defective, replace the entire ADF Assembly (PPL Ref #
13-01-23)
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