HP LaserJet Pro 200 color MFP M276nw - Manual (Page 211)

Perform a fax diagnostic test
From the product control panel, you can run a diagnostic test that provides information about the
product fax settings.
1. From the Home screen, touch the Setup button.
2. Open the following menus
● System Setup
● Self Diagnostics
3. Touch the Run Fax Test button to start the test. The product prints a test page that shows test results.
ENWW Solve fax quality problems 195