HP Color LaserJet Pro MFP M176n
Troubleshooting. Touchscreen control-panel tests
The product includes diagnostic tests for the touchscreen control panel.
Test the touchscreen control-panel LEDs
Use this test to verify that all of the LEDs on the touchscreen control panel function correctly.
- Press the Setup button.
- Press the left arrow button and the Cancel button at the same time. The 2ndary service menu is displayed.
- Open the LED test menu.
- Press OK to continue to the next LED.
Test the touchscreen control-panel display
Use this test to verify the touchscreen control-panel display. The screen will show each of the following colors in sequence: white, black, red, green, and blue.
- Press the Setup button.
- Press the left arrow button and the Cancel button at the same time. The 2ndary service menu is displayed.
- Open the Display test menu.
- Press OK to continue to the next color.
Test the touchscreen control-panel buttons
Use this test to verify that all of the buttons on the touchscreen control panel function correctly.
- Press the Setup button.
- Press the left arrow button and the Cancel button at the same time. The 2ndary service menu is displayed.
- Open the Button test menu.
- Press the indicated button to continue to the next step in the test.