HP Color LaserJet Pro MFP M177fw

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.

1. Press the Setup button.
2. Press the left arrow button and the Cancel button at the same time. The 2ndary service menu is displayed.
3. Open the LED test menu.
4. 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.

1. Press the Setup button.
2. Press the left arrow button and the Cancel button at the same time. The 2ndary service menu is displayed.
3. Open the Display test menu.
4. 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.

1. Press the Setup button.
2. Press the left arrow button and the Cancel button at the same time. The 2ndary service menu is displayed.
3. Open the Button test menu.
4. Press the indicated button to continue to the next step in the test.