Sensor Tests
This test
verifies
the status of the scanner sensors.
1 Enter the Diagnostics menu, and then navigate to:
Scanner Diagnostics > Sensor Test
2 Select a sensor, and then press .
3 Find, and then manually toggle the sensor.
Notes:
• The sensor status on the screen toggles between 1 and 0 when the sensor is properly working.
• If a sensor test fails, the test failure may not indicate a failed sensor. Further troubleshooting may be
required. Check the boards and cables for possible issues.
List of sensor tests
Sensor (FB CCD home)
Sensor (ADF closed)
Sensor (ADF media present)
Sensor (ADF 1st scan)
Sensor (ADF top door interlock)
Feed Test
This test allows for a continuous feed from the ADF or flatbed.
1 Enter the Diagnostics menu, and then navigate to:
Scanner Diagnostics > Feed Test
2 Select a paper size.
3 From the Feed Test section, press .
Scanner Calibration Reset
Before starting the test, make sure that the scanner glass and scanner glass pad are clean. For more information,
see
“Cleaning the scanner” on page 276.
1 Enter the Diagnostics menu, and then select Scanner Diagnostics.
2 From the Sensor Calibration Test section, press .
To verify the result, do the following:
1 Load the ADF with a document containing light and dark content.
2 Print on both sides of the document.
3400-48x
Service menus
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