Lexmark 4064-410 MS823n
Service menus. Diagnostics menu. 4. Sensor tests
For non-touch-screen printer models, press [OK] to navigate through the settings.
- Enter the Diagnostics menu, and then touch Printer diagnostics & adjustments.
- From the Sensor tests section, touch Start. A dialog listing the sensor tests appears.
- 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.
- For the fuser exit sensor actuator, toggle it toward the rear door.
List of sensor tests
- MPF media present
- Media out (tray 1)
- Pick roller index (tray 1)
- Pick (tray 1)
- Tray 1 pass‑through
- Input
- Narrow media
- Fuser exit
- Duplex path
- Duplex interlock
- Output bin full
- Front door interlock
- Rear door interlock
- Media size (tray [x]) switch [x]