How do I set the fax date and time on the HP LaserJet Pro MFP M428/M429?
From the Home screen on the printer control panel, swipe the tab at the top of the screen downward to open the Dashboard, then touch the Setup button. Touch Preferences, then touch Date/Time to set up the fax date and time. (Page 5)
From the official HP Laserjet Pro Mfp M428 M429 manual, page 5
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