Lexmark CX310 Service Manual page 213

The following sensors can be tested:
•
ADF document set – Paper Present
•
FB cover open (flatbed top cover)
• Home sensor (carriage home position)
•
ADF interval sensor
ADF stage skew (paper skew) ‑ available on duplex scanners only
•
• ADF cover open (ADF top cover)
•
Scan 1st sensor (paper feed sensor)
•
Paper FB long
To test a flatbed or ADF sensor, perform the following steps:
1
Navigate to Scanner Tests > Sensor Tests > <sensor to test>. The following is displayed:
2
Select the sensor to be tested.
3
Actuate the sensor you selected.
The screen will toggle between 0 and 1 if the sensor is properly functioning.
4
Select Exit to leave the test.
To test the Paper FB long test, place a sheet of legal paper on the flatbed and close the cover. If the sensor is working
properly, the indicator will change from 0 to 1.
To test the Home sensor, perform the following steps:
1
Exit the sensor test.
2
Open the flatbed cover.
3
Use the carriage motor test to move the carriage out of the home position.
4
Close the flatbed cover.
5
Enter the sensor test. If the home sensor is working properly, then a 1 will display instead of a 0.
Service menus
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