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HP LASERJET ENTERPRISE M775dn - Page 187

HP LASERJET ENTERPRISE M775dn
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Scanner tests
This section lists the sensors available in the Scanner Tests.
Use the scanner tests
The Scanner Tests screen shows the sensor name, sensor state (active or inactive), and the number of
times the sensor has been toggled (activated).
1. From the Home screen on the product control panel, scroll to and touch the Administration button.
2. Open the following menus:
Troubleshooting
Diagnostic Tests
Scanner Tests
Sensors
3. Touch the sensor name on the Scanner Tests screen to display a sensor location graphic on the
control-panel display.
4. Activate the desired sensor, and then check the control-panel display to verify the sensor state
(active or inactive).
The State virtual LED next to the sensor number and sensor name illuminates green when the
sensor is active.
The Toggle virtual LED next to the sensor number and sensor name illuminates green after the
sensor is activated and increments by one each time the sensor is interrupted (activated or
deactivated).
For example, opening the flatbed cover increments the Flatbed cover Toggle item count two
times—once when the door is opened, and once when the door is closed.
5. Touch the Reset Sensors button to reset the Toggle count item.
-or-
Touch the Cancel button to exit the Scanner Tests screen, and then touch the Cancel button again
to return to the Diagnostic Tests menu.
Scanner tests sensors
ADF paper present
ADF (length) short
ADF (length) long
ADF slider 1
ADF slider 2
ADF slider 3
ENWW
Tools for troubleshooting
155

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