How do I check for firmware updates on the HP Color LaserJet MFP M277?
From the Home screen on the printer control panel, touch the Setup button, scroll to and open the Service menu, then select LaserJet Update, and select Check for Updates Now. Additional support resources including software updates can also be found at www.hp.com/support/colorljMFPM277. (Page 11)
From the official HP Color Laserjet Mfp M277 manual, page 11
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